diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
index 9a77945..2f82b1e 100644
--- a/src/backend/access/hash/hashpage.c
+++ b/src/backend/access/hash/hashpage.c
@@ -39,7 +39,6 @@ static bool _hash_alloc_buckets(Relation rel, BlockNumber firstblock,
 static void _hash_splitbucket(Relation rel, Buffer metabuf,
 				  Buffer nbuf,
 				  Bucket obucket, Bucket nbucket,
-				  BlockNumber start_oblkno,
 				  BlockNumber start_nblkno,
 				  uint32 maxbucket,
 				  uint32 highmask, uint32 lowmask);
@@ -666,8 +665,7 @@ _hash_expandtable(Relation rel, Buffer metabuf)
 	/* Relocate records to the new bucket */
 	_hash_splitbucket(rel, metabuf, buf_nblkno,
 					  old_bucket, new_bucket,
-					  start_oblkno, start_nblkno,
-					  maxbucket, highmask, lowmask);
+					  start_oblkno, maxbucket, highmask, lowmask);
 
 	/* Release bucket locks, allowing others to access them */
 	_hash_droplock(rel, start_oblkno, HASH_EXCLUSIVE);
@@ -758,13 +756,11 @@ _hash_splitbucket(Relation rel,
 				  Bucket obucket,
 				  Bucket nbucket,
 				  BlockNumber start_oblkno,
-				  BlockNumber start_nblkno,
 				  uint32 maxbucket,
 				  uint32 highmask,
 				  uint32 lowmask)
 {
 	BlockNumber oblkno;
-	BlockNumber nblkno;
 	Buffer		obuf;
 	Page		opage;
 	Page		npage;
@@ -781,8 +777,6 @@ _hash_splitbucket(Relation rel,
 	opage = BufferGetPage(obuf);
 	oopaque = (HashPageOpaque) PageGetSpecialPointer(opage);
 
-	nblkno = start_nblkno;
-	Assert(nblkno == BufferGetBlockNumber(nbuf));
 	npage = BufferGetPage(nbuf);
 
 	/* initialize the new bucket's primary page */