diff --git a/testsuites/sptests/sp01/init.c b/testsuites/sptests/sp01/init.c
index 26d715b0ba..aad58338eb 100644
--- a/testsuites/sptests/sp01/init.c
+++ b/testsuites/sptests/sp01/init.c
@@ -55,6 +55,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   rtems_status_code status;
   rtems_id          id;
diff --git a/testsuites/sptests/sp02/init.c b/testsuites/sptests/sp02/init.c
index 7a3e446a4d..54bcee3ace 100644
--- a/testsuites/sptests/sp02/init.c
+++ b/testsuites/sptests/sp02/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          preempt_task_id;
 
diff --git a/testsuites/sptests/sp02/preempt.c b/testsuites/sptests/sp02/preempt.c
index 182f2d044e..a2f32ead5a 100644
--- a/testsuites/sptests/sp02/preempt.c
+++ b/testsuites/sptests/sp02/preempt.c
@@ -36,6 +36,8 @@ rtems_task Preempt_task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   puts( "PREEMPT - rtems_task_delete - deleting self" );
   rtems_task_exit();
 }
diff --git a/testsuites/sptests/sp02/task1.c b/testsuites/sptests/sp02/task1.c
index 6b6b73d500..7179478f80 100644
--- a/testsuites/sptests/sp02/task1.c
+++ b/testsuites/sptests/sp02/task1.c
@@ -36,6 +36,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tid2;
   rtems_id          tid3;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp02/task2.c b/testsuites/sptests/sp02/task2.c
index e3da167955..d657af7194 100644
--- a/testsuites/sptests/sp02/task2.c
+++ b/testsuites/sptests/sp02/task2.c
@@ -36,6 +36,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA2 - rtems_task_wake_after - sleep 1 minute" );
diff --git a/testsuites/sptests/sp02/task3.c b/testsuites/sptests/sp02/task3.c
index e6c8f0a1c2..674e5c5a03 100644
--- a/testsuites/sptests/sp02/task3.c
+++ b/testsuites/sptests/sp02/task3.c
@@ -36,6 +36,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA3 - rtems_task_wake_after - sleep 5 seconds" );
diff --git a/testsuites/sptests/sp03/init.c b/testsuites/sptests/sp03/init.c
index cfb3ce20b8..0ddc0bda92 100644
--- a/testsuites/sptests/sp03/init.c
+++ b/testsuites/sptests/sp03/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          id;
 
diff --git a/testsuites/sptests/sp03/task1.c b/testsuites/sptests/sp03/task1.c
index de81850e0c..1160da77ec 100644
--- a/testsuites/sptests/sp03/task1.c
+++ b/testsuites/sptests/sp03/task1.c
@@ -36,6 +36,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_time_of_day time;
   rtems_name        name;
diff --git a/testsuites/sptests/sp03/task2.c b/testsuites/sptests/sp03/task2.c
index 24ac739bc7..9b01977cef 100644
--- a/testsuites/sptests/sp03/task2.c
+++ b/testsuites/sptests/sp03/task2.c
@@ -36,6 +36,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_time_of_day time;
   rtems_name        name;
diff --git a/testsuites/sptests/sp04/init.c b/testsuites/sptests/sp04/init.c
index fb1bb323ed..e873aaae5c 100644
--- a/testsuites/sptests/sp04/init.c
+++ b/testsuites/sptests/sp04/init.c
@@ -62,6 +62,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_time_of_day time;
 
diff --git a/testsuites/sptests/sp04/task1.c b/testsuites/sptests/sp04/task1.c
index f55b44e8ca..5c32bb0b21 100644
--- a/testsuites/sptests/sp04/task1.c
+++ b/testsuites/sptests/sp04/task1.c
@@ -61,6 +61,8 @@ static rtems_id low_task_id;
 
 static void high_task( rtems_task_argument arg )
 {
+  (void) arg;
+
   rtems_status_code sc;
 
   rtems_test_assert( test_no_preempt_step == 2 );
@@ -75,6 +77,8 @@ static void high_task( rtems_task_argument arg )
 
 static void low_task( rtems_task_argument arg )
 {
+  (void) arg;
+
   rtems_test_assert( test_no_preempt_step == 1 );
   test_no_preempt_step = 2;
 
@@ -84,6 +88,9 @@ static void low_task( rtems_task_argument arg )
 
 static void no_preempt_timer( rtems_id id, void *arg )
 {
+  (void) id;
+  (void) arg;
+
   rtems_status_code sc;
 
   rtems_test_assert( test_no_preempt_step == 0 );
@@ -154,6 +161,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t    seconds;
   uint32_t    old_seconds;
   rtems_mode        previous_mode;
diff --git a/testsuites/sptests/sp04/task2.c b/testsuites/sptests/sp04/task2.c
index 35d95466f4..c507394dcf 100644
--- a/testsuites/sptests/sp04/task2.c
+++ b/testsuites/sptests/sp04/task2.c
@@ -45,5 +45,7 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   while( FOREVER );
 }
diff --git a/testsuites/sptests/sp04/task3.c b/testsuites/sptests/sp04/task3.c
index ae40b14b66..ba5778932d 100644
--- a/testsuites/sptests/sp04/task3.c
+++ b/testsuites/sptests/sp04/task3.c
@@ -45,5 +45,7 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   while( FOREVER );
 }
diff --git a/testsuites/sptests/sp04/tswitch.c b/testsuites/sptests/sp04/tswitch.c
index 81100bdc1d..2a7732e76c 100644
--- a/testsuites/sptests/sp04/tswitch.c
+++ b/testsuites/sptests/sp04/tswitch.c
@@ -47,6 +47,8 @@ void Task_switch(
   rtems_tcb *heir
 )
 {
+  (void) unused;
+
   uint32_t    index;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp05/init.c b/testsuites/sptests/sp05/init.c
index 5a04d0c3bb..cfa0dfa758 100644
--- a/testsuites/sptests/sp05/init.c
+++ b/testsuites/sptests/sp05/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp05/task1.c b/testsuites/sptests/sp05/task1.c
index 29b10c5f64..2e0fa3f652 100644
--- a/testsuites/sptests/sp05/task1.c
+++ b/testsuites/sptests/sp05/task1.c
@@ -47,6 +47,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tid2;
   rtems_id          tid3;
   uint32_t    pass;
diff --git a/testsuites/sptests/sp05/task2.c b/testsuites/sptests/sp05/task2.c
index d4e7c16562..254d2963f2 100644
--- a/testsuites/sptests/sp05/task2.c
+++ b/testsuites/sptests/sp05/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA2 - rtems_task_suspend - suspend self" );
diff --git a/testsuites/sptests/sp05/task3.c b/testsuites/sptests/sp05/task3.c
index 7662b2afbb..342ab68d3a 100644
--- a/testsuites/sptests/sp05/task3.c
+++ b/testsuites/sptests/sp05/task3.c
@@ -45,6 +45,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA3 - rtems_task_suspend - suspend self" );
diff --git a/testsuites/sptests/sp06/init.c b/testsuites/sptests/sp06/init.c
index c88d9eb8c4..646a03ec13 100644
--- a/testsuites/sptests/sp06/init.c
+++ b/testsuites/sptests/sp06/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_task_priority previous_priority;
 
diff --git a/testsuites/sptests/sp06/task3.c b/testsuites/sptests/sp06/task3.c
index 0baa8d6236..409f098bb4 100644
--- a/testsuites/sptests/sp06/task3.c
+++ b/testsuites/sptests/sp06/task3.c
@@ -45,5 +45,7 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_task_exit();
 }
diff --git a/testsuites/sptests/sp07/init.c b/testsuites/sptests/sp07/init.c
index e55c0fa474..b6f444b55f 100644
--- a/testsuites/sptests/sp07/init.c
+++ b/testsuites/sptests/sp07/init.c
@@ -39,6 +39,8 @@ static void Task_harmless_extension_one(
   rtems_tcb *unused_one
 )
 {
+  (void) unused_one;
+
   /* Do nothing */
 }
 
@@ -47,6 +49,9 @@ static void Task_harmless_extension_two(
   rtems_tcb *unused_two
 )
 {
+  (void) unused_one;
+  (void) unused_two;
+
   /* Do nothing */
 }
 
@@ -55,6 +60,9 @@ static bool Task_harmless_extension_true_two(
   rtems_tcb *unused_two
 )
 {
+  (void) unused_one;
+  (void) unused_two;
+
   return true;
 }
 
@@ -84,6 +92,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          id;
 
diff --git a/testsuites/sptests/sp07/task1.c b/testsuites/sptests/sp07/task1.c
index 56e6c65d39..f03dd33162 100644
--- a/testsuites/sptests/sp07/task1.c
+++ b/testsuites/sptests/sp07/task1.c
@@ -36,6 +36,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_task_priority the_priority;
   rtems_task_priority previous_priority;
diff --git a/testsuites/sptests/sp07/task2.c b/testsuites/sptests/sp07/task2.c
index 74c8d9bdc4..81aa79d012 100644
--- a/testsuites/sptests/sp07/task2.c
+++ b/testsuites/sptests/sp07/task2.c
@@ -36,6 +36,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_task_priority the_priority;
   rtems_task_priority previous_priority;
diff --git a/testsuites/sptests/sp07/task3.c b/testsuites/sptests/sp07/task3.c
index 598af3c403..3233813e83 100644
--- a/testsuites/sptests/sp07/task3.c
+++ b/testsuites/sptests/sp07/task3.c
@@ -45,6 +45,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   while( FOREVER ) {
diff --git a/testsuites/sptests/sp07/task4.c b/testsuites/sptests/sp07/task4.c
index 6b354428e8..3020f355cb 100644
--- a/testsuites/sptests/sp07/task4.c
+++ b/testsuites/sptests/sp07/task4.c
@@ -46,6 +46,8 @@ rtems_task Task_4(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id id;
 
diff --git a/testsuites/sptests/sp07/tcreate.c b/testsuites/sptests/sp07/tcreate.c
index 0460358525..ee8f07b117 100644
--- a/testsuites/sptests/sp07/tcreate.c
+++ b/testsuites/sptests/sp07/tcreate.c
@@ -46,6 +46,8 @@ bool Task_create_extension(
   rtems_tcb *created_task
 )
 {
+  (void) unused;
+
   ssize_t task = task_number( created_task->Object.id );
 
   if (task > 0) {
diff --git a/testsuites/sptests/sp07/trestart.c b/testsuites/sptests/sp07/trestart.c
index 1f51fec274..f235520de3 100644
--- a/testsuites/sptests/sp07/trestart.c
+++ b/testsuites/sptests/sp07/trestart.c
@@ -46,6 +46,8 @@ void Task_restart_extension(
   rtems_tcb *restarted_task
 )
 {
+  (void) unused;
+
   ssize_t task = task_number( restarted_task->Object.id );
 
   if (task > 0) {
diff --git a/testsuites/sptests/sp07/tstart.c b/testsuites/sptests/sp07/tstart.c
index 6b0ef3ee57..6bedd377ee 100644
--- a/testsuites/sptests/sp07/tstart.c
+++ b/testsuites/sptests/sp07/tstart.c
@@ -46,6 +46,8 @@ void Task_start_extension(
   rtems_tcb *started_task
 )
 {
+  (void) unused;
+
   ssize_t task = task_number( started_task->Object.id );
 
   if (task > 0) {
diff --git a/testsuites/sptests/sp08/init.c b/testsuites/sptests/sp08/init.c
index 4717839a6e..508f7fc2f7 100644
--- a/testsuites/sptests/sp08/init.c
+++ b/testsuites/sptests/sp08/init.c
@@ -48,6 +48,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_mode        previous_mode;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp11/init.c b/testsuites/sptests/sp11/init.c
index 9c8e3eeb19..32d4d34ee1 100644
--- a/testsuites/sptests/sp11/init.c
+++ b/testsuites/sptests/sp11/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp11/task1.c b/testsuites/sptests/sp11/task1.c
index 720aab70cc..0aa4acb365 100644
--- a/testsuites/sptests/sp11/task1.c
+++ b/testsuites/sptests/sp11/task1.c
@@ -36,6 +36,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_event_set   eventout;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp11/task2.c b/testsuites/sptests/sp11/task2.c
index c2a05a9269..bbfb01aa99 100644
--- a/testsuites/sptests/sp11/task2.c
+++ b/testsuites/sptests/sp11/task2.c
@@ -36,6 +36,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_event_set   eventout;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp11/timer.c b/testsuites/sptests/sp11/timer.c
index 17fdea3a2a..1ab69f51c5 100644
--- a/testsuites/sptests/sp11/timer.c
+++ b/testsuites/sptests/sp11/timer.c
@@ -44,6 +44,9 @@ rtems_timer_service_routine TA1_send_18_to_self_5_seconds(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_18 );
@@ -55,6 +58,9 @@ rtems_timer_service_routine TA1_send_8_to_self_60_seconds(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_8 );
@@ -66,6 +72,9 @@ rtems_timer_service_routine TA1_send_9_to_self_60_seconds(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_9 );
@@ -77,6 +86,9 @@ rtems_timer_service_routine TA1_send_10_to_self(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_10 );
@@ -88,6 +100,9 @@ rtems_timer_service_routine TA1_send_1_to_self_every_second(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_1 );
@@ -99,6 +114,9 @@ rtems_timer_service_routine TA1_send_11_to_self(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 1 ], RTEMS_EVENT_11 );
@@ -110,6 +128,9 @@ rtems_timer_service_routine TA2_send_10_to_self(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_event_send( Task_id[ 2 ], RTEMS_EVENT_10 );
diff --git a/testsuites/sptests/sp12/init.c b/testsuites/sptests/sp12/init.c
index 5120a2303c..84d05b0a4e 100644
--- a/testsuites/sptests/sp12/init.c
+++ b/testsuites/sptests/sp12/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp12/task1.c b/testsuites/sptests/sp12/task1.c
index 60a31f3368..f830d2aa42 100644
--- a/testsuites/sptests/sp12/task1.c
+++ b/testsuites/sptests/sp12/task1.c
@@ -44,6 +44,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          smid;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp12/task2.c b/testsuites/sptests/sp12/task2.c
index 04e2e1dc11..06c29df6cc 100644
--- a/testsuites/sptests/sp12/task2.c
+++ b/testsuites/sptests/sp12/task2.c
@@ -46,6 +46,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_task_priority previous_priority;
 
diff --git a/testsuites/sptests/sp12/task3.c b/testsuites/sptests/sp12/task3.c
index 1e1c1fe163..4603a85945 100644
--- a/testsuites/sptests/sp12/task3.c
+++ b/testsuites/sptests/sp12/task3.c
@@ -45,6 +45,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA3 - rtems_semaphore_obtain - wait forever on SM2" );
diff --git a/testsuites/sptests/sp12/task4.c b/testsuites/sptests/sp12/task4.c
index cfaccbb4a1..f0ca086833 100644
--- a/testsuites/sptests/sp12/task4.c
+++ b/testsuites/sptests/sp12/task4.c
@@ -45,6 +45,8 @@ rtems_task Task_4(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA4 - rtems_semaphore_obtain - wait forever on SM1" );
diff --git a/testsuites/sptests/sp12/task5.c b/testsuites/sptests/sp12/task5.c
index 9f6411c8db..308f7820c6 100644
--- a/testsuites/sptests/sp12/task5.c
+++ b/testsuites/sptests/sp12/task5.c
@@ -46,6 +46,8 @@ rtems_task Task5(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA5 - rtems_semaphore_obtain - wait forever on SM1" );
diff --git a/testsuites/sptests/sp13/init.c b/testsuites/sptests/sp13/init.c
index 1dfb457955..023b11d64a 100644
--- a/testsuites/sptests/sp13/init.c
+++ b/testsuites/sptests/sp13/init.c
@@ -62,6 +62,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp13/task1.c b/testsuites/sptests/sp13/task1.c
index df98d24101..c704ed50d3 100644
--- a/testsuites/sptests/sp13/task1.c
+++ b/testsuites/sptests/sp13/task1.c
@@ -66,6 +66,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          qid;
   uint32_t          index;
   uint32_t          count;
diff --git a/testsuites/sptests/sp13/task2.c b/testsuites/sptests/sp13/task2.c
index 8020ec2d5c..f1579ffd5e 100644
--- a/testsuites/sptests/sp13/task2.c
+++ b/testsuites/sptests/sp13/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   long                buffer[ 4 ];
   size_t              size;
   rtems_task_priority previous_priority;
diff --git a/testsuites/sptests/sp13/task3.c b/testsuites/sptests/sp13/task3.c
index 827d91c6cd..73e1018d54 100644
--- a/testsuites/sptests/sp13/task3.c
+++ b/testsuites/sptests/sp13/task3.c
@@ -45,6 +45,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   long              buffer[ 4 ];
   size_t            size;
   uint32_t          count;
diff --git a/testsuites/sptests/sp14/init.c b/testsuites/sptests/sp14/init.c
index 78c8a3188f..7d50023136 100644
--- a/testsuites/sptests/sp14/init.c
+++ b/testsuites/sptests/sp14/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp14/task1.c b/testsuites/sptests/sp14/task1.c
index 5f4ec745b8..3d92a9e726 100644
--- a/testsuites/sptests/sp14/task1.c
+++ b/testsuites/sptests/sp14/task1.c
@@ -52,6 +52,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_mode        previous_mode;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp14/task2.c b/testsuites/sptests/sp14/task2.c
index 4ac8b62649..dbbd53bbe0 100644
--- a/testsuites/sptests/sp14/task2.c
+++ b/testsuites/sptests/sp14/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   status = rtems_task_wake_after(rtems_clock_get_ticks_per_second());
diff --git a/testsuites/sptests/sp15/init.c b/testsuites/sptests/sp15/init.c
index 799dc9ae6a..a59f9bbe56 100644
--- a/testsuites/sptests/sp15/init.c
+++ b/testsuites/sptests/sp15/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp15/task1.c b/testsuites/sptests/sp15/task1.c
index e411f311a2..f712b94a45 100644
--- a/testsuites/sptests/sp15/task1.c
+++ b/testsuites/sptests/sp15/task1.c
@@ -44,6 +44,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id           ptid_1;
   rtems_id           ptid_2;
   void              *buffer_address_1;
diff --git a/testsuites/sptests/sp16/init.c b/testsuites/sptests/sp16/init.c
index 92c18cb44a..ac9005ab5e 100644
--- a/testsuites/sptests/sp16/init.c
+++ b/testsuites/sptests/sp16/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp16/task1.c b/testsuites/sptests/sp16/task1.c
index 5b05319dc1..9d8fea666d 100644
--- a/testsuites/sptests/sp16/task1.c
+++ b/testsuites/sptests/sp16/task1.c
@@ -44,6 +44,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id           rnid;
   void              *segment_address_1;
   void              *segment_address_2;
diff --git a/testsuites/sptests/sp16/task2.c b/testsuites/sptests/sp16/task2.c
index 3b4c773cce..fb2a5ccb42 100644
--- a/testsuites/sptests/sp16/task2.c
+++ b/testsuites/sptests/sp16/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code    status;
   rtems_task_priority  previous_priority;
   void                *segment_address_1;
diff --git a/testsuites/sptests/sp16/task3.c b/testsuites/sptests/sp16/task3.c
index fdf66e92a5..3fa4c816c3 100644
--- a/testsuites/sptests/sp16/task3.c
+++ b/testsuites/sptests/sp16/task3.c
@@ -45,6 +45,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
   void              *segment_address_1;
   void              *segment_address_2;
diff --git a/testsuites/sptests/sp16/task4.c b/testsuites/sptests/sp16/task4.c
index 7f7ce799b5..be1ecf8dac 100644
--- a/testsuites/sptests/sp16/task4.c
+++ b/testsuites/sptests/sp16/task4.c
@@ -45,6 +45,8 @@ rtems_task Task_4(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
   void              *segment_address_1;
   void              *segment_address_2;
diff --git a/testsuites/sptests/sp16/task5.c b/testsuites/sptests/sp16/task5.c
index c67a1fa641..ab780de488 100644
--- a/testsuites/sptests/sp16/task5.c
+++ b/testsuites/sptests/sp16/task5.c
@@ -45,6 +45,8 @@ rtems_task Task5(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   void              *segment_address_1;
   void              *segment_address_2;
   rtems_status_code  status;
diff --git a/testsuites/sptests/sp17/asr.c b/testsuites/sptests/sp17/asr.c
index 94b0fa365c..48bc5521bd 100644
--- a/testsuites/sptests/sp17/asr.c
+++ b/testsuites/sptests/sp17/asr.c
@@ -45,6 +45,8 @@ rtems_asr Process_asr(
   rtems_signal_set signal_set
 )
 {
+  (void) signal_set;
+
   rtems_status_code status;
 
   status = rtems_task_resume( Task_id[ 2 ] );
diff --git a/testsuites/sptests/sp17/init.c b/testsuites/sptests/sp17/init.c
index bb4a3a353b..38e71d4231 100644
--- a/testsuites/sptests/sp17/init.c
+++ b/testsuites/sptests/sp17/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp17/task1.c b/testsuites/sptests/sp17/task1.c
index 7fcc9bf11b..2a04ddda47 100644
--- a/testsuites/sptests/sp17/task1.c
+++ b/testsuites/sptests/sp17/task1.c
@@ -48,6 +48,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA1 - rtems_signal_catch: initializing signal catcher" );
diff --git a/testsuites/sptests/sp17/task2.c b/testsuites/sptests/sp17/task2.c
index 2254842e09..74fbd49b83 100644
--- a/testsuites/sptests/sp17/task2.c
+++ b/testsuites/sptests/sp17/task2.c
@@ -48,6 +48,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   Task_2_preempted = FALSE;
diff --git a/testsuites/sptests/sp18/init.c b/testsuites/sptests/sp18/init.c
index e38e9d1738..3c9ae2a155 100644
--- a/testsuites/sptests/sp18/init.c
+++ b/testsuites/sptests/sp18/init.c
@@ -43,6 +43,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_id                task_id;
   rtems_status_code       sc;
   bool                    ok;
diff --git a/testsuites/sptests/sp19/fptask.c b/testsuites/sptests/sp19/fptask.c
index 79e7dbf760..635a2190ff 100644
--- a/testsuites/sptests/sp19/fptask.c
+++ b/testsuites/sptests/sp19/fptask.c
@@ -38,6 +38,8 @@ rtems_task FP_task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          tid;
   rtems_time_of_day time;
diff --git a/testsuites/sptests/sp19/init.c b/testsuites/sptests/sp19/init.c
index eb87a382a3..5aeeaff364 100644
--- a/testsuites/sptests/sp19/init.c
+++ b/testsuites/sptests/sp19/init.c
@@ -49,6 +49,8 @@ const char rtems_test_name[] = "SP 19";
 
 void thread_switch_extension( Thread_Control *executing, Thread_Control *heir )
 {
+  (void) executing;
+
   if ( heir->is_fp ) {
     rtems_print_printer_fprintf_putc( &rtems_test_printer );
   } else {
@@ -60,6 +62,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp19/task1.c b/testsuites/sptests/sp19/task1.c
index cd23973ad5..e48bd05467 100644
--- a/testsuites/sptests/sp19/task1.c
+++ b/testsuites/sptests/sp19/task1.c
@@ -37,6 +37,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          tid;
   rtems_time_of_day time;
diff --git a/testsuites/sptests/sp20/init.c b/testsuites/sptests/sp20/init.c
index 9d62beadd7..8e2e48e7e2 100644
--- a/testsuites/sptests/sp20/init.c
+++ b/testsuites/sptests/sp20/init.c
@@ -58,6 +58,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t          index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp2038/init.c b/testsuites/sptests/sp2038/init.c
index 89462beb84..9802cb1865 100644
--- a/testsuites/sptests/sp2038/init.c
+++ b/testsuites/sptests/sp2038/init.c
@@ -306,6 +306,8 @@ static void test_every_day(void)
 
 rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   test_tod_to_seconds();
diff --git a/testsuites/sptests/sp21/init.c b/testsuites/sptests/sp21/init.c
index 2dc46dc692..fec4e3428a 100644
--- a/testsuites/sptests/sp21/init.c
+++ b/testsuites/sptests/sp21/init.c
@@ -254,6 +254,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   do_test_io_manager();
diff --git a/testsuites/sptests/sp22/delay.c b/testsuites/sptests/sp22/delay.c
index 7863800687..e4d1f0ce79 100644
--- a/testsuites/sptests/sp22/delay.c
+++ b/testsuites/sptests/sp22/delay.c
@@ -45,6 +45,9 @@ rtems_timer_service_routine Delayed_resume(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_task_resume( Task_id[ 1 ] );
diff --git a/testsuites/sptests/sp22/init.c b/testsuites/sptests/sp22/init.c
index f60f4279cf..29216866ba 100644
--- a/testsuites/sptests/sp22/init.c
+++ b/testsuites/sptests/sp22/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day  time;
   rtems_status_code  status;
 
diff --git a/testsuites/sptests/sp22/task1.c b/testsuites/sptests/sp22/task1.c
index 239b564a20..e1c704b0f4 100644
--- a/testsuites/sptests/sp22/task1.c
+++ b/testsuites/sptests/sp22/task1.c
@@ -45,6 +45,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tmid;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp23/init.c b/testsuites/sptests/sp23/init.c
index e2fba33cf9..be5a1f7e58 100644
--- a/testsuites/sptests/sp23/init.c
+++ b/testsuites/sptests/sp23/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp23/task1.c b/testsuites/sptests/sp23/task1.c
index e7d0dc6696..d58b3b5015 100644
--- a/testsuites/sptests/sp23/task1.c
+++ b/testsuites/sptests/sp23/task1.c
@@ -46,6 +46,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id           dpid;
   void              *to_be_converted;
   void              *converted;
diff --git a/testsuites/sptests/sp24/init.c b/testsuites/sptests/sp24/init.c
index ef83de1730..a7430fdbde 100644
--- a/testsuites/sptests/sp24/init.c
+++ b/testsuites/sptests/sp24/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   uint32_t    index;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp24/resume.c b/testsuites/sptests/sp24/resume.c
index 7c3e7e0f75..9f8c8d0984 100644
--- a/testsuites/sptests/sp24/resume.c
+++ b/testsuites/sptests/sp24/resume.c
@@ -45,6 +45,8 @@ rtems_timer_service_routine Resume_task(
   void     *ignored_address
 )
 {
+  (void) ignored_address;
+
   rtems_id          task_to_resume;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp25/init.c b/testsuites/sptests/sp25/init.c
index 6aaae407c0..abebede8fe 100644
--- a/testsuites/sptests/sp25/init.c
+++ b/testsuites/sptests/sp25/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp25/task1.c b/testsuites/sptests/sp25/task1.c
index d52690fec2..6dbedd1a60 100644
--- a/testsuites/sptests/sp25/task1.c
+++ b/testsuites/sptests/sp25/task1.c
@@ -36,6 +36,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   void                   *address_1;
   void                   *address_2;
   void                   *address_3;
diff --git a/testsuites/sptests/sp26/init.c b/testsuites/sptests/sp26/init.c
index d0b5f0b472..830d258b01 100644
--- a/testsuites/sptests/sp26/init.c
+++ b/testsuites/sptests/sp26/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   task1();
diff --git a/testsuites/sptests/sp26/task1.c b/testsuites/sptests/sp26/task1.c
index cc04d53de3..91b4796119 100644
--- a/testsuites/sptests/sp26/task1.c
+++ b/testsuites/sptests/sp26/task1.c
@@ -56,6 +56,8 @@ isSuspended (rtems_id tid)
 static void
 subTask1 (rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
 
   rtems_task_wake_after (ticksPerSecond * 3);
@@ -75,6 +77,8 @@ subTask1 (rtems_task_argument arg)
 static void
 subTask2 (rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
   rtems_event_set ev;
 
diff --git a/testsuites/sptests/sp29/init.c b/testsuites/sptests/sp29/init.c
index a1800f012a..8e1c2ca0ec 100644
--- a/testsuites/sptests/sp29/init.c
+++ b/testsuites/sptests/sp29/init.c
@@ -73,6 +73,8 @@ void startTask(rtems_id arg);
 rtems_task
 subtask (rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
   rtems_id          sem = (rtems_id)arg;
 
@@ -115,6 +117,8 @@ startTask (rtems_id arg)
 
 rtems_task Init (rtems_task_argument ignored)
 {
+  (void) ignored;
+
   int i;
   rtems_id semrec, semnorec;
   rtems_status_code sc;
diff --git a/testsuites/sptests/sp30/init.c b/testsuites/sptests/sp30/init.c
index 9a5ea7330c..b61bbbaccc 100644
--- a/testsuites/sptests/sp30/init.c
+++ b/testsuites/sptests/sp30/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   uint32_t    index;
   rtems_status_code status;
diff --git a/testsuites/sptests/sp30/resume.c b/testsuites/sptests/sp30/resume.c
index 6dc874ebfe..65d0c95b60 100644
--- a/testsuites/sptests/sp30/resume.c
+++ b/testsuites/sptests/sp30/resume.c
@@ -45,6 +45,8 @@ rtems_timer_service_routine Resume_task(
   void     *ignored_address
 )
 {
+  (void) ignored_address;
+
   rtems_id          task_to_resume;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp31/delay.c b/testsuites/sptests/sp31/delay.c
index d49f578b89..fa7301055b 100644
--- a/testsuites/sptests/sp31/delay.c
+++ b/testsuites/sptests/sp31/delay.c
@@ -45,6 +45,9 @@ rtems_timer_service_routine Delayed_resume(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
   status = rtems_task_resume( Task_id[ 1 ] );
diff --git a/testsuites/sptests/sp31/init.c b/testsuites/sptests/sp31/init.c
index d1b2873d04..d3cd6007d0 100644
--- a/testsuites/sptests/sp31/init.c
+++ b/testsuites/sptests/sp31/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day  time;
   rtems_status_code  status;
 
diff --git a/testsuites/sptests/sp31/task1.c b/testsuites/sptests/sp31/task1.c
index 09580ee457..a535188f38 100644
--- a/testsuites/sptests/sp31/task1.c
+++ b/testsuites/sptests/sp31/task1.c
@@ -48,6 +48,9 @@ rtems_timer_service_routine Should_not_fire_TSR(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   TSR_fired = 1;
 }
 
@@ -56,6 +59,9 @@ static rtems_timer_service_routine Do_nothing(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   /* Do nothing */
 }
 
@@ -63,6 +69,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id                 tmid;
   rtems_id                 tmid2;
   rtems_time_of_day        time;
diff --git a/testsuites/sptests/sp32/init.c b/testsuites/sptests/sp32/init.c
index 21cdaa21f9..a9d938d078 100644
--- a/testsuites/sptests/sp32/init.c
+++ b/testsuites/sptests/sp32/init.c
@@ -40,6 +40,8 @@ rtems_task Init(rtems_task_argument argument);
 rtems_task Init(
     rtems_task_argument ignored
 ) {
+  (void) ignored;
+
   rtems_status_code  status;
   rtems_interval     timestamps[6],
                      wantintervals[5] = { 1, 50, 200, 25, 3 };
diff --git a/testsuites/sptests/sp33/init.c b/testsuites/sptests/sp33/init.c
index 27374a66e8..47f486528f 100644
--- a/testsuites/sptests/sp33/init.c
+++ b/testsuites/sptests/sp33/init.c
@@ -88,6 +88,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code status;
   rtems_name        name = rtems_build_name('B','A','R','1');
   uint32_t          released;
diff --git a/testsuites/sptests/sp34/changepri.c b/testsuites/sptests/sp34/changepri.c
index 269740b9f8..ecbda94c0f 100644
--- a/testsuites/sptests/sp34/changepri.c
+++ b/testsuites/sptests/sp34/changepri.c
@@ -138,6 +138,8 @@ rtems_task BlockingTasks(rtems_task_argument arg)
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code   status;
   int                 i;
 
diff --git a/testsuites/sptests/sp35/priinv.c b/testsuites/sptests/sp35/priinv.c
index ce83150f67..4447221cec 100644
--- a/testsuites/sptests/sp35/priinv.c
+++ b/testsuites/sptests/sp35/priinv.c
@@ -193,6 +193,8 @@ rtems_task Low_Exec(rtems_task_argument TaskArg)
 
 rtems_task LocalHwSim_Exec(rtems_task_argument TaskArg)
 {
+  (void) TaskArg;
+
 #if 0
   int ISRCount = 0;
 #endif
@@ -226,6 +228,8 @@ rtems_task LocalHwSim_Exec(rtems_task_argument TaskArg)
 
 rtems_isr  LocalHwIsr(/*in*/ rtems_vector_number   Vector)
 {
+  (void) Vector;
+
   rtems_status_code status;
 
   /* Signal synchroniztion semaphore to invoke waiting task */
@@ -300,6 +304,8 @@ void AccessRemoteHw(void)
 /* The Init operation (the Init-task) */
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
 #if defined(TEST_USE_ISR)
   rtems_isr_entry   DummyIsr;
diff --git a/testsuites/sptests/sp37/init.c b/testsuites/sptests/sp37/init.c
index 8dbc2c701c..e9a29b885d 100644
--- a/testsuites/sptests/sp37/init.c
+++ b/testsuites/sptests/sp37/init.c
@@ -89,6 +89,8 @@ typedef struct {
 
 static void isr_level_check_task( rtems_task_argument arg )
 {
+  (void) arg;
+
   test_isr_level_context *ctx = (test_isr_level_context *) arg;
   rtems_status_code sc;
 
@@ -471,6 +473,8 @@ rtems_task blocked_task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code     status;
 
   puts( "Blocking task... suspending self" );
@@ -493,6 +497,8 @@ rtems_timer_service_routine test_unblock_task(
   void     *arg
 )
 {
+  (void) arg;
+
   bool               in_isr;
   rtems_status_code  status;
   Per_CPU_Control   *cpu_self;
@@ -576,6 +582,9 @@ rtems_timer_service_routine test_isr_in_progress(
   void     *arg
 )
 {
+  (void) timer;
+  (void) arg;
+
   check_isr_in_progress_inline();
 
   isr_in_progress_body = rtems_interrupt_is_in_progress() ? 1 : 2;
@@ -585,6 +594,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day     time;
   rtems_status_code     status;
   rtems_id              timer;
diff --git a/testsuites/sptests/sp38/init.c b/testsuites/sptests/sp38/init.c
index 20a6f9066b..5cf17695d4 100644
--- a/testsuites/sptests/sp38/init.c
+++ b/testsuites/sptests/sp38/init.c
@@ -51,6 +51,8 @@ void signal_handler(
   rtems_signal_set signals
 )
 {
+  (void) signals;
+
   signal_processed = TRUE;
 }
 
@@ -59,6 +61,9 @@ rtems_timer_service_routine test_signal_from_isr(
   void     *arg
 )
 {
+  (void) timer;
+  (void) arg;
+
   rtems_status_code     status;
 
   status = rtems_signal_send( main_task, 0x0a0b0c0d );
@@ -71,6 +76,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code     status;
   rtems_id              timer;
   rtems_interval        start;
diff --git a/testsuites/sptests/sp40/init.c b/testsuites/sptests/sp40/init.c
index 523e074cc6..0df66de7db 100644
--- a/testsuites/sptests/sp40/init.c
+++ b/testsuites/sptests/sp40/init.c
@@ -49,6 +49,10 @@ static rtems_device_driver test_open(
      void                      *ignored
 )
 {
+  (void) minor;
+  (void) major;
+  (void) ignored;
+
   return RTEMS_IO_ERROR;
 }
 
@@ -77,6 +81,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code         sc;
   rtems_device_major_number registered;
   rtems_device_major_number registered_not;
diff --git a/testsuites/sptests/sp41/init.c b/testsuites/sptests/sp41/init.c
index b3cb74b88e..5fa8ada132 100644
--- a/testsuites/sptests/sp41/init.c
+++ b/testsuites/sptests/sp41/init.c
@@ -40,6 +40,8 @@ const char rtems_test_name[] = "SP 41";
 
 static bool visitor( Thread_Control *thread, void *arg )
 {
+  (void) thread;
+
   int *counter = arg;
   ++( *counter );
   return false;
@@ -47,12 +49,15 @@ static bool visitor( Thread_Control *thread, void *arg )
 
 static void iterator( Thread_Control *thread )
 {
+  (void) thread;
 }
 
 static rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   void *tmp;
   int   counter;
 
diff --git a/testsuites/sptests/sp42/init.c b/testsuites/sptests/sp42/init.c
index 24d5a68d81..e83533d5ec 100644
--- a/testsuites/sptests/sp42/init.c
+++ b/testsuites/sptests/sp42/init.c
@@ -189,6 +189,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_task_priority prio;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sp43/init.c b/testsuites/sptests/sp43/init.c
index c396f680bd..3fdfdd70b1 100644
--- a/testsuites/sptests/sp43/init.c
+++ b/testsuites/sptests/sp43/init.c
@@ -129,6 +129,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code                   sc;
   rtems_id                            tmpId;
   rtems_name                          tmpName;
diff --git a/testsuites/sptests/sp44/init.c b/testsuites/sptests/sp44/init.c
index d3255a9094..0828fc4d47 100644
--- a/testsuites/sptests/sp44/init.c
+++ b/testsuites/sptests/sp44/init.c
@@ -90,6 +90,8 @@ rtems_task TaskAB_entry(rtems_task_argument me)
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   static rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp45/init.c b/testsuites/sptests/sp45/init.c
index 323100ebd5..0a347680db 100644
--- a/testsuites/sptests/sp45/init.c
+++ b/testsuites/sptests/sp45/init.c
@@ -53,6 +53,9 @@ rtems_timer_service_routine Malloc_From_TSR(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code  status;
 
   TSR_fired = 2;
@@ -71,6 +74,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sp46/init.c b/testsuites/sptests/sp46/init.c
index 8604dbbed6..c724c40516 100644
--- a/testsuites/sptests/sp46/init.c
+++ b/testsuites/sptests/sp46/init.c
@@ -48,6 +48,8 @@ rtems_task Periodic_Task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
   rtems_name         period_name = rtems_build_name('P','E','R','a');
   rtems_id           period_id;
@@ -84,6 +86,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
   rtems_id           task_id;
 
diff --git a/testsuites/sptests/sp47/init.c b/testsuites/sptests/sp47/init.c
index 50be4012e6..40de3b5749 100644
--- a/testsuites/sptests/sp47/init.c
+++ b/testsuites/sptests/sp47/init.c
@@ -32,6 +32,8 @@ rtems_task Init(rtems_task_argument ignored);
 
 rtems_task test_asr(rtems_task_argument unused)
 {
+  (void) unused;
+
   rtems_mode mode;
 
   rtems_task_mode(0, RTEMS_CURRENT_MODE, &mode);
@@ -51,6 +53,8 @@ rtems_task test_asr(rtems_task_argument unused)
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code sc;
   rtems_id ti;
 
diff --git a/testsuites/sptests/sp48/init.c b/testsuites/sptests/sp48/init.c
index 397b3295cb..ce2ced96db 100644
--- a/testsuites/sptests/sp48/init.c
+++ b/testsuites/sptests/sp48/init.c
@@ -44,6 +44,8 @@ rtems_id Semaphores[SEMA_COUNT];
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code sc;
   int               i;
   int               created;
diff --git a/testsuites/sptests/sp49/init.c b/testsuites/sptests/sp49/init.c
index b48903123c..8caf7d5d3e 100644
--- a/testsuites/sptests/sp49/init.c
+++ b/testsuites/sptests/sp49/init.c
@@ -39,6 +39,8 @@ rtems_task Init(rtems_task_argument argument);
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code sc;
   rtems_id          q;
   uint32_t          flushed;
diff --git a/testsuites/sptests/sp50/init.c b/testsuites/sptests/sp50/init.c
index 55e777cc63..665017c03f 100644
--- a/testsuites/sptests/sp50/init.c
+++ b/testsuites/sptests/sp50/init.c
@@ -44,6 +44,8 @@ volatile bool  timerRan;
 
 rtems_timer_service_routine Timer_Routine(rtems_id id, void *ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
 
   Fired++;
@@ -63,6 +65,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code sc;
   rtems_id          timer1;
   struct timespec   uptime;
diff --git a/testsuites/sptests/sp51/init.c b/testsuites/sptests/sp51/init.c
index bb83fd0074..8c6356fe41 100644
--- a/testsuites/sptests/sp51/init.c
+++ b/testsuites/sptests/sp51/init.c
@@ -75,6 +75,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code sc;
   rtems_id          mutex;
 
diff --git a/testsuites/sptests/sp54/init.c b/testsuites/sptests/sp54/init.c
index 172eb2b1b0..d248c4f03e 100644
--- a/testsuites/sptests/sp54/init.c
+++ b/testsuites/sptests/sp54/init.c
@@ -47,6 +47,8 @@ const char rtems_test_name[] = "SP 54";
 
 static void *Init( uintptr_t ignored )
 {
+  (void) ignored;
+
   rtems_status_code                    status;
   rtems_task_priority                  pri;
   rtems_id                             id;
diff --git a/testsuites/sptests/sp55/init.c b/testsuites/sptests/sp55/init.c
index 58221f2e2c..d0675da731 100644
--- a/testsuites/sptests/sp55/init.c
+++ b/testsuites/sptests/sp55/init.c
@@ -47,6 +47,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code    status;
   rtems_id             id;
   int                  msg = 1;
diff --git a/testsuites/sptests/sp56/init.c b/testsuites/sptests/sp56/init.c
index 7dcab1b01f..57c3946630 100644
--- a/testsuites/sptests/sp56/init.c
+++ b/testsuites/sptests/sp56/init.c
@@ -49,6 +49,9 @@ bool task_create(
   Thread_Control *created
 )
 {
+  (void) executing;
+  (void) created;
+
   return false;
 }
 
@@ -67,6 +70,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code    status;
   rtems_id             extension;
   rtems_id             task_id;
diff --git a/testsuites/sptests/sp57/init.c b/testsuites/sptests/sp57/init.c
index 3c1d4ad73a..e89b5c25d8 100644
--- a/testsuites/sptests/sp57/init.c
+++ b/testsuites/sptests/sp57/init.c
@@ -48,6 +48,8 @@ rtems_task Delay_task(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code    status;
 
   puts( "Delay - rtems_task_wake_after - OK" );
@@ -62,6 +64,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code    status;
   rtems_id             task_id;
 
diff --git a/testsuites/sptests/sp58/init.c b/testsuites/sptests/sp58/init.c
index 5d5428777b..d1733cf9dc 100644
--- a/testsuites/sptests/sp58/init.c
+++ b/testsuites/sptests/sp58/init.c
@@ -85,6 +85,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   TEST_BEGIN();
 
   timespec_divide_by_zero();
diff --git a/testsuites/sptests/sp59/init.c b/testsuites/sptests/sp59/init.c
index c87b4a5470..848e8dc826 100644
--- a/testsuites/sptests/sp59/init.c
+++ b/testsuites/sptests/sp59/init.c
@@ -46,6 +46,8 @@ rtems_task Blocking_task(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code    status;
   void                *address_1;
 
@@ -69,6 +71,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code     status;
   rtems_id              task_id;
   void                 *address_1;
diff --git a/testsuites/sptests/sp60/init.c b/testsuites/sptests/sp60/init.c
index 727a3eefb6..a99d56ac18 100644
--- a/testsuites/sptests/sp60/init.c
+++ b/testsuites/sptests/sp60/init.c
@@ -41,6 +41,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code     sc;
   rtems_id              period1;
   rtems_id              period2;
diff --git a/testsuites/sptests/sp62/init.c b/testsuites/sptests/sp62/init.c
index 47a39dc812..3c096a81f1 100644
--- a/testsuites/sptests/sp62/init.c
+++ b/testsuites/sptests/sp62/init.c
@@ -50,6 +50,8 @@ rtems_task Blocker(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code  sc;
   void              *segment_address_2;
 
@@ -76,6 +78,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_id           task_id;
   rtems_status_code  sc;
   void              *segment_address_1;
diff --git a/testsuites/sptests/sp63/init.c b/testsuites/sptests/sp63/init.c
index b564a9ddb2..1ca96d1963 100644
--- a/testsuites/sptests/sp63/init.c
+++ b/testsuites/sptests/sp63/init.c
@@ -145,6 +145,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   TEST_BEGIN();
 
   test_case_one();
diff --git a/testsuites/sptests/sp64/init.c b/testsuites/sptests/sp64/init.c
index 74d2888304..208759d9b4 100644
--- a/testsuites/sptests/sp64/init.c
+++ b/testsuites/sptests/sp64/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_id                region1;
   rtems_id                region2;
   rtems_status_code       sc;
diff --git a/testsuites/sptests/sp67/init.c b/testsuites/sptests/sp67/init.c
index 19f2a00f0b..40d676ceb6 100644
--- a/testsuites/sptests/sp67/init.c
+++ b/testsuites/sptests/sp67/init.c
@@ -63,6 +63,8 @@ rtems_timer_service_routine TIMER_service_routine(
   void     *user_data
 )
 {
+  (void) ignored_id;
+
   bool *passed = (bool *)user_data;
   *passed = TRUE;
 }
@@ -71,6 +73,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          timer1;
   rtems_id          timer2;
diff --git a/testsuites/sptests/sp68/init.c b/testsuites/sptests/sp68/init.c
index 6f8d02e945..0b8fc41aa7 100644
--- a/testsuites/sptests/sp68/init.c
+++ b/testsuites/sptests/sp68/init.c
@@ -110,6 +110,9 @@ static void assert_time(rtems_interval expected)
 
 static void obtain_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
   char buf [1];
   size_t size = sizeof(buf);
@@ -165,6 +168,9 @@ static void obtain_callback(rtems_id timer_id, void *arg)
 
 static void release_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
   char buf [1] = { 0 };
   size_t size = sizeof(buf);
@@ -210,6 +216,9 @@ static void release_callback(rtems_id timer_id, void *arg)
 
 static void interrupt_triggered_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   /*
    * This callback is scheduled to fire at T3, but is delayed due to the
    * blocked obtain callback.
@@ -228,6 +237,9 @@ static void interrupt_triggered_callback(rtems_id timer_id, void *arg)
 
 static void interrupt_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
 
   assert_time(T2);
@@ -254,6 +266,9 @@ static void interrupt_callback(rtems_id timer_id, void *arg)
 
 static void server_triggered_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   assert_time(T5);
 
   rtems_test_assert(
@@ -269,6 +284,9 @@ static void server_triggered_callback(rtems_id timer_id, void *arg)
 
 static void delayed_callback(rtems_id timer_id, void *arg)
 {
+  (void) timer_id;
+  (void) arg;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
 
   assert_time(T4);
@@ -394,6 +412,8 @@ static void test_case(enum resource_type rt)
 
 rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
   char region_area [256];
   enum resource_type rt = SEMAPHORE;
diff --git a/testsuites/sptests/sp69/init.c b/testsuites/sptests/sp69/init.c
index 558432bae7..e140a7d4aa 100644
--- a/testsuites/sptests/sp69/init.c
+++ b/testsuites/sptests/sp69/init.c
@@ -43,6 +43,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id                                period_id;
   rtems_name                              period_name;
   rtems_rate_monotonic_period_status      period_status;
diff --git a/testsuites/sptests/sp70/init.c b/testsuites/sptests/sp70/init.c
index b3b0def1de..8932aaa155 100644
--- a/testsuites/sptests/sp70/init.c
+++ b/testsuites/sptests/sp70/init.c
@@ -71,6 +71,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   create_helper( 1 );
diff --git a/testsuites/sptests/sp71/init.c b/testsuites/sptests/sp71/init.c
index 8d2b7dbf83..437be3c093 100644
--- a/testsuites/sptests/sp71/init.c
+++ b/testsuites/sptests/sp71/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          id;
   long              created;
diff --git a/testsuites/sptests/sp72/init.c b/testsuites/sptests/sp72/init.c
index 49d649a45c..94e959ae9b 100644
--- a/testsuites/sptests/sp72/init.c
+++ b/testsuites/sptests/sp72/init.c
@@ -45,6 +45,8 @@ rtems_task Test_task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "Task - rtems_semaphore_obtain - wait w/timeout " );
@@ -61,6 +63,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_id          task_id;
 
diff --git a/testsuites/sptests/sp73/init.c b/testsuites/sptests/sp73/init.c
index e5c6c5060d..e4d080165b 100644
--- a/testsuites/sptests/sp73/init.c
+++ b/testsuites/sptests/sp73/init.c
@@ -73,6 +73,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_time_of_day   time;
   rtems_task_priority old;
diff --git a/testsuites/sptests/sp74/init.c b/testsuites/sptests/sp74/init.c
index 3b983df0e6..bb725b163a 100644
--- a/testsuites/sptests/sp74/init.c
+++ b/testsuites/sptests/sp74/init.c
@@ -42,6 +42,8 @@ rtems_task Test_task(
   rtems_task_argument index
 )
 {
+  (void) index;
+
   puts( "Successfully yielded it to higher priority task" );
 
   TEST_END();
@@ -52,6 +54,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  status;
   rtems_id           id;
 
diff --git a/testsuites/sptests/sp75/init.c b/testsuites/sptests/sp75/init.c
index 0692a1f486..c19c8703ff 100644
--- a/testsuites/sptests/sp75/init.c
+++ b/testsuites/sptests/sp75/init.c
@@ -42,6 +42,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code  sc;
   rtems_id           mutex;
   Per_CPU_Control   *cpu_self;
diff --git a/testsuites/sptests/sp76/init.c b/testsuites/sptests/sp76/init.c
index 63d18cacb9..0b8c83fa9d 100644
--- a/testsuites/sptests/sp76/init.c
+++ b/testsuites/sptests/sp76/init.c
@@ -38,6 +38,8 @@ static rtems_task High_task(
   rtems_task_argument index
 )
 {
+  (void) index;
+
   rtems_status_code  status;
   rtems_name         name;
 
@@ -55,6 +57,8 @@ static rtems_task Equal_task(
   rtems_task_argument index
 )
 {
+  (void) index;
+
   rtems_test_assert( 0 );
 }
 
@@ -62,6 +66,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code     status;
   rtems_id              id;
   rtems_task_priority 	old;
diff --git a/testsuites/sptests/sp77/init.c b/testsuites/sptests/sp77/init.c
index 4db9623068..8cd33bd106 100644
--- a/testsuites/sptests/sp77/init.c
+++ b/testsuites/sptests/sp77/init.c
@@ -21,6 +21,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   rtems_status_code status;
diff --git a/testsuites/sptests/spassoc01/init.c b/testsuites/sptests/spassoc01/init.c
index 6b76a44728..4e14339c84 100644
--- a/testsuites/sptests/spassoc01/init.c
+++ b/testsuites/sptests/spassoc01/init.c
@@ -143,6 +143,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   name = malloc(40);
   TEST_BEGIN();
 
diff --git a/testsuites/sptests/spatomic01/init.c b/testsuites/sptests/spatomic01/init.c
index 3d36bfbee4..6e2ef770c7 100644
--- a/testsuites/sptests/spatomic01/init.c
+++ b/testsuites/sptests/spatomic01/init.c
@@ -342,6 +342,8 @@ static void simple_tests(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_static_and_dynamic_initialization();
diff --git a/testsuites/sptests/spcache01/init.c b/testsuites/sptests/spcache01/init.c
index 89fe6794fe..c37cab1273 100644
--- a/testsuites/sptests/spcache01/init.c
+++ b/testsuites/sptests/spcache01/init.c
@@ -489,6 +489,8 @@ static void test_cache_coherent_alloc(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_data_flush_and_invalidate();
@@ -507,6 +509,9 @@ static void fatal_extension(
   rtems_fatal_code error
 )
 {
+  (void) always_set_to_false;
+  (void) error;
+
   if (source == RTEMS_FATAL_SOURCE_EXCEPTION && do_longjmp) {
     _ISR_Set_level(0);
     longjmp(instruction_invalidate_return_context, 1);
diff --git a/testsuites/sptests/spcbssched01/init.c b/testsuites/sptests/spcbssched01/init.c
index 143731e6c8..b7c5c4552c 100644
--- a/testsuites/sptests/spcbssched01/init.c
+++ b/testsuites/sptests/spcbssched01/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spcbssched01/task1.c b/testsuites/sptests/spcbssched01/task1.c
index 0bac004e6d..76071f399d 100644
--- a/testsuites/sptests/spcbssched01/task1.c
+++ b/testsuites/sptests/spcbssched01/task1.c
@@ -45,6 +45,8 @@ rtems_task Task_1_through_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tid;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/spcbssched02/init.c b/testsuites/sptests/spcbssched02/init.c
index 386d56e955..7f22d8ff43 100644
--- a/testsuites/sptests/spcbssched02/init.c
+++ b/testsuites/sptests/spcbssched02/init.c
@@ -40,6 +40,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_cbs_server_id server_id, server_id2;
   time_t approved_budget, exec_time, abs_time, remaining_budget;
diff --git a/testsuites/sptests/spcbssched03/init.c b/testsuites/sptests/spcbssched03/init.c
index df4da9095c..76a73d2192 100644
--- a/testsuites/sptests/spcbssched03/init.c
+++ b/testsuites/sptests/spcbssched03/init.c
@@ -40,6 +40,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t    index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spcbssched03/tasks_periodic.c b/testsuites/sptests/spcbssched03/tasks_periodic.c
index ed298bed24..d56383414f 100644
--- a/testsuites/sptests/spcbssched03/tasks_periodic.c
+++ b/testsuites/sptests/spcbssched03/tasks_periodic.c
@@ -40,6 +40,8 @@ void overrun_handler_task_4(
   rtems_cbs_server_id server_id
 )
 {
+  (void) server_id;
+
   printk( "Signal overrun, fixing the task\n" );
   Violating_task[ 4 ] = 0;
   /* rtems_task_restart( RTEMS_SELF, 4 ); might be also possible*/
@@ -50,6 +52,8 @@ rtems_task Tasks_Periodic(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          rmid;
   rtems_id          test_rmid;
   rtems_status_code status;
diff --git a/testsuites/sptests/spchain/init.c b/testsuites/sptests/spchain/init.c
index 2165ba81ac..f0e7973fb6 100644
--- a/testsuites/sptests/spchain/init.c
+++ b/testsuites/sptests/spchain/init.c
@@ -498,6 +498,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_chain_control  chain1;
   rtems_chain_node    *p;
   test_node            node1, node2;
diff --git a/testsuites/sptests/spclock_err01/delay.c b/testsuites/sptests/spclock_err01/delay.c
index da738a71b9..b87a9b240c 100644
--- a/testsuites/sptests/spclock_err01/delay.c
+++ b/testsuites/sptests/spclock_err01/delay.c
@@ -45,4 +45,6 @@ rtems_timer_service_routine Delayed_routine(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
 }
diff --git a/testsuites/sptests/spclock_err01/init.c b/testsuites/sptests/spclock_err01/init.c
index b6d5f196af..d38d1d79ef 100644
--- a/testsuites/sptests/spclock_err01/init.c
+++ b/testsuites/sptests/spclock_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   rtems_interval    interval;
   struct timeval    tv;
diff --git a/testsuites/sptests/spclock_err02/init.c b/testsuites/sptests/spclock_err02/init.c
index 91519fbf43..c4a11c84d7 100644
--- a/testsuites/sptests/spclock_err02/init.c
+++ b/testsuites/sptests/spclock_err02/init.c
@@ -42,6 +42,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   rtems_time_of_day time;
diff --git a/testsuites/sptests/spclock_todhook01/init.c b/testsuites/sptests/spclock_todhook01/init.c
index 78c7bd552a..5d34981508 100644
--- a/testsuites/sptests/spclock_todhook01/init.c
+++ b/testsuites/sptests/spclock_todhook01/init.c
@@ -297,6 +297,8 @@ static void do_negative_case(bool use_posix)
 
 static rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   // rtems_status_code status;
   int               i;
 
diff --git a/testsuites/sptests/spconfig01/init.c b/testsuites/sptests/spconfig01/init.c
index 0ff5fef817..c95b558e4d 100644
--- a/testsuites/sptests/spconfig01/init.c
+++ b/testsuites/sptests/spconfig01/init.c
@@ -39,6 +39,10 @@ static rtems_status_code bsp_prerequisite_drivers_init(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   TEST_BEGIN();
   checkpoint(0);
   return RTEMS_SUCCESSFUL;
@@ -50,6 +54,10 @@ static rtems_status_code app_prerequisite_drivers_init(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   struct stat st;
   int rv;
 
@@ -69,6 +77,10 @@ static rtems_status_code app_extra_drivers_init(
   void *arg
 )
 {
+  (void) major;
+  (void) minor;
+  (void) arg;
+
   struct stat st;
   int rv;
 
@@ -107,6 +119,8 @@ static void test_stack_config(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   checkpoint(3);
   test_stack_config();
   TEST_END();
diff --git a/testsuites/sptests/spconfig02/init.c b/testsuites/sptests/spconfig02/init.c
index f25ff5efe7..924de2de92 100644
--- a/testsuites/sptests/spconfig02/init.c
+++ b/testsuites/sptests/spconfig02/init.c
@@ -404,6 +404,8 @@ static void test_some_id_to_name(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_barrier_create();
   test_barrier_delete();
   test_barrier_get();
diff --git a/testsuites/sptests/spconsole01/init.c b/testsuites/sptests/spconsole01/init.c
index 87924a35dc..a610babf91 100644
--- a/testsuites/sptests/spconsole01/init.c
+++ b/testsuites/sptests/spconsole01/init.c
@@ -298,6 +298,8 @@ static void test(test_context *ctx)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   rtems_print_printer_fprintf_putc(&rtems_test_printer);
diff --git a/testsuites/sptests/spcontext01/init.c b/testsuites/sptests/spcontext01/init.c
index d8d0a2d3aa..5ca397e6c9 100644
--- a/testsuites/sptests/spcontext01/init.c
+++ b/testsuites/sptests/spcontext01/init.c
@@ -129,6 +129,8 @@ static void switch_priorities(test_context *self)
 
 static void clobber_and_switch_timer(rtems_id timer, void *arg)
 {
+  (void) timer;
+
   uintptr_t pattern = (uintptr_t) 0xffffffffffffffffU;
   test_context *self = arg;
 
@@ -265,6 +267,8 @@ static const char *desc(int i)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *self = &test_instance;
   int i;
   int j;
@@ -291,6 +295,9 @@ static void Init(rtems_task_argument arg)
 
 static void switch_extension(Thread_Control *executing, Thread_Control *heir)
 {
+  (void) executing;
+  (void) heir;
+
   uintptr_t pattern = (uintptr_t) 0xffffffffffffffffU;
 
   _CPU_Context_volatile_clobber(pattern);
diff --git a/testsuites/sptests/spcpucounter01/init.c b/testsuites/sptests/spcpucounter01/init.c
index 0022806ec6..3e29ba9ba0 100644
--- a/testsuites/sptests/spcpucounter01/init.c
+++ b/testsuites/sptests/spcpucounter01/init.c
@@ -250,6 +250,8 @@ static void test_report(test_context *ctx)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   rtems_print_printer_fprintf_putc(&rtems_test_printer);
diff --git a/testsuites/sptests/spcpuset01/init.c b/testsuites/sptests/spcpuset01/init.c
index 4033adf2d0..9e25e7f2d0 100644
--- a/testsuites/sptests/spcpuset01/init.c
+++ b/testsuites/sptests/spcpuset01/init.c
@@ -169,6 +169,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   size_t    i;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spcpuset01/test.c b/testsuites/sptests/spcpuset01/test.c
index d93be69bd3..371bfbd227 100644
--- a/testsuites/sptests/spcpuset01/test.c
+++ b/testsuites/sptests/spcpuset01/test.c
@@ -63,6 +63,9 @@ cpu_set_t set3;
 
 void test_cpu_and_case_1(size_t cpu1, size_t cpu2)
 {
+  (void) cpu1;
+  (void) cpu2;
+
   size_t i;
 
   /*  AND set1 and set2 */
@@ -81,6 +84,9 @@ void test_cpu_and_case_1(size_t cpu1, size_t cpu2)
 
 void test_cpu_nand_case_1(size_t cpu1, size_t cpu2)
 {
+  (void) cpu1;
+  (void) cpu2;
+
   size_t i;
 
   /*
@@ -125,6 +131,9 @@ void test_cpu_or_case_1(size_t cpu1, size_t cpu2)
 
 void test_cpu_xor_case_1(size_t cpu1, size_t cpu2)
 {
+  (void) cpu1;
+  (void) cpu2;
+
   size_t i;
 
   /*  XOR set1 and set2 */
diff --git a/testsuites/sptests/spcxx01/init.cc b/testsuites/sptests/spcxx01/init.cc
index 8b8bcf8417..fad73cec43 100644
--- a/testsuites/sptests/spcxx01/init.cc
+++ b/testsuites/sptests/spcxx01/init.cc
@@ -67,6 +67,8 @@ static void test_future(void)
 
 extern "C" void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_aligned_new();
diff --git a/testsuites/sptests/spedfsched01/init.c b/testsuites/sptests/spedfsched01/init.c
index 85142a6717..ae524fcb92 100644
--- a/testsuites/sptests/spedfsched01/init.c
+++ b/testsuites/sptests/spedfsched01/init.c
@@ -51,6 +51,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spedfsched01/task1.c b/testsuites/sptests/spedfsched01/task1.c
index 0bac004e6d..76071f399d 100644
--- a/testsuites/sptests/spedfsched01/task1.c
+++ b/testsuites/sptests/spedfsched01/task1.c
@@ -45,6 +45,8 @@ rtems_task Task_1_through_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tid;
   rtems_time_of_day time;
   rtems_status_code status;
diff --git a/testsuites/sptests/spedfsched02/init.c b/testsuites/sptests/spedfsched02/init.c
index 834deb2f42..49d5d93750 100644
--- a/testsuites/sptests/spedfsched02/init.c
+++ b/testsuites/sptests/spedfsched02/init.c
@@ -68,6 +68,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t    index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spedfsched03/init.c b/testsuites/sptests/spedfsched03/init.c
index f9413f7765..214da7c059 100644
--- a/testsuites/sptests/spedfsched03/init.c
+++ b/testsuites/sptests/spedfsched03/init.c
@@ -40,6 +40,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t    index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spedfsched04/init.c b/testsuites/sptests/spedfsched04/init.c
index 8625f85a86..1c736a4829 100644
--- a/testsuites/sptests/spedfsched04/init.c
+++ b/testsuites/sptests/spedfsched04/init.c
@@ -117,6 +117,8 @@ static rtems_task Init(
 	rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t     index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sperror01/init.c b/testsuites/sptests/sperror01/init.c
index 2593c860fa..d04eed83b4 100644
--- a/testsuites/sptests/sperror01/init.c
+++ b/testsuites/sptests/sperror01/init.c
@@ -60,6 +60,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   errno = -1;
diff --git a/testsuites/sptests/sperror02/init.c b/testsuites/sptests/sperror02/init.c
index a8c1cfbd52..83c62268cb 100644
--- a/testsuites/sptests/sperror02/init.c
+++ b/testsuites/sptests/sperror02/init.c
@@ -60,6 +60,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   errno = ENOMEM;
diff --git a/testsuites/sptests/sperror03/init.c b/testsuites/sptests/sperror03/init.c
index 9139ff116f..f2174344ec 100644
--- a/testsuites/sptests/sperror03/init.c
+++ b/testsuites/sptests/sperror03/init.c
@@ -56,6 +56,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
   rtems_panic( fmt );
   rtems_test_assert(0);
diff --git a/testsuites/sptests/spevent_err03/init.c b/testsuites/sptests/spevent_err03/init.c
index 5cca270a2a..b2cb8963a2 100644
--- a/testsuites/sptests/spevent_err03/init.c
+++ b/testsuites/sptests/spevent_err03/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_event_set   event_out;
   rtems_time_of_day time;
   struct timeval    tv;
diff --git a/testsuites/sptests/speventsystem01/init.c b/testsuites/sptests/speventsystem01/init.c
index 063e161a71..33e643f058 100644
--- a/testsuites/sptests/speventsystem01/init.c
+++ b/testsuites/sptests/speventsystem01/init.c
@@ -125,6 +125,8 @@ static void test_get_pending_events(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_with_normal_and_system_event();
diff --git a/testsuites/sptests/speventtransient01/init.c b/testsuites/sptests/speventtransient01/init.c
index c07a77d710..5f86241c44 100644
--- a/testsuites/sptests/speventtransient01/init.c
+++ b/testsuites/sptests/speventtransient01/init.c
@@ -119,6 +119,8 @@ static void test_with_timeout(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_with_request_server();
diff --git a/testsuites/sptests/spextensions01/init.c b/testsuites/sptests/spextensions01/init.c
index 59a22293c1..2b7863e526 100644
--- a/testsuites/sptests/spextensions01/init.c
+++ b/testsuites/sptests/spextensions01/init.c
@@ -96,6 +96,9 @@ static void assert_reverse_order(int index)
 
 static bool zero_thread_create(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(0);
   assert_allocator_protected_thread_context();
   return true;
@@ -103,35 +106,51 @@ static bool zero_thread_create(rtems_tcb *a, rtems_tcb *b)
 
 static void zero_thread_start(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(0);
   assert_thread_dispatch_disabled_context();
 }
 
 static void zero_thread_restart(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(0);
   assert_life_protected_thread_context();
 }
 
 static void zero_thread_delete(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_reverse_order(0);
   assert_allocator_protected_thread_context();
 }
 
 static void zero_thread_switch(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(0);
 }
 
 static void zero_thread_begin(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(0);
   assert_normal_thread_context();
 }
 
 static void zero_thread_exitted(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(0);
   assert_normal_thread_context();
 }
@@ -142,6 +161,9 @@ static void zero_fatal(
   rtems_fatal_code code
 )
 {
+  (void) always_set_to_false;
+  (void) code;
+
   if (source == RTEMS_FATAL_SOURCE_EXIT) {
     assert_forward_order(0);
   }
@@ -149,12 +171,17 @@ static void zero_fatal(
 
 static void zero_thread_terminate(rtems_tcb *a)
 {
+  (void) a;
+
   assert_reverse_order(0);
   assert_life_protected_thread_context();
 }
 
 static bool one_thread_create(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(1);
   assert_allocator_protected_thread_context();
   return true;
@@ -162,35 +189,51 @@ static bool one_thread_create(rtems_tcb *a, rtems_tcb *b)
 
 static void one_thread_start(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(1);
   assert_thread_dispatch_disabled_context();
 }
 
 static void one_thread_restart(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(1);
   assert_life_protected_thread_context();
 }
 
 static void one_thread_delete(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_reverse_order(1);
   assert_allocator_protected_thread_context();
 }
 
 static void one_thread_switch(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(1);
 }
 
 static void one_thread_begin(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(1);
   assert_normal_thread_context();
 }
 
 static void one_thread_exitted(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(1);
   assert_normal_thread_context();
 }
@@ -201,6 +244,9 @@ static void one_fatal(
   rtems_fatal_code code
 )
 {
+  (void) always_set_to_false;
+  (void) code;
+
   if (source == RTEMS_FATAL_SOURCE_EXIT) {
     assert_forward_order(1);
   }
@@ -208,12 +254,17 @@ static void one_fatal(
 
 static void one_thread_terminate(rtems_tcb *a)
 {
+  (void) a;
+
   assert_reverse_order(1);
   assert_life_protected_thread_context();
 }
 
 static bool two_thread_create(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(2);
   assert_allocator_protected_thread_context();
   return true;
@@ -221,35 +272,51 @@ static bool two_thread_create(rtems_tcb *a, rtems_tcb *b)
 
 static void two_thread_start(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(2);
   assert_thread_dispatch_disabled_context();
 }
 
 static void two_thread_restart(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(2);
   assert_life_protected_thread_context();
 }
 
 static void two_thread_delete(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_reverse_order(2);
   assert_allocator_protected_thread_context();
 }
 
 static void two_thread_switch(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(2);
 }
 
 static void two_thread_begin(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(2);
   assert_normal_thread_context();
 }
 
 static void two_thread_exitted(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(2);
   assert_normal_thread_context();
 }
@@ -260,6 +327,9 @@ static void two_fatal(
   rtems_fatal_code code
 )
 {
+  (void) always_set_to_false;
+  (void) code;
+
   if (source == RTEMS_FATAL_SOURCE_EXIT) {
     assert_forward_order(2);
   }
@@ -267,12 +337,17 @@ static void two_fatal(
 
 static void two_thread_terminate(rtems_tcb *a)
 {
+  (void) a;
+
   assert_reverse_order(2);
   assert_life_protected_thread_context();
 }
 
 static bool three_thread_create(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(3);
   assert_allocator_protected_thread_context();
   return true;
@@ -280,35 +355,51 @@ static bool three_thread_create(rtems_tcb *a, rtems_tcb *b)
 
 static void three_thread_start(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(3);
   assert_thread_dispatch_disabled_context();
 }
 
 static void three_thread_restart(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(3);
   assert_life_protected_thread_context();
 }
 
 static void three_thread_delete(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_reverse_order(3);
   assert_allocator_protected_thread_context();
 }
 
 static void three_thread_switch(rtems_tcb *a, rtems_tcb *b)
 {
+  (void) a;
+  (void) b;
+
   assert_forward_order(3);
 }
 
 static void three_thread_begin(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(3);
   assert_normal_thread_context();
 }
 
 static void three_thread_exitted(rtems_tcb *a)
 {
+  (void) a;
+
   assert_forward_order(3);
   assert_normal_thread_context();
 }
@@ -319,6 +410,9 @@ static void three_fatal(
   rtems_fatal_code code
 )
 {
+  (void) always_set_to_false;
+  (void) code;
+
   if (source == RTEMS_FATAL_SOURCE_EXIT) {
     assert_forward_order(3);
     assert(counter == 68);
@@ -328,6 +422,8 @@ static void three_fatal(
 
 static void three_thread_terminate(rtems_tcb *a)
 {
+  (void) a;
+
   assert_reverse_order(3);
   assert_life_protected_thread_context();
 }
@@ -411,6 +507,8 @@ static void wait_for_worker(void)
 
 static void worker(rtems_task_argument arg)
 {
+  (void) arg;
+
   wake_up_master();
 
   (void) rtems_task_suspend(RTEMS_SELF);
@@ -509,6 +607,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/spfatal01/init.c b/testsuites/sptests/spfatal01/init.c
index 268220039a..688ea94f0d 100644
--- a/testsuites/sptests/spfatal01/init.c
+++ b/testsuites/sptests/spfatal01/init.c
@@ -50,11 +50,13 @@
 
 static void *stack_allocator(size_t unused)
 {
+  (void) unused;
   return NULL;
 }
 
 static void stack_deallocator(void *unused)
 {
+  (void) unused;
 }
 
 #define CONFIGURE_TASK_STACK_ALLOCATOR stack_allocator
diff --git a/testsuites/sptests/spfatal05/init.c b/testsuites/sptests/spfatal05/init.c
index b2820dd692..30fbbd1131 100644
--- a/testsuites/sptests/spfatal05/init.c
+++ b/testsuites/sptests/spfatal05/init.c
@@ -47,6 +47,7 @@ rtems_task EmptyTask(
   rtems_task_argument unused
 )
 {
+  (void) unused;
 }
 
 static void force_error(void)
diff --git a/testsuites/sptests/spfatal26/init.c b/testsuites/sptests/spfatal26/init.c
index 9ab196f7d4..07c5ed160c 100644
--- a/testsuites/sptests/spfatal26/init.c
+++ b/testsuites/sptests/spfatal26/init.c
@@ -38,6 +38,8 @@ const char rtems_test_name[] = "SPFATAL 26";
 
 static void Init( rtems_task_argument arg )
 {
+  (void) arg;
+
   TEST_BEGIN();
   _CPU_Instruction_illegal();
   rtems_test_assert( 0 );
diff --git a/testsuites/sptests/spfatal29/init.c b/testsuites/sptests/spfatal29/init.c
index 6da87fdaab..8242c6684e 100644
--- a/testsuites/sptests/spfatal29/init.c
+++ b/testsuites/sptests/spfatal29/init.c
@@ -40,6 +40,9 @@
 
 static void timer(rtems_id id, void *arg)
 {
+  (void) id;
+  (void) arg;
+
   rtems_task_wake_after(RTEMS_YIELD_PROCESSOR);
 }
 
diff --git a/testsuites/sptests/spfatal30/init.c b/testsuites/sptests/spfatal30/init.c
index e6656e1694..ec70a54cc0 100644
--- a/testsuites/sptests/spfatal30/init.c
+++ b/testsuites/sptests/spfatal30/init.c
@@ -63,6 +63,8 @@ static volatile double f = 1.0;
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   f *= 123.456;
diff --git a/testsuites/sptests/spfatal31/init.c b/testsuites/sptests/spfatal31/init.c
index 9d93988628..a89928c687 100644
--- a/testsuites/sptests/spfatal31/init.c
+++ b/testsuites/sptests/spfatal31/init.c
@@ -62,11 +62,16 @@ static volatile double f = 1.0;
 
 static void timer(rtems_id id, void *arg)
 {
+  (void) id;
+  (void) arg;
+
   f *= 123.456;
 }
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
   rtems_id id;
 
diff --git a/testsuites/sptests/spfifo01/init.c b/testsuites/sptests/spfifo01/init.c
index cffcce72c0..8880c1c299 100644
--- a/testsuites/sptests/spfifo01/init.c
+++ b/testsuites/sptests/spfifo01/init.c
@@ -56,6 +56,8 @@ static void test_main(void)
 
 rtems_task Init(rtems_task_argument not_used)
 {
+  (void) not_used;
+
   test_main();
   rtems_test_exit(0);
 }
diff --git a/testsuites/sptests/spfifo02/init.c b/testsuites/sptests/spfifo02/init.c
index 7759c10785..c36d12095a 100644
--- a/testsuites/sptests/spfifo02/init.c
+++ b/testsuites/sptests/spfifo02/init.c
@@ -71,6 +71,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   void *p;
   int num_opens = 0;
   int index = 0;
diff --git a/testsuites/sptests/spfifo03/init.c b/testsuites/sptests/spfifo03/init.c
index 199143e5da..fe996f2501 100644
--- a/testsuites/sptests/spfifo03/init.c
+++ b/testsuites/sptests/spfifo03/init.c
@@ -54,6 +54,8 @@ rtems_id Barrier;
 
 rtems_task read_task(rtems_task_argument not_used)
 {
+  (void) not_used;
+
   int fd = 0;
   int status = -1;
 
@@ -217,6 +219,8 @@ rtems_task Init(
   rtems_task_argument not_used
 )
 {
+  (void) not_used;
+
   test_main();
   rtems_test_exit(0);
 }
diff --git a/testsuites/sptests/spfifo04/init.c b/testsuites/sptests/spfifo04/init.c
index 8d9870ac90..53ec5195c6 100644
--- a/testsuites/sptests/spfifo04/init.c
+++ b/testsuites/sptests/spfifo04/init.c
@@ -54,6 +54,8 @@ rtems_task Init(
   rtems_task_argument not_used
 )
 {
+  (void) not_used;
+
   int fd = -1;
   int status = -1;
   off_t offset = 4;
diff --git a/testsuites/sptests/spfifo05/init.c b/testsuites/sptests/spfifo05/init.c
index b4030112c9..3ad02a0f26 100644
--- a/testsuites/sptests/spfifo05/init.c
+++ b/testsuites/sptests/spfifo05/init.c
@@ -60,6 +60,8 @@ char sendBuf[SEND_RCV_BUFSIZ] = {0};
 
 rtems_task read_task(rtems_task_argument not_used)
 {
+  (void) not_used;
+
   int fd = 0;
   int status = -1;
   uint32_t released = 0;
@@ -147,6 +149,8 @@ rtems_task Init(
   rtems_task_argument not_used
 )
 {
+  (void) not_used;
+
   rtems_id readTaskID;
 
   rtems_name readTaskName;
diff --git a/testsuites/sptests/spfreechain01/init.c b/testsuites/sptests/spfreechain01/init.c
index 88e832b5f0..e616cc0579 100644
--- a/testsuites/sptests/spfreechain01/init.c
+++ b/testsuites/sptests/spfreechain01/init.c
@@ -25,6 +25,8 @@ typedef struct {
 
 static rtems_task Init(rtems_task_argument ignored)
 {
+    (void) ignored;
+
     Freechain_Control fc;
     test_node *node;
     test_node node2;
diff --git a/testsuites/sptests/spglobalcon01/init.cc b/testsuites/sptests/spglobalcon01/init.cc
index e81ae9b88b..70cf4a53bf 100644
--- a/testsuites/sptests/spglobalcon01/init.cc
+++ b/testsuites/sptests/spglobalcon01/init.cc
@@ -49,6 +49,8 @@ static A a;
 
 static void *idle_body(uintptr_t ignored)
 {
+  (void) ignored;
+
   TEST_BEGIN();
 
   rtems_test_assert(a.i == 0);
diff --git a/testsuites/sptests/spglobalcon02/init.c b/testsuites/sptests/spglobalcon02/init.c
index bf7bcc080b..f74ef497ba 100644
--- a/testsuites/sptests/spglobalcon02/init.c
+++ b/testsuites/sptests/spglobalcon02/init.c
@@ -68,6 +68,8 @@ static __attribute__((__destructor__)) void d(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
   rtems_test_assert(i == 4);
   ++i;
diff --git a/testsuites/sptests/spheapprot/init.c b/testsuites/sptests/spheapprot/init.c
index 8cda04ba95..0e0cb1a889 100644
--- a/testsuites/sptests/spheapprot/init.c
+++ b/testsuites/sptests/spheapprot/init.c
@@ -49,6 +49,9 @@ const char rtems_test_name[] = "SPHEAPPROT";
      Heap_Error_reason reason
   )
   {
+    (void) block;
+    (void) reason;
+
     bool *error = heap->Protection.handler_data;
 
     *error = true;
@@ -143,6 +146,8 @@ const char rtems_test_name[] = "SPHEAPPROT";
 
 static rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   test_heap_protection();
diff --git a/testsuites/sptests/spinternalerror01/init.c b/testsuites/sptests/spinternalerror01/init.c
index 78d59b832d..740c086e1b 100644
--- a/testsuites/sptests/spinternalerror01/init.c
+++ b/testsuites/sptests/spinternalerror01/init.c
@@ -42,6 +42,8 @@ const char rtems_test_name[] = "SPINTERNALERROR 1";
 
 void boot_card( const char *cmdline )
 {
+  (void) cmdline;
+
   _Terminate( FATAL_SOURCE, FATAL_ERROR );
 }
 
@@ -64,6 +66,8 @@ static void fatal_extension(
 
 static void *idle_body(uintptr_t ignored)
 {
+  (void) ignored;
+
   while ( true ) {
     /* Do nothing */
   }
diff --git a/testsuites/sptests/spinternalerror02/init.c b/testsuites/sptests/spinternalerror02/init.c
index 961321cb23..dd3eb06f4b 100644
--- a/testsuites/sptests/spinternalerror02/init.c
+++ b/testsuites/sptests/spinternalerror02/init.c
@@ -87,6 +87,8 @@ static void test_status_text(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_internal_error_text();
diff --git a/testsuites/sptests/spintr_err01/init.c b/testsuites/sptests/spintr_err01/init.c
index f2e17f60c4..025cde62d0 100644
--- a/testsuites/sptests/spintr_err01/init.c
+++ b/testsuites/sptests/spintr_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
   #if (CPU_SIMPLE_VECTORED_INTERRUPTS == FALSE)
     puts(
diff --git a/testsuites/sptests/spintr_err01/isr.c b/testsuites/sptests/spintr_err01/isr.c
index 04c58f6aab..a397d6967e 100644
--- a/testsuites/sptests/spintr_err01/isr.c
+++ b/testsuites/sptests/spintr_err01/isr.c
@@ -44,4 +44,5 @@ rtems_isr Service_routine(
   rtems_vector_number ignored
 )
 {
+  (void) ignored;
 }
diff --git a/testsuites/sptests/spintrcritical10/init.c b/testsuites/sptests/spintrcritical10/init.c
index d69af9cabd..6db1e477c9 100644
--- a/testsuites/sptests/spintrcritical10/init.c
+++ b/testsuites/sptests/spintrcritical10/init.c
@@ -216,6 +216,8 @@ static T_interrupt_test_state all_satisfy_before_timeout_interrupt(void *arg)
 
 static void all_satisfy_before_timeout_action(void *arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
   rtems_event_set out;
 
@@ -292,6 +294,8 @@ static T_interrupt_test_state timeout_before_satisfied_interrupt(void *arg)
 
 static void timeout_before_satisfied_action(void *arg)
 {
+  (void) arg;
+
   rtems_event_set out;
   rtems_status_code sc;
 
@@ -324,6 +328,8 @@ T_TEST_CASE(EventTimeoutBeforeSatisfied)
 
 static rtems_task Init( rtems_task_argument argument )
 {
+  (void) argument;
+
   rtems_test_run( argument, TEST_STATE );
 }
 
diff --git a/testsuites/sptests/splinkersets01/init.c b/testsuites/sptests/splinkersets01/init.c
index 059b4e230c..18c3ba1b47 100644
--- a/testsuites/sptests/splinkersets01/init.c
+++ b/testsuites/sptests/splinkersets01/init.c
@@ -260,6 +260,8 @@ static void test_content(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/spmisc01/init.c b/testsuites/sptests/spmisc01/init.c
index e40e33121a..12764f8d2a 100644
--- a/testsuites/sptests/spmisc01/init.c
+++ b/testsuites/sptests/spmisc01/init.c
@@ -113,6 +113,8 @@ static void test_unreachable(void)
 
 RTEMS_PRINTFLIKE(1, 2) static int printflike_func(const char *fmt, ...)
 {
+  (void) fmt;
+
   return 56;
 }
 
@@ -224,6 +226,8 @@ static int concat(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   void *p;
   int   v;
 
diff --git a/testsuites/sptests/spmkdir/init.c b/testsuites/sptests/spmkdir/init.c
index 7eea58d86d..62af529aaf 100644
--- a/testsuites/sptests/spmkdir/init.c
+++ b/testsuites/sptests/spmkdir/init.c
@@ -67,6 +67,8 @@ static void test_mkdir(const char *path, mode_t omode, int expected_rv)
 
 static rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   mode_t omode = S_IRWXU | S_IRWXG | S_IRWXO;
   int rv = 0;
 
diff --git a/testsuites/sptests/spmountmgr01/init.c b/testsuites/sptests/spmountmgr01/init.c
index 44a2ec6c58..60a97311f5 100644
--- a/testsuites/sptests/spmountmgr01/init.c
+++ b/testsuites/sptests/spmountmgr01/init.c
@@ -51,6 +51,9 @@ int fs_mount(
   const void                           *data
 )
 {
+  (void) mt_entry;
+  (void) data;
+
   return 0;
 }
 
@@ -58,6 +61,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   int status = 0;
   void *greedy;
 
diff --git a/testsuites/sptests/spmrsp01/init.c b/testsuites/sptests/spmrsp01/init.c
index a5c130e1c2..e405f0c39c 100644
--- a/testsuites/sptests/spmrsp01/init.c
+++ b/testsuites/sptests/spmrsp01/init.c
@@ -322,6 +322,8 @@ static void test_mrsp_timeout_and_not_owner_of_resource(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_resource_snapshot snapshot;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spmsgq_err01/init.c b/testsuites/sptests/spmsgq_err01/init.c
index a3b0b1da65..f860b12a4b 100644
--- a/testsuites/sptests/spmsgq_err01/init.c
+++ b/testsuites/sptests/spmsgq_err01/init.c
@@ -38,6 +38,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   long              buffer[ 4 ];
   uint32_t          count;
   size_t            size;
diff --git a/testsuites/sptests/spmsgq_err02/init.c b/testsuites/sptests/spmsgq_err02/init.c
index 0fddaa4239..63abb444b3 100644
--- a/testsuites/sptests/spmsgq_err02/init.c
+++ b/testsuites/sptests/spmsgq_err02/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   long              buffer[ 4 ];
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spmsgq_err02/task3.c b/testsuites/sptests/spmsgq_err02/task3.c
index 9b9b4b9aa6..2934fd24c1 100644
--- a/testsuites/sptests/spmsgq_err02/task3.c
+++ b/testsuites/sptests/spmsgq_err02/task3.c
@@ -46,6 +46,8 @@ rtems_task Task_3(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   long              buffer[ 4 ];
   size_t            size;
diff --git a/testsuites/sptests/spmutex01/init.c b/testsuites/sptests/spmutex01/init.c
index f5d8491555..a2de0e1a96 100644
--- a/testsuites/sptests/spmutex01/init.c
+++ b/testsuites/sptests/spmutex01/init.c
@@ -307,6 +307,8 @@ static void change_prio(
 
 static void helper(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   while (true) {
@@ -318,6 +320,8 @@ static void helper(rtems_task_argument arg)
 
 static void worker(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
   task_id id = arg;
 
@@ -687,6 +691,8 @@ static void tear_down(test_context *ctx)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
   rtems_resource_snapshot snapshot;
 
diff --git a/testsuites/sptests/spnsext01/init.c b/testsuites/sptests/spnsext01/init.c
index b45da45a49..92b3aa1143 100644
--- a/testsuites/sptests/spnsext01/init.c
+++ b/testsuites/sptests/spnsext01/init.c
@@ -35,6 +35,8 @@ const char rtems_test_name[] = "SPNSEXT 1";
 
 static rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
   RTEMS_INTERRUPT_LOCK_DECLARE(, lock)
   rtems_interrupt_lock_context lock_context;
diff --git a/testsuites/sptests/spobjgetnext/init.c b/testsuites/sptests/spobjgetnext/init.c
index 875184e9cc..5716b9880c 100644
--- a/testsuites/sptests/spobjgetnext/init.c
+++ b/testsuites/sptests/spobjgetnext/init.c
@@ -78,6 +78,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id              main_task;
   int                   count;
   Objects_Control      *o;
diff --git a/testsuites/sptests/sppagesize/init.c b/testsuites/sptests/sppagesize/init.c
index 375300b599..4393d31ef3 100644
--- a/testsuites/sptests/sppagesize/init.c
+++ b/testsuites/sptests/sppagesize/init.c
@@ -44,6 +44,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+    (void) argument;
+
     TEST_BEGIN();
 
     rtems_test_assert(PAGESIZE == PAGE_SIZE);
diff --git a/testsuites/sptests/sppartition_err01/init.c b/testsuites/sptests/sppartition_err01/init.c
index 5855184bc7..3292b01f54 100644
--- a/testsuites/sptests/sppartition_err01/init.c
+++ b/testsuites/sptests/sppartition_err01/init.c
@@ -331,6 +331,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   test_partition_errors();
diff --git a/testsuites/sptests/sppercpudata01/init.c b/testsuites/sptests/sppercpudata01/init.c
index 24ad75b607..5cb6969e42 100644
--- a/testsuites/sptests/sppercpudata01/init.c
+++ b/testsuites/sptests/sppercpudata01/init.c
@@ -306,6 +306,8 @@ static void test_unique_values(unsigned int v)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
   test_initial_values();
   set_unique_values(12);
diff --git a/testsuites/sptests/spport_err01/init.c b/testsuites/sptests/spport_err01/init.c
index 0478985474..4264167495 100644
--- a/testsuites/sptests/spport_err01/init.c
+++ b/testsuites/sptests/spport_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   void              *converted;
   rtems_status_code status;
   
diff --git a/testsuites/sptests/spprintk/init.c b/testsuites/sptests/spprintk/init.c
index 4fc1c0cc97..ec13102c04 100644
--- a/testsuites/sptests/spprintk/init.c
+++ b/testsuites/sptests/spprintk/init.c
@@ -277,6 +277,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   do_putk();
diff --git a/testsuites/sptests/spprivenv01/init.c b/testsuites/sptests/spprivenv01/init.c
index 50cdce571e..1793adab60 100644
--- a/testsuites/sptests/spprivenv01/init.c
+++ b/testsuites/sptests/spprivenv01/init.c
@@ -44,6 +44,8 @@ rtems_task task_routine(rtems_task_argument not_used);
 
 rtems_task task_routine(rtems_task_argument not_used)
 {
+  (void) not_used;
+
   rtems_status_code sc;
 
   puts( "task_routine - setting up a private environment" );
@@ -62,6 +64,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code       sc;
   void                   *opaque;
   rtems_id                task_id;
diff --git a/testsuites/sptests/spprofiling01/init.c b/testsuites/sptests/spprofiling01/init.c
index aa8a7b7098..67dc5717e4 100644
--- a/testsuites/sptests/spprofiling01/init.c
+++ b/testsuites/sptests/spprofiling01/init.c
@@ -96,6 +96,8 @@ static void visitor(void *arg, const rtems_profiling_data *data)
 
 static void lock_init(rtems_interrupt_lock *lock, const char *name)
 {
+  (void) lock;
+
   rtems_interrupt_lock_context lock_context;
 
   rtems_interrupt_lock_initialize(lock, name);
@@ -140,6 +142,8 @@ static void test_report_xml(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_iterate();
diff --git a/testsuites/sptests/spqreslib/init.c b/testsuites/sptests/spqreslib/init.c
index 873139cc5c..00eb9908e0 100644
--- a/testsuites/sptests/spqreslib/init.c
+++ b/testsuites/sptests/spqreslib/init.c
@@ -42,6 +42,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   qres_sid_t server_id, server_id2;
   time_t approved_budget, exec_time, abs_time, current_budget;
diff --git a/testsuites/sptests/spratemon_err01/init.c b/testsuites/sptests/spratemon_err01/init.c
index ac1c84ae25..95baa8a7c3 100644
--- a/testsuites/sptests/spratemon_err01/init.c
+++ b/testsuites/sptests/spratemon_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spratemon_err01/task4.c b/testsuites/sptests/spratemon_err01/task4.c
index 60fa4b066c..3451c54d07 100644
--- a/testsuites/sptests/spratemon_err01/task4.c
+++ b/testsuites/sptests/spratemon_err01/task4.c
@@ -46,6 +46,8 @@ rtems_task Task_4(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   status = rtems_rate_monotonic_cancel( Period_id[ 1 ] );
diff --git a/testsuites/sptests/sprbtree01/init.c b/testsuites/sptests/sprbtree01/init.c
index e2b32f47ed..7fa6e3e80a 100644
--- a/testsuites/sptests/sprbtree01/init.c
+++ b/testsuites/sptests/sprbtree01/init.c
@@ -1980,6 +1980,8 @@ static void test_rbtree_postorder( void )
 
 rtems_task Init( rtems_task_argument ignored )
 {
+  (void) ignored;
+
   rtems_rbtree_control  rbtree1;
   rtems_rbtree_node    *p;
   test_node            node1, node2;
diff --git a/testsuites/sptests/spregion_err01/init.c b/testsuites/sptests/spregion_err01/init.c
index c1b60ff20c..a8d706d757 100644
--- a/testsuites/sptests/spregion_err01/init.c
+++ b/testsuites/sptests/spregion_err01/init.c
@@ -447,6 +447,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   region_error_tests();
diff --git a/testsuites/sptests/sprmsched01/init.c b/testsuites/sptests/sprmsched01/init.c
index e03c2eec3a..323f1b962e 100644
--- a/testsuites/sptests/sprmsched01/init.c
+++ b/testsuites/sptests/sprmsched01/init.c
@@ -56,6 +56,8 @@ static rtems_task Task(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code                          status;
   rtems_id                                   RM_period;
   rtems_id                                   selfid=rtems_task_self();
@@ -116,6 +118,8 @@ static rtems_task Init(
 	rtems_task_argument argument
 )
 {
+  (void) argument;
+
   uint32_t     index;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/sprmsched02/init.c b/testsuites/sptests/sprmsched02/init.c
index bc1d4fdc27..b87be89034 100644
--- a/testsuites/sptests/sprmsched02/init.c
+++ b/testsuites/sptests/sprmsched02/init.c
@@ -57,6 +57,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id                                period_id;
   rtems_name                              period_name;
   rtems_rate_monotonic_period_status      period_status;
diff --git a/testsuites/sptests/spscheduler01/init.c b/testsuites/sptests/spscheduler01/init.c
index c2dfc954fc..1dacf3814b 100644
--- a/testsuites/sptests/spscheduler01/init.c
+++ b/testsuites/sptests/spscheduler01/init.c
@@ -242,6 +242,8 @@ static void forbidden_task(rtems_task_argument arg)
 
 static void restart_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
 
   if (arg == 0) {
@@ -273,6 +275,8 @@ static void restart_task(rtems_task_argument arg)
 
 static void sema_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
 
   sc = rtems_semaphore_obtain(sema_id, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
@@ -713,6 +717,8 @@ static void test_task_get_priority(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_resource_snapshot snapshot;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsem01/init.c b/testsuites/sptests/spsem01/init.c
index 0f869f2e9b..066ad77936 100644
--- a/testsuites/sptests/spsem01/init.c
+++ b/testsuites/sptests/spsem01/init.c
@@ -65,6 +65,8 @@ rtems_name sem_name[2];
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
   rtems_attribute sem_attr;
 
@@ -127,6 +129,8 @@ rtems_task Init(rtems_task_argument ignored)
 /* Task01 starts with priority 36 */
 rtems_task Task01(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
   printf("TA01: started with priority %d\n", getprio());
 
@@ -159,6 +163,8 @@ rtems_task Task01(rtems_task_argument ignored)
 /* TA02 starts at Task02 with priority 34 */
 rtems_task Task02(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
 
   printf("TA02: started with priority %d\n", getprio());
diff --git a/testsuites/sptests/spsem02/init.c b/testsuites/sptests/spsem02/init.c
index 4ffeee1aaf..054f7acfe0 100644
--- a/testsuites/sptests/spsem02/init.c
+++ b/testsuites/sptests/spsem02/init.c
@@ -66,6 +66,8 @@ rtems_name sem_name[2];
 
 rtems_task Init(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
   rtems_attribute sem_attr;
 
@@ -140,6 +142,8 @@ rtems_task Init(rtems_task_argument ignored)
 /* Task01 starts with priority 36 */
 rtems_task Task01(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
   printf("TA01: started with priority %d\n", getprio());
 
@@ -177,6 +181,8 @@ rtems_task Task01(rtems_task_argument ignored)
 /* TA02 starts at Task02 with priority 34 */
 rtems_task Task02(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
 
   printf("TA02: started with priority %d\n", getprio());
@@ -194,6 +200,8 @@ rtems_task Task02(rtems_task_argument ignored)
 /* Task03 starts with priority 32 */
 rtems_task Task03(rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_status_code status;
   printf("TA03: started with priority %d\n", getprio());
 
diff --git a/testsuites/sptests/spsem03/init.c b/testsuites/sptests/spsem03/init.c
index 11e6cb6827..5d92300074 100644
--- a/testsuites/sptests/spsem03/init.c
+++ b/testsuites/sptests/spsem03/init.c
@@ -101,11 +101,15 @@ static void obtain_sema(rtems_id id)
 
 static void inversion_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_test_assert(0);
 }
 
 static void mid_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   obtain_sema(ctx->sem_b);
@@ -114,6 +118,8 @@ static void mid_task(rtems_task_argument arg)
 
 static void high_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   start_task(ctx->inversion, inversion_task);
@@ -122,6 +128,8 @@ static void high_task(rtems_task_argument arg)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsem_err01/init.c b/testsuites/sptests/spsem_err01/init.c
index 0812d5dc8a..599bf2ef50 100644
--- a/testsuites/sptests/spsem_err01/init.c
+++ b/testsuites/sptests/spsem_err01/init.c
@@ -41,6 +41,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsem_err02/init.c b/testsuites/sptests/spsem_err02/init.c
index af6acfa252..3ef6857924 100644
--- a/testsuites/sptests/spsem_err02/init.c
+++ b/testsuites/sptests/spsem_err02/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsem_err02/task2.c b/testsuites/sptests/spsem_err02/task2.c
index 3347a49811..2b9b5fe5c1 100644
--- a/testsuites/sptests/spsem_err02/task2.c
+++ b/testsuites/sptests/spsem_err02/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   puts( "TA2 - rtems_semaphore_obtain - sem 1 - RTEMS_WAIT FOREVER" );
diff --git a/testsuites/sptests/spsignal_err01/init.c b/testsuites/sptests/spsignal_err01/init.c
index 9d1c83e91d..4f46dd8e43 100644
--- a/testsuites/sptests/spsignal_err01/init.c
+++ b/testsuites/sptests/spsignal_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsignal_err01/isr.c b/testsuites/sptests/spsignal_err01/isr.c
index 04c58f6aab..a397d6967e 100644
--- a/testsuites/sptests/spsignal_err01/isr.c
+++ b/testsuites/sptests/spsignal_err01/isr.c
@@ -44,4 +44,5 @@ rtems_isr Service_routine(
   rtems_vector_number ignored
 )
 {
+  (void) ignored;
 }
diff --git a/testsuites/sptests/spsimplesched01/init.c b/testsuites/sptests/spsimplesched01/init.c
index 9b58ad5ad8..a715b3414b 100644
--- a/testsuites/sptests/spsimplesched01/init.c
+++ b/testsuites/sptests/spsimplesched01/init.c
@@ -48,6 +48,8 @@ rtems_task Test_task(
   rtems_task_argument unused
 )
 {
+  (void) unused;
+
   rtems_id           tid;
   rtems_time_of_day  time;
   uint32_t           task_index;
@@ -77,6 +79,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   rtems_time_of_day   time;
   rtems_task_priority old;
diff --git a/testsuites/sptests/spsimplesched02/init.c b/testsuites/sptests/spsimplesched02/init.c
index eb338a84fa..860909130d 100644
--- a/testsuites/sptests/spsimplesched02/init.c
+++ b/testsuites/sptests/spsimplesched02/init.c
@@ -54,6 +54,8 @@ rtems_task Test_task(
   rtems_task_argument unused
 )
 {
+  (void) unused;
+
   rtems_id          tid;
   rtems_status_code status;
 
@@ -95,6 +97,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsimplesched03/init.c b/testsuites/sptests/spsimplesched03/init.c
index b9b1d2719a..455b86d71c 100644
--- a/testsuites/sptests/spsimplesched03/init.c
+++ b/testsuites/sptests/spsimplesched03/init.c
@@ -41,6 +41,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/spsize/init.c b/testsuites/sptests/spsize/init.c
index eb89068fa6..4eb3ca843b 100644
--- a/testsuites/sptests/spsize/init.c
+++ b/testsuites/sptests/spsize/init.c
@@ -55,6 +55,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
 #if defined(HAVE_MENU)
   int choice = 0;
 #endif
diff --git a/testsuites/sptests/spstdthreads01/init.c b/testsuites/sptests/spstdthreads01/init.c
index d1cacc1705..f4fdac10f0 100644
--- a/testsuites/sptests/spstdthreads01/init.c
+++ b/testsuites/sptests/spstdthreads01/init.c
@@ -259,6 +259,8 @@ static void test_tss(test_context *ctx)
 
 static int thrd(void *arg)
 {
+  (void) arg;
+
   thrd_exit(123);
 }
 
@@ -306,6 +308,8 @@ static void test_thrd(test_context *ctx)
 
 static void high_task(rtems_task_argument idx)
 {
+  (void) idx;
+
   test_context *ctx = &test_instance;
 
   while (true) {
@@ -409,6 +413,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/spstkalloc/init.c b/testsuites/sptests/spstkalloc/init.c
index ddbcbd0024..b0ee4d4d81 100644
--- a/testsuites/sptests/spstkalloc/init.c
+++ b/testsuites/sptests/spstkalloc/init.c
@@ -49,6 +49,8 @@ void          *StackDeallocated = NULL;
 
 static void *StackAllocator(size_t size)
 {
+  (void) size;
+
   if (stackToAlloc < MAXIMUM_STACKS)
     return &Stacks[stackToAlloc++];
   return NULL;
@@ -63,6 +65,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code rc;
   rtems_id          taskId;
   rtems_id          taskId1;
diff --git a/testsuites/sptests/spstkalloc02/init.c b/testsuites/sptests/spstkalloc02/init.c
index 30803bfc8e..64e9b83134 100644
--- a/testsuites/sptests/spstkalloc02/init.c
+++ b/testsuites/sptests/spstkalloc02/init.c
@@ -85,6 +85,8 @@ static void print_info(void)
 
 static rtems_task Init(rtems_task_argument argument)
 {
+  (void) argument;
+
   rtems_status_code sc = RTEMS_SUCCESSFUL;
   rtems_name name = rtems_build_name('S', 'T', 'K', 'A');
   rtems_id id = RTEMS_ID_NONE;
@@ -189,6 +191,8 @@ static void *task_stack_allocate(size_t stack_size)
 
 static void *task_stack_allocate_for_idle(uint32_t unused, size_t *stack_size)
 {
+  (void) unused;
+
   return rtems_heap_allocate_aligned_with_boundary(
     *stack_size,
     CPU_STACK_ALIGNMENT,
diff --git a/testsuites/sptests/spstkalloc03/init.c b/testsuites/sptests/spstkalloc03/init.c
index 5ee7de26ec..5d9bc1f2f6 100644
--- a/testsuites/sptests/spstkalloc03/init.c
+++ b/testsuites/sptests/spstkalloc03/init.c
@@ -43,6 +43,8 @@ static rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_print_printer_fprintf_putc(&rtems_test_printer);
   TEST_BEGIN();
   rtems_test_assert(thread_stacks_count == 2);
@@ -69,6 +71,8 @@ static void *allocate_helper(size_t size)
 
 static void thread_stacks_initialize(size_t stack_space_size)
 {
+  (void) stack_space_size;
+
   rtems_test_assert(thread_stacks_count == 0xff);
   thread_stacks_count = 0;
 }
@@ -82,6 +86,8 @@ static void *thread_stacks_allocate(size_t stack_size)
 
 static void thread_stacks_free(void *addr)
 {
+  (void) addr;
+
   rtems_test_assert(false);
 }
 
@@ -90,6 +96,8 @@ static void *thread_stacks_allocate_for_idle(
   size_t   *stack_size
 )
 {
+  (void) cpu;
+
   rtems_test_assert(thread_stacks_count == 0);
   thread_stacks_count++;
   return allocate_helper(*stack_size);
diff --git a/testsuites/sptests/spstkalloc04/init.c b/testsuites/sptests/spstkalloc04/init.c
index 9678f6e00c..68b723af62 100644
--- a/testsuites/sptests/spstkalloc04/init.c
+++ b/testsuites/sptests/spstkalloc04/init.c
@@ -43,6 +43,8 @@ static rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_print_printer_fprintf_putc(&rtems_test_printer);
   TEST_BEGIN();
   rtems_test_assert(thread_stacks_count == 1);
@@ -72,6 +74,8 @@ static void *thread_stacks_allocate_for_idle(
   size_t   *stack_size
 )
 {
+  (void) cpu;
+
   rtems_test_assert(thread_stacks_count == 0);
   thread_stacks_count++;
   return allocate_helper(*stack_size);
diff --git a/testsuites/sptests/spsysinit01/init.c b/testsuites/sptests/spsysinit01/init.c
index f756dc7a23..f24f758cbd 100644
--- a/testsuites/sptests/spsysinit01/init.c
+++ b/testsuites/sptests/spsysinit01/init.c
@@ -974,6 +974,8 @@ static void do_use_global_user_env(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   next_step(INIT_TASK);
   do_barrier_create();
   do_extensions_create();
@@ -999,6 +1001,8 @@ static void Init(rtems_task_argument arg)
 
 static void *POSIX_Init(void *arg)
 {
+  (void) arg;
+
   return NULL;
 }
 
diff --git a/testsuites/sptests/spsyslock01/init.c b/testsuites/sptests/spsyslock01/init.c
index 76af036407..417a944b1c 100644
--- a/testsuites/sptests/spsyslock01/init.c
+++ b/testsuites/sptests/spsyslock01/init.c
@@ -568,6 +568,8 @@ static void test_sched(void)
 
 static void mid_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_test_assert(0);
 }
 
@@ -743,6 +745,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/sptask_err01/init.c b/testsuites/sptests/sptask_err01/init.c
index b49645c4ea..c5cce2d804 100644
--- a/testsuites/sptests/sptask_err01/init.c
+++ b/testsuites/sptests/sptask_err01/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   
   TEST_BEGIN();
diff --git a/testsuites/sptests/sptask_err01/task2.c b/testsuites/sptests/sptask_err01/task2.c
index c9065e4ae9..f464882f99 100644
--- a/testsuites/sptests/sptask_err01/task2.c
+++ b/testsuites/sptests/sptask_err01/task2.c
@@ -45,6 +45,8 @@ rtems_task Task_2(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   puts( "TA2 - rtems_task_exit" );
   rtems_task_exit();
 }
diff --git a/testsuites/sptests/sptask_err02/init.c b/testsuites/sptests/sptask_err02/init.c
index b55bed4470..72a4a99caa 100644
--- a/testsuites/sptests/sptask_err02/init.c
+++ b/testsuites/sptests/sptask_err02/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day time;
   rtems_status_code status;
   
diff --git a/testsuites/sptests/sptask_err03/init.c b/testsuites/sptests/sptask_err03/init.c
index 6f72ede180..37e892263a 100644
--- a/testsuites/sptests/sptask_err03/init.c
+++ b/testsuites/sptests/sptask_err03/init.c
@@ -39,6 +39,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_name        task_name;
   rtems_status_code status;
   bool              skipUnsatisfied; 
diff --git a/testsuites/sptests/sptask_err04/init.c b/testsuites/sptests/sptask_err04/init.c
index a01e75c2f9..fdee1f44ac 100644
--- a/testsuites/sptests/sptask_err04/init.c
+++ b/testsuites/sptests/sptask_err04/init.c
@@ -41,6 +41,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code   status;
   
   TEST_BEGIN();
diff --git a/testsuites/sptests/sptask_err04/task1.c b/testsuites/sptests/sptask_err04/task1.c
index 1743bc790b..88976c17e6 100644
--- a/testsuites/sptests/sptask_err04/task1.c
+++ b/testsuites/sptests/sptask_err04/task1.c
@@ -46,6 +46,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id            self_id;
   rtems_task_priority previous_priority;
   rtems_status_code   status;
diff --git a/testsuites/sptests/sptasknopreempt01/init.c b/testsuites/sptests/sptasknopreempt01/init.c
index e87f6a9060..ff32b6260d 100644
--- a/testsuites/sptests/sptasknopreempt01/init.c
+++ b/testsuites/sptests/sptasknopreempt01/init.c
@@ -37,6 +37,8 @@ static bool did_run;
 
 static void do_not_run(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_test_assert(0);
 }
 
@@ -78,6 +80,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/spthread01/init.c b/testsuites/sptests/spthread01/init.c
index bedd9590b0..a0f7040d9d 100644
--- a/testsuites/sptests/spthread01/init.c
+++ b/testsuites/sptests/spthread01/init.c
@@ -29,6 +29,8 @@ typedef struct {
 
 static void mutex_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   mutex_context *m;
   int rv;
 
@@ -163,6 +165,8 @@ typedef struct {
 
 static void signal_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   signal_context *s;
 
   s = (signal_context *) arg;
@@ -315,6 +319,8 @@ static void test_binary_semaphore(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test_mutex();
diff --git a/testsuites/sptests/spthreadlife01/init.c b/testsuites/sptests/spthreadlife01/init.c
index c33e8fef35..a4c7928383 100644
--- a/testsuites/sptests/spthreadlife01/init.c
+++ b/testsuites/sptests/spthreadlife01/init.c
@@ -211,6 +211,8 @@ static void delete_extension(
 
 static void terminate_extension(Thread_Control *executing)
 {
+  (void) executing;
+
   test_context *ctx = &test_instance;
 
   rtems_test_assert(ctx->worker_task_id == rtems_task_self());
@@ -246,6 +248,8 @@ static void terminate_extension(Thread_Control *executing)
 
 static void worker_task(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = &test_instance;
 
   while (true) {
@@ -442,6 +446,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/spthreadq01/init.c b/testsuites/sptests/spthreadq01/init.c
index bb6423ec4f..73368c3cc7 100644
--- a/testsuites/sptests/spthreadq01/init.c
+++ b/testsuites/sptests/spthreadq01/init.c
@@ -63,6 +63,8 @@ static test_context test_instance;
 
 static void wait_for_worker(test_context *ctx)
 {
+  (void) ctx;
+
   rtems_status_code sc;
 
   sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT);
@@ -139,6 +141,8 @@ static void posix_worker(test_context *ctx)
 
 static rtems_task worker(rtems_task_argument arg)
 {
+  (void) arg;
+
   test_context *ctx = (test_context *) arg;
 
   rtems_test_assert(get_wait_id(ctx) == 0);
@@ -280,6 +284,8 @@ static rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   test_context *ctx = &test_instance;
 
   TEST_BEGIN();
diff --git a/testsuites/sptests/sptimecounter01/init.c b/testsuites/sptests/sptimecounter01/init.c
index ff5fe25a2d..3808a7a593 100644
--- a/testsuites/sptests/sptimecounter01/init.c
+++ b/testsuites/sptests/sptimecounter01/init.c
@@ -117,6 +117,8 @@ static void test_install(test_context *ctx)
 
 void boot_card(const char *cmdline)
 {
+  (void) cmdline;
+
   test_context *ctx;
   struct timecounter *tc;
   struct bintime bt;
diff --git a/testsuites/sptests/sptimecounter02/init.c b/testsuites/sptests/sptimecounter02/init.c
index ff05f147de..922b60eb19 100644
--- a/testsuites/sptests/sptimecounter02/init.c
+++ b/testsuites/sptests/sptimecounter02/init.c
@@ -78,6 +78,8 @@ static rtems_interval test_duration(void)
 
 static uint32_t test_get_timecount_null(struct timecounter *tc)
 {
+  (void) tc;
+
   return 0;
 }
 
@@ -137,6 +139,10 @@ static rtems_interval test_bintime_init(
   size_t active_workers
 )
 {
+  (void) base;
+  (void) arg;
+  (void) active_workers;
+
   rtems_test_spin_until_next_tick();
 
   return test_duration();
@@ -149,6 +155,9 @@ static void test_bintime_body(
   size_t worker_index
 )
 {
+  (void) arg;
+  (void) active_workers;
+
   timecounter_context *ctx = (timecounter_context *) base;
   uint32_t counter = 1;
   struct bintime start;
@@ -171,6 +180,8 @@ static void test_bintime_fini(
   size_t active_workers
 )
 {
+  (void) arg;
+
   timecounter_context *ctx = (timecounter_context *) base;
   size_t i;
 
@@ -190,6 +201,10 @@ static rtems_interval test_bintime_null_init(
   size_t active_workers
 )
 {
+  (void) arg;
+  (void) base;
+  (void) active_workers;
+
   timecounter_context *ctx = &test_instance;
 
   install_tc_null(ctx);
@@ -204,6 +219,9 @@ static void test_bintime_null_body(
   size_t worker_index
 )
 {
+  (void) arg;
+  (void) active_workers;
+
   timecounter_context *ctx = (timecounter_context *) base;
   struct bintime bt;
   uint32_t counter = 0;
@@ -222,6 +240,8 @@ static void test_bintime_null_fini(
   size_t active_workers
 )
 {
+  (void) arg;
+
   test_print_results("Null", (timecounter_context *) base, active_workers);
 }
 
@@ -241,6 +261,8 @@ static const rtems_test_parallel_job timecounter_jobs[] = {
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   timecounter_context *ctx = &test_instance;
   struct bintime bt;
   struct timespec ts;
diff --git a/testsuites/sptests/sptimecounter03/init.c b/testsuites/sptests/sptimecounter03/init.c
index d1a9d58886..90003e97c0 100644
--- a/testsuites/sptests/sptimecounter03/init.c
+++ b/testsuites/sptests/sptimecounter03/init.c
@@ -49,6 +49,10 @@ static rtems_interval test_binuptime_init(
   size_t active_workers
 )
 {
+  (void) ctx;
+  (void) arg;
+  (void) active_workers;
+
   return 10 * rtems_clock_get_ticks_per_second();
 }
 
@@ -59,6 +63,11 @@ static void test_binuptime_body(
   size_t worker_index
 )
 {
+  (void) ctx;
+  (void) arg;
+  (void) active_workers;
+  (void) worker_index;
+
   struct bintime start;
   struct bintime end;
 
@@ -80,6 +89,10 @@ static void test_binuptime_fini(
   size_t active_workers
 )
 {
+  (void) ctx;
+  (void) arg;
+  (void) active_workers;
+
   /* Nothing to do */
 }
 
@@ -94,6 +107,8 @@ static const rtems_test_parallel_job jobs[] = {
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   rtems_test_parallel(&ctx, NULL, &jobs[0], RTEMS_ARRAY_SIZE(jobs));
diff --git a/testsuites/sptests/sptimecounter04/init.c b/testsuites/sptests/sptimecounter04/init.c
index 2a8910b980..222a22a031 100644
--- a/testsuites/sptests/sptimecounter04/init.c
+++ b/testsuites/sptests/sptimecounter04/init.c
@@ -40,6 +40,8 @@ const char rtems_test_name[] = "SPTIMECOUNTER 4";
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   struct timespec real_start;
   struct timespec mono_start;
   struct timespec real_end;
diff --git a/testsuites/sptests/sptimer_err01/init.c b/testsuites/sptests/sptimer_err01/init.c
index e99d9adaf0..b649bef948 100644
--- a/testsuites/sptests/sptimer_err01/init.c
+++ b/testsuites/sptests/sptimer_err01/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   rtems_status_code        status;
@@ -272,6 +274,9 @@ rtems_timer_service_routine Delayed_routine(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   /* Empty routine that gets passed to rtems_timer_fire_when */
 }
 
diff --git a/testsuites/sptests/sptimer_err02/init.c b/testsuites/sptests/sptimer_err02/init.c
index 5b11518075..73097abefb 100644
--- a/testsuites/sptests/sptimer_err02/init.c
+++ b/testsuites/sptests/sptimer_err02/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   TEST_BEGIN();
 
   rtems_status_code        status;
@@ -219,6 +221,9 @@ rtems_timer_service_routine Delayed_routine(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   /* Empty routine that gets passed to rtems_timer_fire_when */
 }
 
diff --git a/testsuites/sptests/sptimerserver01/init.c b/testsuites/sptests/sptimerserver01/init.c
index b921806424..f5b8b75ec0 100644
--- a/testsuites/sptests/sptimerserver01/init.c
+++ b/testsuites/sptests/sptimerserver01/init.c
@@ -53,6 +53,8 @@ static const rtems_time_of_day start = {
 
 static void cancel(rtems_id id, void *arg)
 {
+  (void) id;
+
   test_context *ctx = arg;
   rtems_status_code sc;
 
@@ -65,6 +67,9 @@ static void cancel(rtems_id id, void *arg)
 
 static void never(rtems_id id, void *arg)
 {
+  (void) id;
+  (void) arg;
+
   rtems_test_assert(0);
 }
 
@@ -119,6 +124,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/sptimespec01/init.c b/testsuites/sptests/sptimespec01/init.c
index 94a2e6af60..789e90c752 100644
--- a/testsuites/sptests/sptimespec01/init.c
+++ b/testsuites/sptests/sptimespec01/init.c
@@ -59,6 +59,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   timespec1=&ts1;
   timespec2=&ts2;
 
diff --git a/testsuites/sptests/sptls01/init.c b/testsuites/sptests/sptls01/init.c
index d6beeedf90..ce2da6f7f9 100644
--- a/testsuites/sptests/sptls01/init.c
+++ b/testsuites/sptests/sptls01/init.c
@@ -56,6 +56,8 @@ static void check_tls_item(uint32_t expected)
 
 static void task(rtems_task_argument arg)
 {
+  (void) arg;
+
   rtems_status_code sc;
 
   check_tls_item(123);
@@ -163,6 +165,8 @@ static void test_idle_during_system_init(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   test();
 
   rtems_test_assert(!rtems_stack_checker_is_blown());
diff --git a/testsuites/sptests/sptls02/init.cc b/testsuites/sptests/sptls02/init.cc
index 28ce872d76..cb3b180ed0 100644
--- a/testsuites/sptests/sptls02/init.cc
+++ b/testsuites/sptests/sptls02/init.cc
@@ -275,6 +275,8 @@ static void testWorkerTask()
 
 extern "C" void Init(rtems_task_argument arg)
 {
+	(void) arg;
+
 	TEST_BEGIN();
 
 	printf("A::globalCounter() = %li\n", A::globalCounter());
diff --git a/testsuites/sptests/sptls03/init.c b/testsuites/sptests/sptls03/init.c
index 4d564c0f85..f41943c9a6 100644
--- a/testsuites/sptests/sptls03/init.c
+++ b/testsuites/sptests/sptls03/init.c
@@ -52,6 +52,8 @@ static void test(void)
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
 
   test();
diff --git a/testsuites/sptests/sptls04/init.c b/testsuites/sptests/sptls04/init.c
index bbbe81b9d1..2286aec154 100644
--- a/testsuites/sptests/sptls04/init.c
+++ b/testsuites/sptests/sptls04/init.c
@@ -54,6 +54,8 @@ const char rtems_test_name[] = "SPTLS 4";
 
 static void Init(rtems_task_argument arg)
 {
+  (void) arg;
+
   TEST_BEGIN();
   test();
   TEST_END();
diff --git a/testsuites/sptests/sptree01/init.c b/testsuites/sptests/sptree01/init.c
index 8a06588efa..87bc6ceed1 100644
--- a/testsuites/sptests/sptree01/init.c
+++ b/testsuites/sptests/sptree01/init.c
@@ -41,6 +41,8 @@ const char rtems_test_name[] = "SPTREE 1";
 
 static rtems_task Init( rtems_task_argument ignored )
 {
+  (void) ignored;
+
   TEST_BEGIN();
 
   TEST_END();
diff --git a/testsuites/sptests/spversion01/init.c b/testsuites/sptests/spversion01/init.c
index 5ceadece86..c462b1ce98 100644
--- a/testsuites/sptests/spversion01/init.c
+++ b/testsuites/sptests/spversion01/init.c
@@ -41,6 +41,8 @@ static rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   const char *key;
   const char *valid;
 
diff --git a/testsuites/sptests/spwatchdog/delay.c b/testsuites/sptests/spwatchdog/delay.c
index 7863800687..1dd0c9f9ce 100644
--- a/testsuites/sptests/spwatchdog/delay.c
+++ b/testsuites/sptests/spwatchdog/delay.c
@@ -45,8 +45,12 @@ rtems_timer_service_routine Delayed_resume(
   void     *ignored_address
 )
 {
+  (void) ignored_id;
+  (void) ignored_address;
+
   rtems_status_code status;
 
+
   status = rtems_task_resume( Task_id[ 1 ] );
   directive_failed_with_level( status, "rtems_task_resume of self", 1 );
 }
diff --git a/testsuites/sptests/spwatchdog/init.c b/testsuites/sptests/spwatchdog/init.c
index de84a2963b..2cec029f72 100644
--- a/testsuites/sptests/spwatchdog/init.c
+++ b/testsuites/sptests/spwatchdog/init.c
@@ -256,6 +256,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_time_of_day  time;
   rtems_status_code  status;
 
diff --git a/testsuites/sptests/spwatchdog/task1.c b/testsuites/sptests/spwatchdog/task1.c
index c399055a39..30500a5d19 100644
--- a/testsuites/sptests/spwatchdog/task1.c
+++ b/testsuites/sptests/spwatchdog/task1.c
@@ -46,6 +46,8 @@ rtems_task Task_1(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_id          tmid;
   rtems_status_code status;
 
diff --git a/testsuites/sptests/spwkspace/init.c b/testsuites/sptests/spwkspace/init.c
index 052c46f59c..de6528fe15 100644
--- a/testsuites/sptests/spwkspace/init.c
+++ b/testsuites/sptests/spwkspace/init.c
@@ -79,6 +79,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   void                   *p1;
   bool                    retbool;
   Heap_Information_block  info;