diff --git a/arch/arm/mach-s5p6440/include/mach/system.h b/arch/arm/mach-s5p6440/include/mach/system.h
index d2dd817..a359ee3 100644
--- a/arch/arm/mach-s5p6440/include/mach/system.h
+++ b/arch/arm/mach-s5p6440/include/mach/system.h
@@ -13,12 +13,9 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
-static void arch_idle(void)
-{
-	/* nothing here yet */
-}
+#include <plat/system-reset.h>
 
-static void arch_reset(char mode, const char *cmd)
+static void arch_idle(void)
 {
 	/* nothing here yet */
 }
diff --git a/arch/arm/mach-s5p6442/include/mach/system.h b/arch/arm/mach-s5p6442/include/mach/system.h
index 8bcd8ed..c30c1cc 100644
--- a/arch/arm/mach-s5p6442/include/mach/system.h
+++ b/arch/arm/mach-s5p6442/include/mach/system.h
@@ -13,12 +13,9 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
-static void arch_idle(void)
-{
-	/* nothing here yet */
-}
+#include <plat/system-reset.h>
 
-static void arch_reset(char mode, const char *cmd)
+static void arch_idle(void)
 {
 	/* nothing here yet */
 }
diff --git a/arch/arm/mach-s5pc100/include/mach/system.h b/arch/arm/mach-s5pc100/include/mach/system.h
index 681f626..a9ea57c 100644
--- a/arch/arm/mach-s5pc100/include/mach/system.h
+++ b/arch/arm/mach-s5pc100/include/mach/system.h
@@ -11,18 +11,11 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
-#include <linux/io.h>
-#include <mach/map.h>
-#include <mach/regs-clock.h>
+#include <plat/system-reset.h>
 
 static void arch_idle(void)
 {
 	/* nothing here yet */
 }
 
-static void arch_reset(char mode, const char *cmd)
-{
-	__raw_writel(S5PC100_SWRESET_RESETVAL, S5PC100_SWRESET);
-	return;
-}
 #endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/system.h b/arch/arm/mach-s5pv210/include/mach/system.h
index 1ca04d5..af8a200 100644
--- a/arch/arm/mach-s5pv210/include/mach/system.h
+++ b/arch/arm/mach-s5pv210/include/mach/system.h
@@ -13,12 +13,9 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
-static void arch_idle(void)
-{
-	/* nothing here yet */
-}
+#include <plat/system-reset.h>
 
-static void arch_reset(char mode, const char *cmd)
+static void arch_idle(void)
 {
 	/* nothing here yet */
 }