diff --git a/cpukit/libdebugger/rtems-debugger-arm.c b/cpukit/libdebugger/rtems-debugger-arm.c
index ebedbe3c7a..79f92bd990 100644
--- a/cpukit/libdebugger/rtems-debugger-arm.c
+++ b/cpukit/libdebugger/rtems-debugger-arm.c
@@ -546,6 +546,8 @@ arm_debug_authentication(uint32_t dbgauthstatus)
 static int
 arm_debug_cp14_enable(rtems_debugger_target* target)
 {
+  (void) target;
+
   uint32_t val;
   ARM_CP14_READ(val, 7, 14, 6);
   if (!arm_debug_authentication(val))
@@ -856,6 +858,8 @@ arm_debug_rom_discover(uint32_t* rom, uint32_t comp, uint32_t** addr, int* index
 static int
 arm_debug_mmap_enable(rtems_debugger_target* target, uint32_t dbgdidr)
 {
+  (void) target;
+
   uint32_t val;
   int      rc = -1;
 
@@ -1220,6 +1224,8 @@ arm_debug_set_context_id(const uint32_t id)
 {
 #if ARM_CP15
   ARM_CP15_WRITE(id, 0, 13, 0, 1);
+#else
+  (void) id;
 #endif
 }
 
@@ -1333,6 +1339,8 @@ rtems_debugger_target_configure(rtems_debugger_target* target)
 static void
 target_print_frame(CPU_Exception_frame* frame)
 {
+  (void) frame;
+
   EXC_FRAME_PRINT(target_printk, "[} ", frame);
 }
 
diff --git a/cpukit/libdl/rtl-mdreloc-arm.c b/cpukit/libdl/rtl-mdreloc-arm.c
index 1ca0af34e1..6bf68967cc 100644
--- a/cpukit/libdl/rtl-mdreloc-arm.c
+++ b/cpukit/libdl/rtl-mdreloc-arm.c
@@ -158,6 +158,8 @@ uint32_t
 rtems_rtl_elf_section_flags (const rtems_rtl_obj* obj,
                              const Elf_Shdr*      shdr)
 {
+  (void) obj;
+
   uint32_t flags = 0;
   if (shdr->sh_type == SHT_ARM_EXIDX)
     flags = RTEMS_RTL_OBJ_SECT_EH | RTEMS_RTL_OBJ_SECT_LOAD;
@@ -199,6 +201,8 @@ rtems_rtl_elf_arch_section_free (const rtems_rtl_obj* obj,
 bool
 rtems_rtl_elf_rel_resolve_sym (Elf_Word type)
 {
+  (void) type;
+
   return true;
 }
 
@@ -247,6 +251,9 @@ rtems_rtl_elf_reloc_rel (rtems_rtl_obj*            obj,
                          const Elf_Word            symvalue,
                          const bool                parsing)
 {
+  (void) symname;
+  (void) syminfo;
+
   Elf_Addr *where;
   Elf_Addr tmp;
   Elf_Word insn, addend;
diff --git a/cpukit/libdl/rtl-unwind-arm.c b/cpukit/libdl/rtl-unwind-arm.c
index 35361fe8d5..41656a8f30 100644
--- a/cpukit/libdl/rtl-unwind-arm.c
+++ b/cpukit/libdl/rtl-unwind-arm.c
@@ -5,6 +5,10 @@ rtems_rtl_elf_unwind_parse (const rtems_rtl_obj* obj,
                             const char*          name,
                             uint32_t             flags)
 {
+  (void) obj;
+  (void) name;
+  (void) flags;
+
   /*
    * We location the EH sections in section flags.
    */
@@ -14,6 +18,8 @@ rtems_rtl_elf_unwind_parse (const rtems_rtl_obj* obj,
 bool
 rtems_rtl_elf_unwind_register (rtems_rtl_obj* obj)
 {
+  (void) obj;
+
   return true;
 }
 
diff --git a/cpukit/score/cpu/arm/arm-exception-frame-print.c b/cpukit/score/cpu/arm/arm-exception-frame-print.c
index b089648184..f519a0ff10 100644
--- a/cpukit/score/cpu/arm/arm-exception-frame-print.c
+++ b/cpukit/score/cpu/arm/arm-exception-frame-print.c
@@ -73,6 +73,8 @@ static void _ARM_VFP_context_print( const ARM_VFP_context *vfp_context )
       printk( "D%02i = 0x%08" PRIx32 "%08" PRIx32 "\n", i, high, low );
     }
   }
+#else
+  (void) vfp_context;
 #endif
 }
 
diff --git a/cpukit/score/cpu/arm/armv7-thread-idle.c b/cpukit/score/cpu/arm/armv7-thread-idle.c
index 720cb2be83..22f97b2f8a 100644
--- a/cpukit/score/cpu/arm/armv7-thread-idle.c
+++ b/cpukit/score/cpu/arm/armv7-thread-idle.c
@@ -43,6 +43,8 @@
 
 void *_CPU_Thread_Idle_body( uintptr_t ignored )
 {
+  (void) ignored;
+
   while ( true ) {
 #ifdef ARM_MULTILIB_HAS_WFI
     __asm__ volatile ("wfi");
diff --git a/cpukit/score/cpu/arm/armv7m-context-initialize.c b/cpukit/score/cpu/arm/armv7m-context-initialize.c
index d67bcf93b5..1bc5637a1a 100644
--- a/cpukit/score/cpu/arm/armv7m-context-initialize.c
+++ b/cpukit/score/cpu/arm/armv7m-context-initialize.c
@@ -56,6 +56,9 @@ void _CPU_Context_Initialize(
   void *tls_area
 )
 {
+  (void) new_level;
+  (void) is_fp;
+
   char *stack_area_end = (char *) stack_area_begin + stack_area_size;
 
   memset(context, 0, sizeof(*context));
diff --git a/cpukit/score/cpu/arm/armv7m-context-restore.c b/cpukit/score/cpu/arm/armv7m-context-restore.c
index b888abe29f..726b924822 100644
--- a/cpukit/score/cpu/arm/armv7m-context-restore.c
+++ b/cpukit/score/cpu/arm/armv7m-context-restore.c
@@ -47,6 +47,8 @@ void __attribute__((naked)) _CPU_Context_restore(
   Context_Control *heir
 )
 {
+  (void) heir;
+
   __asm__ volatile (
     "movw r2, #:lower16:_Per_CPU_Information\n"
     "movt r2, #:upper16:_Per_CPU_Information\n"
diff --git a/cpukit/score/cpu/arm/armv7m-context-switch.c b/cpukit/score/cpu/arm/armv7m-context-switch.c
index 74d6b953ef..52f373e37a 100644
--- a/cpukit/score/cpu/arm/armv7m-context-switch.c
+++ b/cpukit/score/cpu/arm/armv7m-context-switch.c
@@ -48,6 +48,9 @@ void __attribute__((naked)) _CPU_Context_switch(
   Context_Control *heir
 )
 {
+  (void) executing;
+  (void) heir;
+
   __asm__ volatile (
     "movw r2, #:lower16:_Per_CPU_Information\n"
     "movt r2, #:upper16:_Per_CPU_Information\n"
diff --git a/cpukit/score/cpu/arm/armv7m-isr-level-set.c b/cpukit/score/cpu/arm/armv7m-isr-level-set.c
index 72c9684025..a149b1bfe2 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-level-set.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-level-set.c
@@ -43,6 +43,8 @@
 
 void _CPU_ISR_Set_level( uint32_t level )
 {
+  (void) level;
+
   _ARMV7M_Set_basepri( 0 );
 }
 
diff --git a/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c b/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
index a9b59dec84..ad916ae42e 100644
--- a/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
+++ b/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
@@ -46,6 +46,8 @@ void __attribute__((naked)) _ARMV7M_Start_multitasking(
   Context_Control *heir
 )
 {
+  (void) heir;
+
   __asm__ volatile (
     /* Restore heir context */
     "ldr r2, [r0, %[spctxoff]]\n"
diff --git a/cpukit/score/cpu/arm/cpu.c b/cpukit/score/cpu/arm/cpu.c
index 5312eb13bf..07b8bfe5ae 100644
--- a/cpukit/score/cpu/arm/cpu.c
+++ b/cpukit/score/cpu/arm/cpu.c
@@ -141,6 +141,7 @@ void _CPU_Context_Initialize(
 )
 {
   (void) new_level;
+  (void) is_fp;
 
   the_context->register_sp = (uint32_t) stack_area_begin + stack_area_size;
   the_context->register_lr = (uint32_t) entry_point;