diff --git a/cpukit/score/include/rtems/score/threaddispatch.h b/cpukit/score/include/rtems/score/threaddispatch.h
index 170067534a..7d25aedc72 100644
--- a/cpukit/score/include/rtems/score/threaddispatch.h
+++ b/cpukit/score/include/rtems/score/threaddispatch.h
@@ -22,8 +22,7 @@
 extern "C" {
 #endif /* __cplusplus */
 
-#if defined(RTEMS_SMP) || \
-    defined(RTEMS_HEAVY_STACK_DEBUG) || \
+#if defined(RTEMS_HEAVY_STACK_DEBUG) || \
     defined(RTEMS_HEAVY_MALLOC_DEBUG)
   #define __THREAD_DO_NOT_INLINE_DISABLE_DISPATCH__
 #endif