diff --git a/libraries/AP_Notify/ToneAlarm_Linux.h b/libraries/AP_Notify/ToneAlarm_Linux.h
index b6dbf38074..e0e85d145c 100644
--- a/libraries/AP_Notify/ToneAlarm_Linux.h
+++ b/libraries/AP_Notify/ToneAlarm_Linux.h
@@ -18,8 +18,6 @@
 #ifndef __TONE_ALARM_Linux_H__
 #define __TONE_ALARM_Linux_H__
 
-#include "ToneAlarm_Linux.h"
-
 #include "NotifyDevice.h"
 
 class ToneAlarm_Linux: public NotifyDevice