diff --git a/event_groups.c b/event_groups.c
index 6f486792bbb..e57e1df0492 100644
--- a/event_groups.c
+++ b/event_groups.c
@@ -105,9 +105,8 @@ static BaseType_t prvTestWaitCondition( const EventBits_t uxCurrentEventBits,
             /* Sanity check that the size of the structure used to declare a
              * variable of type StaticEventGroup_t equals the size of the real
              * event group structure. */
-            volatile size_t xSize = sizeof( StaticEventGroup_t );
-            configASSERT( xSize == sizeof( EventGroup_t ) );
-        } /*lint !e529 xSize is referenced if configASSERT() is defined. */
+            configASSERT( sizeof( StaticEventGroup_t ) == sizeof( EventGroup_t ) );
+        }
         #endif /* configASSERT_DEFINED */
 
         /* The user has provided a statically allocated event group - use it. */