diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 1689d190dea8..8acdd9753854 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -3649,6 +3649,9 @@ static void __dl_clear_params(struct sched_dl_entity *dl_se)
 	dl_se->dl_non_contending	= 0;
 	dl_se->dl_overrun		= 0;
 	dl_se->dl_server		= 0;
+	dl_se->dl_defer			= 0;
+	dl_se->dl_defer_running		= 0;
+	dl_se->dl_defer_armed		= 0;
 
 #ifdef CONFIG_RT_MUTEXES
 	dl_se->pi_se			= dl_se;