diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 9a62bc5..f4bf787 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2767,8 +2767,7 @@ void btrfs_free_reserved_data_space_noquota(struct inode *inode, u64 start,
 void btrfs_trans_release_chunk_metadata(struct btrfs_trans_handle *trans);
 int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
 				     struct btrfs_block_rsv *rsv,
-				     int nitems,
-				     u64 *qgroup_reserved, bool use_global_rsv);
+				     int nitems, bool use_global_rsv);
 void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info,
 				      struct btrfs_block_rsv *rsv);
 void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes,