diff --git a/bsp/mb9bf618s/applications/startup.c b/bsp/mb9bf618s/applications/startup.c
index 36ba16b1f..5a18eaa3b 100644
--- a/bsp/mb9bf618s/applications/startup.c
+++ b/bsp/mb9bf618s/applications/startup.c
@@ -44,8 +44,7 @@ void rtthread_startup(void)
     /* show version */
     rt_show_version();
 	
-	/* init timer system */
-    rt_system_timer_init();
+	
 
 #ifdef RT_USING_HEAP
 #ifdef __CC_ARM