diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0108585d838d..8b7b7a212da0 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -42,7 +42,6 @@ struct btrfs_delayed_ref_root;
 struct btrfs_space_info;
 struct btrfs_block_group;
 extern struct kmem_cache *btrfs_trans_handle_cachep;
-extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
 extern struct kmem_cache *btrfs_free_space_cachep;
 extern struct kmem_cache *btrfs_free_space_bitmap_cachep;