diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 9f4d9432d38a196ef4db01996055ee65b1ff3e0f..b9d15c3df3cc193ba10cf88761d45027ee6de346 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -1668,8 +1668,7 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key)
 	maxkey = nilfs_btree_node_get_key(node, nchildren - 1);
 	nextmaxkey = (nchildren > 1) ?
 		nilfs_btree_node_get_key(node, nchildren - 2) : 0;
-	if (bh != NULL)
-		brelse(bh);
+	brelse(bh);
 
 	return (maxkey == key) && (nextmaxkey < NILFS_BMAP_LARGE_LOW);
 }
@@ -1717,8 +1716,7 @@ static int nilfs_btree_gather_data(struct nilfs_bmap *btree,
 		ptrs[i] = le64_to_cpu(dptrs[i]);
 	}
 
-	if (bh != NULL)
-		brelse(bh);
+	brelse(bh);
 
 	return nitems;
 }