diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 39a2fcd..e6ed540 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -283,10 +283,8 @@
 		ret = -ENOTSUPP;
 	}
 
-	if (ret == 0) {
+	if (ret == 0)
 		rtc->periodic_freq |= tmp;
-		rtc->rtc_dev->irq_freq = freq;
-	}
 
 	spin_unlock_irq(&rtc->lock);
 	return ret;