diff --git a/src/schedule/timer_domain.c b/src/schedule/timer_domain.c
index 71facbdff..d84f640b5 100644
--- a/src/schedule/timer_domain.c
+++ b/src/schedule/timer_domain.c
@@ -68,7 +68,7 @@ struct timer_domain {
 
 #ifdef __ZEPHYR__
 struct timer_zdata {
-	struct k_delayed_work work;
+	struct k_work_delayable work;
 	void (*handler)(void *arg);
 	void *arg;
 };
@@ -103,7 +103,8 @@ static inline void timer_report_delay(int id, uint64_t delay)
 #ifdef __ZEPHYR__
 static void timer_z_handler(struct k_work *work)
 {
-	struct timer_zdata *zd = CONTAINER_OF(work, struct timer_zdata, work);
+	struct k_work_delayable *dwork = k_work_delayable_from_work(work);
+	struct timer_zdata *zd = CONTAINER_OF(dwork, struct timer_zdata, work);
 
 	zd->handler(zd->arg);
 }
@@ -160,8 +161,8 @@ static int timer_domain_register(struct ll_schedule_domain *domain,
 
 	zdata[core].handler = handler;
 	zdata[core].arg = arg;
-	k_work_q_start(&timer_domain->ll_workq[core], stack,
-		       ZEPHYR_LL_WORKQ_SIZE, -CONFIG_NUM_COOP_PRIORITIES);
+	k_work_queue_start(&timer_domain->ll_workq[core], stack,
+			   ZEPHYR_LL_WORKQ_SIZE, -CONFIG_NUM_COOP_PRIORITIES, NULL);
 
 	thread = &timer_domain->ll_workq[core].thread;
 
@@ -175,7 +176,7 @@ static int timer_domain_register(struct ll_schedule_domain *domain,
 
 	timer_domain->ll_workq_registered[core] = 1;
 
-	k_delayed_work_init(&zdata[core].work, timer_z_handler);
+	k_work_init_delayable(&zdata[core].work, timer_z_handler);
 
 #else
 	/* tasks already registered on this core */
@@ -280,15 +281,15 @@ static void timer_domain_set(struct ll_schedule_domain *domain, uint64_t start)
 	/* using K_CYC(ticks_delta - 885) brings "requested - set" to about 180-700
 	 * cycles, audio sounds very slow and distorted.
 	 */
-	ret = k_delayed_work_submit_to_queue(&timer_domain->ll_workq[core],
-					     &zdata[core].work,
-					     K_CYC(ticks_delta - ZEPHYR_SCHED_COST));
+	ret = k_work_reschedule_for_queue(&timer_domain->ll_workq[core],
+					  &zdata[core].work,
+					  K_CYC(ticks_delta - ZEPHYR_SCHED_COST));
 	if (ret < 0) {
 		tr_err(&ll_tr, "queue submission error %d", ret);
 		return;
 	}
 
-	ticks_set = k_delayed_work_remaining_ticks(&zdata[core].work) * CYC_PER_TICK +
+	ticks_set = k_work_delayable_remaining_get(&zdata[core].work) * CYC_PER_TICK +
 		current - current % CYC_PER_TICK;
 #endif