diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index b5957c8274dd..de6489f0a145 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1084,15 +1084,6 @@ void fuse_send_init(struct fuse_mount *fm);
  */
 int fuse_fill_super_common(struct super_block *sb, struct fuse_fs_context *ctx);
 
-/*
- * Fill in superblock for submounts
- * @sb: partially-initialized superblock to fill in
- * @parent_fi: The fuse_inode of the parent filesystem where this submount is
- * 	       mounted
- */
-int fuse_fill_super_submount(struct super_block *sb,
-			     struct fuse_inode *parent_fi);
-
 /*
  * Remove the mount from the connection
  *
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index c7aee88ce7aa..04f25f49c37f 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1315,8 +1315,8 @@ static void fuse_sb_defaults(struct super_block *sb)
 		sb->s_xattr = fuse_no_acl_xattr_handlers;
 }
 
-int fuse_fill_super_submount(struct super_block *sb,
-			     struct fuse_inode *parent_fi)
+static int fuse_fill_super_submount(struct super_block *sb,
+				    struct fuse_inode *parent_fi)
 {
 	struct fuse_mount *fm = get_fuse_mount_super(sb);
 	struct super_block *parent_sb = parent_fi->inode.i_sb;