diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h
index 187c0eedaece..37491276c6ca 100644
--- a/arch/microblaze/include/asm/of_platform.h
+++ b/arch/microblaze/include/asm/of_platform.h
@@ -36,16 +36,6 @@ static const struct of_device_id of_default_bus_ids[] = {
 	{},
 };
 
-/* Platform drivers register/unregister */
-static inline int of_register_platform_driver(struct of_platform_driver *drv)
-{
-	return of_register_driver(drv, &of_platform_bus_type);
-}
-static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
-{
-	of_unregister_driver(drv);
-}
-
 /* Platform devices and busses creation */
 extern struct of_device *of_platform_device_create(struct device_node *np,
 						const char *bus_id,
diff --git a/arch/powerpc/include/asm/of_platform.h b/arch/powerpc/include/asm/of_platform.h
index 53b46507ffde..d4aaa3489440 100644
--- a/arch/powerpc/include/asm/of_platform.h
+++ b/arch/powerpc/include/asm/of_platform.h
@@ -11,16 +11,6 @@
  *
  */
 
-/* Platform drivers register/unregister */
-static inline int of_register_platform_driver(struct of_platform_driver *drv)
-{
-	return of_register_driver(drv, &of_platform_bus_type);
-}
-static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
-{
-	of_unregister_driver(drv);
-}
-
 /* Platform devices and busses creation */
 extern struct of_device *of_platform_device_create(struct device_node *np,
 						   const char *bus_id,
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 3d327b67d7e2..908406651330 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -51,6 +51,16 @@ extern int of_register_driver(struct of_platform_driver *drv,
 			      struct bus_type *bus);
 extern void of_unregister_driver(struct of_platform_driver *drv);
 
+/* Platform drivers register/unregister */
+static inline int of_register_platform_driver(struct of_platform_driver *drv)
+{
+	return of_register_driver(drv, &of_platform_bus_type);
+}
+static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
+{
+	of_unregister_driver(drv);
+}
+
 #include <asm/of_platform.h>
 
 extern struct of_device *of_find_device_by_node(struct device_node *np);