diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 4e3843f7d24592cc596df1fc6d6c4577a9a6f57f..d1d5363b17f4d1ac0da467a015f2c042f9f1e4ee 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2695,7 +2695,6 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
 			    !conf->fullsync &&
 			    !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
 				break;
-			BUG_ON(sync_blocks < (PAGE_SIZE>>9));
 			if ((len >> 9) > sync_blocks)
 				len = sync_blocks<<9;
 		}