diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index c405af1e7a2a..d4ff37557324 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5359,7 +5359,6 @@ static noinline int walk_down_proc(struct btrfs_trans_handle *trans,
 					       &wc->refs[level],
 					       &wc->flags[level],
 					       NULL);
-		BUG_ON(ret == -ENOMEM);
 		if (ret)
 			return ret;
 		if (unlikely(wc->refs[level] == 0)) {