diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 930cc03ee2..66ed24e401 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -536,8 +536,6 @@ RelationBuildTupleDesc(Relation relation)
 
 	constr = (TupleConstr *) MemoryContextAllocZero(CacheMemoryContext,
 													sizeof(TupleConstr));
-	constr->has_not_null = false;
-	constr->has_generated_stored = false;
 
 	/*
 	 * Form a scan key that selects only user attributes (attnum > 0).