diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index a48e86794913..893e54dab13e 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2690,9 +2690,6 @@ static int tg_rt_schedulable(struct task_group *tg, void *data)
 	    tg->rt_bandwidth.rt_runtime && tg_has_rt_tasks(tg))
 		return -EBUSY;
 
-	if (WARN_ON(!rt_group_sched_enabled() && tg != &root_task_group))
-		return -EBUSY;
-
 	total = to_ratio(period, runtime);
 
 	/*
@@ -2836,6 +2833,8 @@ long sched_group_rt_period(struct task_group *tg)
 static int sched_rt_global_constraints(void)
 {
 	int ret = 0;
+	if (!rt_group_sched_enabled())
+		return ret;
 
 	mutex_lock(&rt_constraints_mutex);
 	ret = __rt_schedulable(NULL, 0, 0);