diff --git a/bsps/powerpc/qoriq/btimer/btimer.c b/bsps/powerpc/qoriq/btimer/btimer.c
index bb103faf7d..868d34a7af 100644
--- a/bsps/powerpc/qoriq/btimer/btimer.c
+++ b/bsps/powerpc/qoriq/btimer/btimer.c
@@ -51,5 +51,7 @@ benchmark_timer_t benchmark_timer_read(void)
 
 void benchmark_timer_disable_subtracting_average_overhead(bool find_average_overhead)
 {
+  (void) find_average_overhead;
+
   /* VOID */
 }
diff --git a/bsps/powerpc/qoriq/clock/clock-config.c b/bsps/powerpc/qoriq/clock/clock-config.c
index 40a7daa353..527a169cf5 100644
--- a/bsps/powerpc/qoriq/clock/clock-config.c
+++ b/bsps/powerpc/qoriq/clock/clock-config.c
@@ -141,6 +141,8 @@ static void qoriq_clock_handler_install(rtems_interrupt_handler handler)
 
 static uint32_t qoriq_clock_get_timecount(struct timecounter *tc)
 {
+  (void) tc;
+
   uint32_t ccr = qoriq_timecounter->ccr;
 
   return GTCCR_COUNT_GET(-ccr);
diff --git a/bsps/powerpc/qoriq/console/uart-bridge-master.c b/bsps/powerpc/qoriq/console/uart-bridge-master.c
index c468b05855..3c31256823 100644
--- a/bsps/powerpc/qoriq/console/uart-bridge-master.c
+++ b/bsps/powerpc/qoriq/console/uart-bridge-master.c
@@ -177,6 +177,11 @@ static bool first_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) tty;
+  (void) base;
+  (void) term;
+  (void) args;
+
   return false;
 }
 
@@ -185,6 +190,9 @@ static bool set_attributes(
   const struct termios *term
 )
 {
+  (void) base;
+  (void) term;
+
   return false;
 }
 
diff --git a/bsps/powerpc/qoriq/console/uart-bridge-slave.c b/bsps/powerpc/qoriq/console/uart-bridge-slave.c
index 778db75171..cf3e991d9d 100644
--- a/bsps/powerpc/qoriq/console/uart-bridge-slave.c
+++ b/bsps/powerpc/qoriq/console/uart-bridge-slave.c
@@ -138,6 +138,9 @@ static bool first_open(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) term;
+  (void) args;
+
   uart_bridge_slave_context *ctx = (uart_bridge_slave_context *) base;
   intercom_type type = ctx->type;
 
@@ -155,6 +158,9 @@ static void last_close(
   rtems_libio_open_close_args_t *args
 )
 {
+  (void) tty;
+  (void) args;
+
   uart_bridge_slave_context *ctx = (uart_bridge_slave_context *) base;
 
   qoriq_intercom_service_remove(ctx->type);
@@ -196,6 +202,9 @@ static bool set_attributes(
   const struct termios *term
 )
 {
+  (void) base;
+  (void) term;
+
   return false;
 }
 
diff --git a/bsps/powerpc/qoriq/include/asm/epapr_hcalls.h b/bsps/powerpc/qoriq/include/asm/epapr_hcalls.h
index 3d87cca611..a160b8056d 100644
--- a/bsps/powerpc/qoriq/include/asm/epapr_hcalls.h
+++ b/bsps/powerpc/qoriq/include/asm/epapr_hcalls.h
@@ -500,6 +500,10 @@ static unsigned long epapr_hypercall(unsigned long *in,
 				   unsigned long *out,
 				   unsigned long nr)
 {
+	(void) in;
+	(void) out;
+	(void) nr;
+
 	return EV_UNIMPLEMENTED;
 }
 #endif
diff --git a/bsps/powerpc/qoriq/irq/irq.c b/bsps/powerpc/qoriq/irq/irq.c
index 1355599645..72e209797e 100644
--- a/bsps/powerpc/qoriq/irq/irq.c
+++ b/bsps/powerpc/qoriq/irq/irq.c
@@ -552,6 +552,8 @@ rtems_status_code bsp_interrupt_raise_on(
 
 rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
 {
+  (void) vector;
+
   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
   return RTEMS_UNSATISFIED;
 }
@@ -587,6 +589,8 @@ rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
 
 void bsp_interrupt_dispatch(uintptr_t exception_number)
 {
+	(void) exception_number;
+
 	while (true) {
 		rtems_vector_number vector = qoriq.pic.iack;
 		uint32_t msr;
diff --git a/bsps/powerpc/qoriq/mpci/intercom.c b/bsps/powerpc/qoriq/mpci/intercom.c
index a27647c22e..681e5f7a11 100644
--- a/bsps/powerpc/qoriq/mpci/intercom.c
+++ b/bsps/powerpc/qoriq/mpci/intercom.c
@@ -161,6 +161,8 @@ void qoriq_intercom_free_packet(intercom_packet *packet)
 
 static void default_service(intercom_packet *packet, void *arg)
 {
+	(void) arg;
+
 	qoriq_intercom_free_packet(packet);
 }
 
@@ -200,6 +202,8 @@ static void process_core_fifo(core_fifo *fifo, intercom_service *services, void
 
 static void intercom_task(rtems_task_argument arg)
 {
+	(void) arg;
+
 	uint32_t self = ppc_processor_id();
 	free_list *free_lists = &intercom->free_lists [0];
 	intercom_service *services = &intercom->services [self][0];
diff --git a/bsps/powerpc/qoriq/rtc/rtc-config.c b/bsps/powerpc/qoriq/rtc/rtc-config.c
index 9d91c3b7ba..15f1f098bb 100644
--- a/bsps/powerpc/qoriq/rtc/rtc-config.c
+++ b/bsps/powerpc/qoriq/rtc/rtc-config.c
@@ -39,21 +39,31 @@
 
 static void qoriq_rtc_initialize(int minor)
 {
+  (void) minor;
+
   /* FIXME */
 }
 
 static int qoriq_rtc_get_time(int minor, rtems_time_of_day *tod)
 {
+  (void) minor;
+  (void) tod;
+
   return -1;
 }
 
 static int qoriq_rtc_set_time(int minor, const rtems_time_of_day *tod)
 {
+  (void) minor;
+  (void) tod;
+
   return -1;
 }
 
 static bool qoriq_rtc_probe(int minor)
 {
+  (void) minor;
+
   return false;
 }
 
diff --git a/bsps/powerpc/qoriq/start/bspsmp.c b/bsps/powerpc/qoriq/start/bspsmp.c
index 2b85ba7a88..d870ed91c1 100644
--- a/bsps/powerpc/qoriq/start/bspsmp.c
+++ b/bsps/powerpc/qoriq/start/bspsmp.c
@@ -92,6 +92,8 @@ static void start_thread_if_necessary(uint32_t cpu_index_self)
       PPC_SET_SPECIAL_PURPOSE_REGISTER(FSL_EIS_TENS, 1U << i);
     }
   }
+#else
+  (void) cpu_index_self;
 #endif
 }
 
@@ -111,6 +113,8 @@ void bsp_start_on_secondary_processor(Per_CPU_Control *cpu_self)
 #ifndef QORIQ_IS_HYPERVISOR_GUEST
 static void bsp_inter_processor_interrupt(void *arg)
 {
+  (void) arg;
+
   _SMP_Inter_processor_interrupt_handler(_Per_CPU_Get());
 }
 #endif
diff --git a/bsps/powerpc/qoriq/start/bspstart.c b/bsps/powerpc/qoriq/start/bspstart.c
index 01dc5c57be..b5f736e993 100644
--- a/bsps/powerpc/qoriq/start/bspstart.c
+++ b/bsps/powerpc/qoriq/start/bspstart.c
@@ -197,6 +197,8 @@ void bsp_start(void)
 
 uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
 {
+  (void) icells;
+
 #ifndef QORIQ_IS_HYPERVISOR_GUEST
   return intr[0] - 16;
 #else