diff --git a/include/linux/of.h b/include/linux/of.h
index 5c7b6a64acd..48b0ee6d0f7 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -22,6 +22,8 @@
 
 #include <asm/byteorder.h>
 
+#ifdef CONFIG_OF
+
 typedef u32 phandle;
 typedef u32 ihandle;
 
@@ -194,4 +196,5 @@ extern void of_attach_node(struct device_node *);
 extern void of_detach_node(struct device_node *);
 #endif
 
+#endif /* CONFIG_OF */
 #endif /* _LINUX_OF_H */