diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c
new file mode 100644
index 642c894..696beda
*** a/src/backend/access/nbtree/nbtsearch.c
--- b/src/backend/access/nbtree/nbtsearch.c
*************** _bt_drop_lock_and_maybe_pin(IndexScanDes
*** 58,63 ****
--- 58,64 ----
  {
  	LockBuffer(sp->buf, BUFFER_LOCK_UNLOCK);
  
+ #if 0
  	if (IsMVCCSnapshot(scan->xs_snapshot) &&
  		RelationNeedsWAL(scan->indexRelation) &&
  		!scan->xs_want_itup)
*************** _bt_drop_lock_and_maybe_pin(IndexScanDes
*** 65,70 ****
--- 66,72 ----
  		ReleaseBuffer(sp->buf);
  		sp->buf = InvalidBuffer;
  	}
+ #endif
  }