diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index 07960529b360108310ab55562bfbe99eea251e53..6e2596ddae1002ab4eda062b24a661734ff5c37a 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -13,7 +13,6 @@ struct btrfs_fs_info;
 struct btrfs_workqueue;
 struct btrfs_work;
 typedef void (*btrfs_func_t)(struct btrfs_work *arg);
-typedef void (*btrfs_work_func_t)(struct work_struct *arg);
 
 struct btrfs_work {
 	btrfs_func_t func;
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 72966cf21961ef99e73379c4c8a151565dde5329..c0f1fb63eeae791ddd5bc53d96f5e2783dbdc313 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -142,10 +142,6 @@ static inline void extent_changeset_free(struct extent_changeset *changeset)
 
 struct extent_map_tree;
 
-typedef struct extent_map *(get_extent_t)(struct btrfs_inode *inode,
-					  struct page *page, size_t pg_offset,
-					  u64 start, u64 len);
-
 int try_release_extent_mapping(struct page *page, gfp_t mask);
 int try_release_extent_buffer(struct page *page);