diff --git a/Demo/CORTEX_STM32F100_Atollic/Simple_Demo_Source/FreeRTOSConfig.h b/Demo/CORTEX_STM32F100_Atollic/Simple_Demo_Source/FreeRTOSConfig.h
index ffebb64409..61b2441bb0 100644
--- a/Demo/CORTEX_STM32F100_Atollic/Simple_Demo_Source/FreeRTOSConfig.h
+++ b/Demo/CORTEX_STM32F100_Atollic/Simple_Demo_Source/FreeRTOSConfig.h
@@ -135,7 +135,6 @@ to exclude the API function. */
 	
 #define vPortSVCHandler SVC_Handler
 #define xPortPendSVHandler PendSV_Handler
-#define vPortSVCHandler SVC_Handler
 #define xPortSysTickHandler SysTick_Handler
 
 #endif /* FREERTOS_CONFIG_H */