diff --git a/src/backend/storage/smgr/smgr.c b/src/backend/storage/smgr/smgr.c
index dba8c39..91a22f1 100644
--- a/src/backend/storage/smgr/smgr.c
+++ b/src/backend/storage/smgr/smgr.c
@@ -646,12 +646,6 @@ void
 smgrtruncate(SMgrRelation reln, ForkNumber forknum, BlockNumber nblocks)
 {
 	/*
-	 * Get rid of any buffers for the about-to-be-deleted blocks. bufmgr will
-	 * just drop them without bothering to write the contents.
-	 */
-	DropRelFileNodeBuffers(reln->smgr_rnode, forknum, nblocks);
-
-	/*
 	 * Send a shared-inval message to force other backends to close any smgr
 	 * references they may have for this rel.  This is useful because they
 	 * might have open file pointers to segments that got removed, and/or