diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 0ae702b0d45b..03794b0de64b 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -46,7 +46,6 @@ smp-$(CONFIG_ARCH_EMEV2)	+= smp-emev2.o headsmp-scu.o platsmp-scu.o
 
 # PM objects
 obj-$(CONFIG_SUSPEND)		+= suspend.o
-obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
 obj-$(CONFIG_CPU_FREQ)		+= cpufreq.o
 obj-$(CONFIG_PM_RCAR)		+= pm-rcar.o
 obj-$(CONFIG_PM_RMOBILE)	+= pm-rmobile.o
diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h
index 309025efd4cf..1dc09713f753 100644
--- a/arch/arm/mach-shmobile/common.h
+++ b/arch/arm/mach-shmobile/common.h
@@ -23,8 +23,6 @@ struct clk;
 extern int shmobile_clk_init(void);
 extern void shmobile_handle_irq_intc(struct pt_regs *);
 extern struct platform_suspend_ops shmobile_suspend_ops;
-struct cpuidle_driver;
-extern void shmobile_cpuidle_set_driver(struct cpuidle_driver *drv);
 
 #ifdef CONFIG_SUSPEND
 int shmobile_suspend_init(void);
@@ -34,12 +32,6 @@ static inline int shmobile_suspend_init(void) { return 0; }
 static inline void shmobile_smp_apmu_suspend_init(void) { }
 #endif
 
-#ifdef CONFIG_CPU_IDLE
-int shmobile_cpuidle_init(void);
-#else
-static inline int shmobile_cpuidle_init(void) { return 0; }
-#endif
-
 #ifdef CONFIG_CPU_FREQ
 int shmobile_cpufreq_init(void);
 #else
@@ -51,7 +43,6 @@ extern void __iomem *shmobile_scu_base;
 static inline void __init shmobile_init_late(void)
 {
 	shmobile_suspend_init();
-	shmobile_cpuidle_init();
 	shmobile_cpufreq_init();
 }
 
diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c
deleted file mode 100644
index 0afeb5c7061c..000000000000
--- a/arch/arm/mach-shmobile/cpuidle.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * CPUIdle support code for SH-Mobile ARM
- *
- *  Copyright (C) 2011 Magnus Damm
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/pm.h>
-#include <linux/cpuidle.h>
-#include <linux/suspend.h>
-#include <linux/module.h>
-#include <linux/err.h>
-#include <asm/cpuidle.h>
-#include <asm/io.h>
-
-static struct cpuidle_driver shmobile_cpuidle_default_driver = {
-	.name			= "shmobile_cpuidle",
-	.owner			= THIS_MODULE,
-	.states[0]		= ARM_CPUIDLE_WFI_STATE,
-	.safe_state_index	= 0, /* C1 */
-	.state_count		= 1,
-};
-
-static struct cpuidle_driver *cpuidle_drv = &shmobile_cpuidle_default_driver;
-
-void __init shmobile_cpuidle_set_driver(struct cpuidle_driver *drv)
-{
-	cpuidle_drv = drv;
-}
-
-int __init shmobile_cpuidle_init(void)
-{
-	return cpuidle_register(cpuidle_drv, NULL);
-}
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index c0293ae4b013..9f190528a556 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -462,7 +462,7 @@ static struct cpuidle_driver sh7372_cpuidle_driver = {
 
 static void __init sh7372_cpuidle_init(void)
 {
-	shmobile_cpuidle_set_driver(&sh7372_cpuidle_driver);
+	return cpuidle_register(cpuidle_drv, NULL);
 }
 #else
 static void __init sh7372_cpuidle_init(void) {}