diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index b32a907d021d4a2b5a809a22899cb237464d0d57..eb1a431a894a4dd72594eb79cf3d466e8667f32c 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -308,17 +308,6 @@ void __init exynos_init_io(void)
 	exynos_map_io();
 }
 
-struct bus_type exynos_subsys = {
-	.name		= "exynos-core",
-	.dev_name	= "exynos-core",
-};
-
-static int __init exynos_core_init(void)
-{
-	return subsys_system_register(&exynos_subsys, NULL);
-}
-core_initcall(exynos_core_init);
-
 static int __init exynos4_l2x0_cache_init(void)
 {
 	int ret;
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 5992b8dd9b8982ded6c3c8c45b0d5de88792a326..930b4be832cdb3104637c9faa1b63922462507ab 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -239,7 +239,6 @@ extern struct bus_type s3c2443_subsys;
 extern struct bus_type s3c6410_subsys;
 extern struct bus_type s5p64x0_subsys;
 extern struct bus_type s5pv210_subsys;
-extern struct bus_type exynos_subsys;
 
 extern void (*s5pc1xx_idle)(void);