diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index acd7b0f..4f6bb3d 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -124,6 +124,7 @@
 	void			(*suspend)(struct usb_function *);
 	void			(*resume)(struct usb_function *);
 
+	/* private: */
 	/* internals */
 	struct list_head		list;
 };
@@ -219,6 +220,7 @@
 
 	struct usb_composite_dev	*cdev;
 
+	/* private: */
 	/* internals */
 	struct list_head	list;
 	struct list_head	functions;
@@ -321,6 +323,7 @@
 
 	struct usb_configuration	*config;
 
+	/* private: */
 	/* internals */
 	struct usb_device_descriptor	desc;
 	struct list_head		configs;