diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 5cf196d..fc0fa75 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -363,7 +363,7 @@
 		rtc_timer_remove(rtc, &rtc->aie_timer);
 
 	rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
-	rtc->aie_timer.period = ktime_set(0, 0);
+	rtc->aie_timer.period = 0;
 	if (alarm->enabled)
 		err = rtc_timer_enqueue(rtc, &rtc->aie_timer);
 
@@ -391,7 +391,7 @@
 		return err;
 
 	rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
-	rtc->aie_timer.period = ktime_set(0, 0);
+	rtc->aie_timer.period = 0;
 
 	/* Alarm has to be enabled & in the future for us to enqueue it */
 	if (alarm->enabled && (rtc_tm_to_ktime(now) <
@@ -554,7 +554,7 @@
 	int count;
 	rtc = container_of(timer, struct rtc_device, pie_timer);
 
-	period = ktime_set(0, NSEC_PER_SEC/rtc->irq_freq);
+	period = NSEC_PER_SEC / rtc->irq_freq;
 	count = hrtimer_forward_now(timer, period);
 
 	rtc_handle_legacy_irq(rtc, count, RTC_PF);
@@ -665,7 +665,7 @@
 		return -1;
 
 	if (enabled) {
-		ktime_t period = ktime_set(0, NSEC_PER_SEC / rtc->irq_freq);
+		ktime_t period = NSEC_PER_SEC / rtc->irq_freq;
 
 		hrtimer_start(&rtc->pie_timer, period, HRTIMER_MODE_REL);
 	}