diff --git a/bsp/stm3210/rtconfig.h b/bsp/stm3210/rtconfig.h
index aa56cbf633cb30fedc4446d45b6e669b332e2cf7..170addbbb1a3d02cd628cc986005b2ac849e625d 100644
--- a/bsp/stm3210/rtconfig.h
+++ b/bsp/stm3210/rtconfig.h
@@ -25,7 +25,7 @@
 #define RT_USING_HOOK
 
 /* Using Software Timer */
-#define RT_USING_TIMER_SOFT
+/* #define RT_USING_TIMER_SOFT */
 #define RT_TIMER_THREAD_PRIO		4
 #define RT_TIMER_THREAD_STACK_SIZE	512
 #define RT_TIMER_TICK_PER_SECOND	10