diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index e437f1101776..1ed7a8a28dc3 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -1911,7 +1911,7 @@ long hrtimer_nanosleep(const struct timespec64 *rqtp,
 	u64 slack;
 
 	slack = current->timer_slack_ns;
-	if (dl_task(current) || rt_task(current))
+	if (rt_task(current))
 		slack = 0;
 
 	hrtimer_init_sleeper_on_stack(&t, clockid, mode, current);