diff --git a/[refs] b/[refs]
index 371939c9c8a1..c5efeac910b9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 179a502f8c4605c502f798e18f66ae096fe42402
+refs/heads/master: 2830a6d20139df2198d63235df7957712adb28e5
diff --git a/trunk/drivers/rtc/class.c b/trunk/drivers/rtc/class.c
index dc4c2748bbc3..37b1d82fda08 100644
--- a/trunk/drivers/rtc/class.c
+++ b/trunk/drivers/rtc/class.c
@@ -238,6 +238,7 @@ void rtc_device_unregister(struct rtc_device *rtc)
 		rtc_proc_del_device(rtc);
 		device_unregister(&rtc->dev);
 		rtc->ops = NULL;
+		ida_simple_remove(&rtc_ida, rtc->id);
 		mutex_unlock(&rtc->ops_lock);
 		put_device(&rtc->dev);
 	}