diff --git a/[refs] b/[refs]
index f12bcb7b920a..6bd884096b14 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c8bee1d7ca47fc75b6bd24a8085c525a2394c02
+refs/heads/master: 9a5e1ea1e1e539e244a54afffc330fc368376ab9
diff --git a/trunk/fs/btrfs/ref-cache.c b/trunk/fs/btrfs/ref-cache.c
index c5809988c875..30fcb7aea5b5 100644
--- a/trunk/fs/btrfs/ref-cache.c
+++ b/trunk/fs/btrfs/ref-cache.c
@@ -67,7 +67,6 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 bytenr,
 	while(*p) {
 		parent = *p;
 		entry = rb_entry(parent, struct btrfs_leaf_ref, rb_node);
-		WARN_ON(!entry->in_tree);
 
 		if (bytenr < entry->bytenr)
 			p = &(*p)->rb_left;