diff --git a/testsuites/samples/base_mp/initimpl.h b/testsuites/samples/base_mp/initimpl.h
index 93ac5fa0d0..f653d9de5c 100644
--- a/testsuites/samples/base_mp/initimpl.h
+++ b/testsuites/samples/base_mp/initimpl.h
@@ -45,6 +45,8 @@ rtems_task Init(
   rtems_task_argument argument
 )
 {
+  (void) argument;
+
   rtems_name        task_name;
   rtems_id          tid;
   rtems_status_code status;