diff --git a/drivers/staging/r8188eu/include/h2clbk.h b/drivers/staging/r8188eu/include/h2clbk.h
deleted file mode 100644
index 412b611760b3..000000000000
--- a/drivers/staging/r8188eu/include/h2clbk.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
-/* Copyright(c) 2007 - 2011 Realtek Corporation. */
-
-#define _H2CLBK_H_
-
-#include <rtl8711_spec.h>
-#include <TypeDef.h>
-
-void _lbk_cmd(struct adapter *adapter);
-
-void _lbk_rsp(struct adapter *adapter);
-
-void _lbk_evt(IN struct adapter *adapter);
-
-void h2c_event_callback(unsigned char *dev, unsigned char *pbuf);