diff --git a/src/backend/utils/mmgr/bump.c b/src/backend/utils/mmgr/bump.c
index 38e8159926..449bd29344 100644
--- a/src/backend/utils/mmgr/bump.c
+++ b/src/backend/utils/mmgr/bump.c
@@ -100,13 +100,6 @@ struct BumpBlock
 #define BumpIsValid(set) \
 	(PointerIsValid(set) && IsA(set, BumpContext))
 
-/*
- * BumpBlockIsValid
- *		True iff block is valid block of a bump context
- */
-#define BumpBlockIsValid(block) \
-	(PointerIsValid(block) && BumpIsValid((block)->context))
-
 /*
  * We always store external chunks on a dedicated block.  This makes fetching
  * the block from an external chunk easy since it's always the first and only