diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c
index 7111b99..24d91b1 100644
--- a/drivers/clocksource/h8300_timer8.c
+++ b/drivers/clocksource/h8300_timer8.c
@@ -31,7 +31,6 @@
 struct timer8_priv {
 	struct clock_event_device ced;
 	unsigned long mapbase;
-	raw_spinlock_t lock;
 	unsigned long flags;
 	unsigned int rate;
 	unsigned int tcora;
@@ -78,10 +77,8 @@
 
 static void timer8_set_next(struct timer8_priv *p, unsigned long delta)
 {
-	unsigned long flags;
 	unsigned long now;
 
-	raw_spin_lock_irqsave(&p->lock, flags);
 	if (delta >= 0x10000)
 		pr_warn("delta out of range\n");
 	now = timer8_get_counter(p);
@@ -91,8 +88,6 @@
 		ctrl_outw(delta, p->mapbase + TCORA);
 	else
 		ctrl_outw(now + 1, p->mapbase + TCORA);
-
-	raw_spin_unlock_irqrestore(&p->lock, flags);
 }
 
 static int timer8_enable(struct timer8_priv *p)
@@ -108,9 +103,6 @@
 static int timer8_start(struct timer8_priv *p)
 {
 	int ret = 0;
-	unsigned long flags;
-
-	raw_spin_lock_irqsave(&p->lock, flags);
 
 	if (!(p->flags & FLAG_STARTED))
 		ret = timer8_enable(p);
@@ -120,20 +112,12 @@
 	p->flags |= FLAG_STARTED;
 
  out:
-	raw_spin_unlock_irqrestore(&p->lock, flags);
-
 	return ret;
 }
 
 static void timer8_stop(struct timer8_priv *p)
 {
-	unsigned long flags;
-
-	raw_spin_lock_irqsave(&p->lock, flags);
-
 	ctrl_outw(0x0000, p->mapbase + _8TCR);
-
-	raw_spin_unlock_irqrestore(&p->lock, flags);
 }
 
 static inline struct timer8_priv *ced_to_priv(struct clock_event_device *ced)