Index: uspace/lib/usbhost/src/usb2_bus.c
===================================================================
--- uspace/lib/usbhost/src/usb2_bus.c	(revision 99a00a6d21fbb674448c3c3fd2cdc05ebacff3c8)
+++ uspace/lib/usbhost/src/usb2_bus.c	(revision e7e99bfcfc1740e8ecfa494c0c43a6fd23ba47c0)
@@ -222,4 +222,9 @@
 }
 
+static void usb2_bus_device_gone(device_t *dev)
+{
+	// TODO: Implement me!
+}
+
 /**
  * Register an endpoint to the bus. Reserves bandwidth.
@@ -253,4 +258,5 @@
 const bus_ops_t usb2_bus_ops = {
 	.device_enumerate = usb2_bus_device_enumerate,
+	.device_gone = usb2_bus_device_gone,
 	.endpoint_register = usb2_bus_register_ep,
 	.endpoint_unregister = usb2_bus_unregister_ep,