diff --git a/examples/module/rtgui_app/tetris/application.c b/examples/module/rtgui_app/tetris/application.c
deleted file mode 100644
index d845346eb3..0000000000
--- a/examples/module/rtgui_app/tetris/application.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * File      : app.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2010-08-28     Yi.Qiu       the first version
- */
- 
-#include <rtthread.h>
-#include <rtgui/rtgui.h>
-#include <rtgui/rtgui_server.h>
-#include <rtgui/rtgui_system.h>
-#include <rtgui/widgets/workbench.h>
-#include "tetris.h"
-
-int rt_application_init(void)
-{
-	rt_thread_t tid;
-
-	tid = rt_thread_create("tetris", tetris_ui_entry, RT_NULL, 2048, 20, 5);
-	if (tid != RT_NULL) rt_thread_startup(tid);
-	return 0;
-}
-