diff --git a/testsuites/samples/base_sp/init.c b/testsuites/samples/base_sp/init.c
index ad8b1c41b8..91bba607f8 100644
--- a/testsuites/samples/base_sp/init.c
+++ b/testsuites/samples/base_sp/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_name        task_name;
   rtems_id          tid;
   rtems_status_code status;
diff --git a/testsuites/samples/capture/init.c b/testsuites/samples/capture/init.c
index 78b1082b7f..ddd0d25cb4 100644
--- a/testsuites/samples/capture/init.c
+++ b/testsuites/samples/capture/init.c
@@ -46,6 +46,9 @@ volatile int can_proceed = 1;
 
 static void notification(int fd, int seconds_remaining, void *arg)
 {
+  (void) fd;
+  (void) arg;
+
   printf(
     "Press any key to start capture engine (%is remaining)\n",
     seconds_remaining
@@ -56,6 +59,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_status_code   status;
   rtems_task_priority old_priority;
   rtems_mode          old_mode;
diff --git a/testsuites/samples/capture/test1.c b/testsuites/samples/capture/test1.c
index 9a538e27fe..ee0f5c4f13 100644
--- a/testsuites/samples/capture/test1.c
+++ b/testsuites/samples/capture/test1.c
@@ -91,6 +91,8 @@ capture_CT1a (rtems_task_argument arg)
 static void
 capture_CT1b (rtems_task_argument arg)
 {
+  (void) arg;
+
   volatile int i;
 
   while (!capture_CT1c_deleted)
@@ -130,6 +132,11 @@ capture_test_1 (int                                argc,
                 const rtems_monitor_command_arg_t* command_arg,
                 bool                               verbose)
 {
+  (void) argc;
+  (void) argv;
+  (void) command_arg;
+  (void) verbose;
+
   rtems_status_code sc;
   rtems_name        name;
   rtems_id          id[3];
diff --git a/testsuites/samples/fileio/init.c b/testsuites/samples/fileio/init.c
index 084d54d81a..bb94480b70 100644
--- a/testsuites/samples/fileio/init.c
+++ b/testsuites/samples/fileio/init.c
@@ -238,6 +238,9 @@ shell_nvdisk_erase (int argc, char* argv[])
 static int
 shell_bdbuf_trace (int argc, char* argv[])
 {
+  (void) argc;
+  (void) argv;
+
 #if RTEMS_BDBUF_TRACE
   extern bool rtems_bdbuf_tracer;
   rtems_bdbuf_tracer = !rtems_bdbuf_tracer;
@@ -1144,12 +1147,17 @@ static void fileio_menu (void)
 static rtems_task
 fileio_task (rtems_task_argument ignored)
 {
+  (void) ignored;
+
   fileio_menu();
 }
 
 static void
 notification (int fd, int seconds_remaining, void *arg)
 {
+  (void) fd;
+  (void) arg;
+
   printf(
     "Press any key to start file I/O sample (%is remaining)\n",
     seconds_remaining
@@ -1162,6 +1170,8 @@ notification (int fd, int seconds_remaining, void *arg)
 rtems_task
 Init (rtems_task_argument ignored)
 {
+  (void) ignored;
+
   rtems_name Task_name;
   rtems_id   Task_id;
   rtems_status_code status;
diff --git a/testsuites/samples/hello/init.c b/testsuites/samples/hello/init.c
index 83f6342ab3..c9f07118c5 100644
--- a/testsuites/samples/hello/init.c
+++ b/testsuites/samples/hello/init.c
@@ -39,6 +39,8 @@ static rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_print_printer_fprintf_putc(&rtems_test_printer);
   TEST_BEGIN();
   printf( "Hello World\n" );
diff --git a/testsuites/samples/iostream/init.cc b/testsuites/samples/iostream/init.cc
index ddd38a9d15..579c040d76 100644
--- a/testsuites/samples/iostream/init.cc
+++ b/testsuites/samples/iostream/init.cc
@@ -52,6 +52,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   TEST_BEGIN();
   std::cout << "Hello World" << std::endl;
   TEST_END();
diff --git a/testsuites/samples/minimum/init.c b/testsuites/samples/minimum/init.c
index ee14a1aef4..990bc6355b 100644
--- a/testsuites/samples/minimum/init.c
+++ b/testsuites/samples/minimum/init.c
@@ -41,6 +41,8 @@
 
 static void *Init( uintptr_t ignored )
 {
+  (void) ignored;
+
   /* initialize application */
 
   /* Real application would call idle loop functionality */
diff --git a/testsuites/samples/nsecs/init.c b/testsuites/samples/nsecs/init.c
index 6f63cbd51f..650394e1e5 100644
--- a/testsuites/samples/nsecs/init.c
+++ b/testsuites/samples/nsecs/init.c
@@ -79,6 +79,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_time_of_day time;
   int index;
diff --git a/testsuites/samples/paranoia/init.c b/testsuites/samples/paranoia/init.c
index b40ad9e0bc..fdeb675a8b 100644
--- a/testsuites/samples/paranoia/init.c
+++ b/testsuites/samples/paranoia/init.c
@@ -45,6 +45,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   /*
    *  Install whatever optional floating point assistance package
    *  is required by this CPU.
diff --git a/testsuites/samples/paranoia/paranoia.c b/testsuites/samples/paranoia/paranoia.c
index b9cd949a83..8f8557df71 100644
--- a/testsuites/samples/paranoia/paranoia.c
+++ b/testsuites/samples/paranoia/paranoia.c
@@ -355,6 +355,10 @@ main (
   char **argv
 )
 {
+#ifdef __rtems__
+    (void) argc;
+#endif
+
     /* First two assignments use integer right-hand sides. */
     Zero = 0;
     One = 1;
diff --git a/testsuites/samples/ticker/init.c b/testsuites/samples/ticker/init.c
index 86f87ad736..8cccbf4955 100644
--- a/testsuites/samples/ticker/init.c
+++ b/testsuites/samples/ticker/init.c
@@ -46,6 +46,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_status_code status;
   rtems_time_of_day time;
 
diff --git a/testsuites/samples/ticker/tasks.c b/testsuites/samples/ticker/tasks.c
index 26fe228646..92c17ede4a 100644
--- a/testsuites/samples/ticker/tasks.c
+++ b/testsuites/samples/ticker/tasks.c
@@ -44,6 +44,8 @@ rtems_task Test_task(
   rtems_task_argument unused
 )
 {
+  (void) unused;
+
   rtems_id          tid;
   rtems_time_of_day time;
   uint32_t          task_index;
diff --git a/testsuites/samples/unlimited/init.c b/testsuites/samples/unlimited/init.c
index c80ec87786..63236fc2e1 100644
--- a/testsuites/samples/unlimited/init.c
+++ b/testsuites/samples/unlimited/init.c
@@ -45,6 +45,8 @@ rtems_task Init(
   rtems_task_argument ignored
 )
 {
+  (void) ignored;
+
   rtems_task_priority old_priority;
   rtems_mode          old_mode;
   uint32_t            task;