diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index 0760ca1..74748e3 100644
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -5,7 +5,8 @@
 #include <linux/time.h>
 #include <linux/hrtimer.h>
 #include <linux/timerqueue.h>
-#include <linux/rtc.h>
+
+struct rtc_device;
 
 enum alarmtimer_type {
 	ALARM_REALTIME,