diff --git a/Firmware/system_timer.h b/Firmware/system_timer.h
index 98647660d..d4fbfc39b 100644
--- a/Firmware/system_timer.h
+++ b/Firmware/system_timer.h
@@ -4,7 +4,7 @@
 #define FIRMWARE_SYSTEM_TIMER_H_
 
 #include "Arduino.h"
-#define SYSTEM_TIMER_2
+//#define SYSTEM_TIMER_2
 
 #ifdef SYSTEM_TIMER_2
 #include "timer02.h"