diff --git a/cpukit/include/rtems/score/priorityimpl.h b/cpukit/include/rtems/score/priorityimpl.h
index f6e7f10029..a45a2268a5 100644
--- a/cpukit/include/rtems/score/priorityimpl.h
+++ b/cpukit/include/rtems/score/priorityimpl.h
@@ -335,7 +335,9 @@ static inline void _Priority_Set_action_node(
   Priority_Node        *node
 )
 {
+#if defined(RTEMS_SMP)
   _Assert( aggregation->Action.next == NULL );
+#endif
   aggregation->Action.node = node;
 }
 
@@ -350,7 +352,9 @@ static inline void _Priority_Set_action_type(
   Priority_Action_type  type
 )
 {
+#if defined(RTEMS_SMP)
   _Assert( aggregation->Action.next == NULL );
+#endif
   aggregation->Action.type = type;
 }
 
@@ -368,7 +372,9 @@ static inline void _Priority_Set_action(
   Priority_Action_type  type
 )
 {
+#if defined(RTEMS_SMP)
   _Assert( aggregation->Action.next == NULL );
+#endif
   aggregation->Action.node = node;
   aggregation->Action.type = type;
 }
diff --git a/cpukit/score/src/threadqops.c b/cpukit/score/src/threadqops.c
index e469241eab..ff26b8e66b 100644
--- a/cpukit/score/src/threadqops.c
+++ b/cpukit/score/src/threadqops.c
@@ -68,7 +68,7 @@ void _Thread_queue_Do_nothing_priority_actions(
   Priority_Actions   *priority_actions
 )
 {
-#if defined(RTEMS_DEBUG)
+#if defined(RTEMS_DEBUG) && defined(RTEMS_SMP)
   Priority_Aggregation *priority_aggregation;
 
   priority_aggregation = _Priority_Actions_move( priority_actions );