diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6c15dabcfc0b0346576e0bd4d6b1e7aa948e1ed6..9222b7a13430c4fc8ed0b499b15b62f26baf0a08 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -517,6 +517,23 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig
 	return ret;
 }
 
+static struct usb_device *usbdev_lookup_minor(int minor)
+{
+	struct class_device *class_dev;
+	struct usb_device *dev = NULL;
+
+	down(&usb_device_class->sem);
+	list_for_each_entry(class_dev, &usb_device_class->children, node) {
+		if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
+			dev = class_dev->class_data;
+			break;
+		}
+	}
+	up(&usb_device_class->sem);
+
+	return dev;
+};
+
 /*
  * file operations
  */
@@ -1533,23 +1550,6 @@ struct file_operations usbfs_device_file_operations = {
 	.release =	usbdev_release,
 };
 
-struct usb_device *usbdev_lookup_minor(int minor)
-{
-	struct class_device *class_dev;
-	struct usb_device *dev = NULL;
-
-	down(&usb_device_class->sem);
-	list_for_each_entry(class_dev, &usb_device_class->children, node) {
-		if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
-			dev = class_dev->class_data;
-			break;
-		}
-	}
-	up(&usb_device_class->sem);
-
-	return dev;
-};
-
 void usbdev_add(struct usb_device *dev)
 {
 	int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 4d59f6e079996fb3e6f4c9eeb70a1202a7074fef..3dc8096c0f92d0f85c2ed245b88daecc8342329a 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -64,7 +64,6 @@ extern int usbdev_init(void);
 extern void usbdev_cleanup(void);
 extern void usbdev_add(struct usb_device *dev);
 extern void usbdev_remove(struct usb_device *dev);
-extern struct usb_device *usbdev_lookup_minor(int minor);
 
 struct dev_state {
 	struct list_head list;      /* state list */