diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index ff77027160aab7eca0ac78e4f78ae1c8e7f01877..a3bfcb37f733cd578187690c25a076c4bb54a411 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -957,7 +957,6 @@ static void iuu_close(struct usb_serial_port *port)
 		dev_dbg(&port->dev, "%s - shutting down urbs\n", __func__);
 		usb_kill_urb(port->write_urb);
 		usb_kill_urb(port->read_urb);
-		usb_kill_urb(port->interrupt_in_urb);
 		iuu_led(port, 0, 0, 0xF000, 0xFF);
 	}
 }