diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index fe91305e12fbc0756da6429e4c9e2189740a143f..82b4829f00b8202e23226708e795e1cdc172ed24 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -186,7 +186,6 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 offset,
 			return parent;
 	}
 
-	entry = rb_entry(node, struct tree_entry, rb_node);
 	rb_link_node(node, parent, p);
 	rb_insert_color(node, root);
 	return NULL;