1 files changed, 2 insertions, 2 deletions
diff --git a/cpukit/libcsupport/src/rtems_heap_null_extend.c b/cpukit/libcsupport/src/rtems_heap_null_extend.c
index d36e00bbe3..329956cbf5 100644
--- a/cpukit/libcsupport/src/rtems_heap_null_extend.c
+++ b/cpukit/libcsupport/src/rtems_heap_null_extend.c
@@ -19,8 +19,8 @@
 #include <rtems/malloc.h>
 
 void *rtems_heap_null_extend(
-  Heap_Control *heap __attribute__((unused)),
-  size_t alloc_size __attribute__((unused))
+  Heap_Control *heap RTEMS_UNUSED,
+  size_t alloc_size RTEMS_UNUSED
 )
 {
   return NULL;