diff --git a/block.c b/block.c
index 2fcc2f738a..1af74e601b 100644
--- a/block.c
+++ b/block.c
@@ -1314,7 +1314,6 @@ int bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp)
         error_setg_errno(errp, -total_size, "Could not get image size");
         goto out;
     }
-    total_size &= BDRV_SECTOR_MASK;
 
     /* Create the temporary image */
     ret = get_tmp_filename(tmp_filename, PATH_MAX + 1);
diff --git a/block/qcow2.c b/block/qcow2.c
index ad93824c6c..964ab93b08 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1947,7 +1947,6 @@ static int qcow2_write_compressed(BlockDriverState *bs, int64_t sector_num,
         /* align end of file to a sector boundary to ease reading with
            sector based I/Os */
         cluster_offset = bdrv_getlength(bs->file);
-        cluster_offset = (cluster_offset + 511) & ~511;
         bdrv_truncate(bs->file, cluster_offset);
         return 0;
     }