diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9521cb45433f567a000d8792cf256bdf0f397673..36cc5fa683df7123b1b68576ffa122d814c5f706 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4871,7 +4871,6 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
 					       eb->start, level, 1,
 					       &wc->refs[level],
 					       &wc->flags[level]);
-		BUG_ON(ret == -ENOMEM);
 		if (ret)
 			return ret;
 		BUG_ON(wc->refs[level] == 0);