diff --git a/src/backend/access/heap/pruneheap.c b/src/backend/access/heap/pruneheap.c
index b146119d7af..29f4722b02d 100644
--- a/src/backend/access/heap/pruneheap.c
+++ b/src/backend/access/heap/pruneheap.c
@@ -948,9 +948,10 @@ heap_page_fix_vm_corruption(PruneState *prstate, OffsetNumber offnum,
 	if (do_clear_vm)
 	{
 		LockBuffer(prstate->vmbuffer, BUFFER_LOCK_EXCLUSIVE);
-		visibilitymap_clear(prstate->relation->rd_locator, prstate->block,
-							prstate->vmbuffer,
-							VISIBILITYMAP_VALID_BITS);
+		/* This VM clear is not WAL-logged, so its return value is not needed. */
+		(void) visibilitymap_clear(prstate->relation->rd_locator,
+								   prstate->block, prstate->vmbuffer,
+								   VISIBILITYMAP_VALID_BITS);
 		LockBuffer(prstate->vmbuffer, BUFFER_LOCK_UNLOCK);
 		prstate->old_vmbits = 0;
 	}