diff --git a/fs/super.c b/fs/super.c
index a5a4aca..453877c 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -117,7 +117,7 @@
  * Drop a superblock's refcount.  Returns non-zero if the superblock was
  * destroyed.  The caller must hold sb_lock.
  */
-int __put_super(struct super_block *sb)
+static int __put_super(struct super_block *sb)
 {
 	int ret = 0;
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2c92574..1de9d72 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1521,7 +1521,6 @@
 	const struct super_operations *ops, unsigned long,
 	struct vfsmount *mnt);
 extern int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
-int __put_super(struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
 void unnamed_dev_init(void);