diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a4869bd426ca..97fe79cf613e 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -689,6 +689,23 @@ static inline bool got_nohz_idle_kick(void)
 #ifdef CONFIG_NO_HZ_FULL
 bool sched_can_stop_tick(void)
 {
+	/*
+	 * FIFO realtime policy runs the highest priority task. Other runnable
+	 * tasks are of a lower priority. The scheduler tick does nothing.
+	 */
+	if (current->policy == SCHED_FIFO)
+		return true;
+
+	/*
+	 * Round-robin realtime tasks time slice with other tasks at the same
+	 * realtime priority. Is this task the only one at this priority?
+	 */
+	if (current->policy == SCHED_RR) {
+		struct sched_rt_entity *rt_se = &current->rt;
+
+		return rt_se->run_list.prev == rt_se->run_list.next;
+	}
+
 	/*
 	 * More than one running task need preemption.
 	 * nr_running update is assumed to be visible