diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h
index 625003f70888..353d8f651e30 100644
--- a/arch/microblaze/include/asm/of_platform.h
+++ b/arch/microblaze/include/asm/of_platform.h
@@ -14,8 +14,6 @@
 /* This is just here during the transition */
 #include <linux/of_platform.h>
 
-extern struct of_device *of_find_device_by_phandle(phandle ph);
-
 extern void of_instantiate_rtc(void);
 
 #endif /* _ASM_MICROBLAZE_OF_PLATFORM_H */
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index a07abdd6859b..da79edf45420 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -75,21 +75,3 @@ struct of_device *of_find_device_by_node(struct device_node *np)
 	return NULL;
 }
 EXPORT_SYMBOL(of_find_device_by_node);
-
-static int of_dev_phandle_match(struct device *dev, void *data)
-{
-	phandle *ph = data;
-	return to_of_device(dev)->dev.of_node->phandle == *ph;
-}
-
-struct of_device *of_find_device_by_phandle(phandle ph)
-{
-	struct device *dev;
-
-	dev = bus_find_device(&of_platform_bus_type,
-			      NULL, &ph, of_dev_phandle_match);
-	if (dev)
-		return to_of_device(dev);
-	return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_phandle);
diff --git a/arch/powerpc/include/asm/of_platform.h b/arch/powerpc/include/asm/of_platform.h
index b37d2dcddb97..d506aa61db83 100644
--- a/arch/powerpc/include/asm/of_platform.h
+++ b/arch/powerpc/include/asm/of_platform.h
@@ -11,8 +11,6 @@
  *
  */
 
-extern struct of_device *of_find_device_by_phandle(phandle ph);
-
 extern void of_instantiate_rtc(void);
 
 #endif	/* _ASM_POWERPC_OF_PLATFORM_H */
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 0b5cc6d892a7..4e0a2f7c1dd3 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -81,25 +81,6 @@ struct of_device *of_find_device_by_node(struct device_node *np)
 }
 EXPORT_SYMBOL(of_find_device_by_node);
 
-static int of_dev_phandle_match(struct device *dev, void *data)
-{
-	phandle *ph = data;
-	return to_of_device(dev)->dev.of_node->phandle == *ph;
-}
-
-struct of_device *of_find_device_by_phandle(phandle ph)
-{
-	struct device *dev;
-
-	dev = bus_find_device(&of_platform_bus_type,
-			      NULL, &ph, of_dev_phandle_match);
-	if (dev)
-		return to_of_device(dev);
-	return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_phandle);
-
-
 #ifdef CONFIG_PPC_OF_PLATFORM_PCI
 
 /* The probing of PCI controllers from of_platform is currently