diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 6cdc6d0e8525..27aa9b58b001 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3167,15 +3167,6 @@ void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
 				     struct extent_map *em);
 
 /* inode.c */
-struct btrfs_delalloc_work {
-	struct inode *inode;
-	struct completion completion;
-	struct list_head list;
-	struct btrfs_work work;
-};
-
-struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode);
-
 struct extent_map *btrfs_get_extent_fiemap(struct btrfs_inode *inode,
 		struct page *page, size_t pg_offset, u64 start,
 		u64 len, int create);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4e10bb1f300e..29374d31f1de 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -10146,6 +10146,13 @@ static int btrfs_rename2(struct inode *old_dir, struct dentry *old_dentry,
 	return btrfs_rename(old_dir, old_dentry, new_dir, new_dentry, flags);
 }
 
+struct btrfs_delalloc_work {
+	struct inode *inode;
+	struct completion completion;
+	struct list_head list;
+	struct btrfs_work work;
+};
+
 static void btrfs_run_delalloc_work(struct btrfs_work *work)
 {
 	struct btrfs_delalloc_work *delalloc_work;
@@ -10163,7 +10170,7 @@ static void btrfs_run_delalloc_work(struct btrfs_work *work)
 	complete(&delalloc_work->completion);
 }
 
-struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode)
+static struct btrfs_delalloc_work *btrfs_alloc_delalloc_work(struct inode *inode)
 {
 	struct btrfs_delalloc_work *work;