diff --git a/kernel/sched.c b/kernel/sched.c
index 4f9f9e9..6644401 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3470,7 +3470,7 @@
 	if (unlikely(!rq->nr_running))
 		idle_balance(cpu, rq);
 
-	prev->sched_class->put_prev_task(rq, prev, now);
+	prev->sched_class->put_prev_task(rq, prev);
 	next = pick_next_task(rq, prev);
 
 	sched_info_switch(prev, next);
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 0b23aaf..103327b 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -878,7 +878,7 @@
 /*
  * Account for a descheduled task:
  */
-static void put_prev_task_fair(struct rq *rq, struct task_struct *prev, u64 now)
+static void put_prev_task_fair(struct rq *rq, struct task_struct *prev)
 {
 	struct sched_entity *se = &prev->se;
 	struct cfs_rq *cfs_rq;
diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
index 9f4c28f..3503fb2 100644
--- a/kernel/sched_idletask.c
+++ b/kernel/sched_idletask.c
@@ -33,7 +33,7 @@
 	spin_lock_irq(&rq->lock);
 }
 
-static void put_prev_task_idle(struct rq *rq, struct task_struct *prev, u64 now)
+static void put_prev_task_idle(struct rq *rq, struct task_struct *prev)
 {
 }
 
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index c0b0d62..dcdcad6 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -92,7 +92,7 @@
 	return next;
 }
 
-static void put_prev_task_rt(struct rq *rq, struct task_struct *p, u64 now)
+static void put_prev_task_rt(struct rq *rq, struct task_struct *p)
 {
 	update_curr_rt(rq);
 	p->se.exec_start = 0;