Index: uspace/drv/bus/usb/usbhub/port.c
===================================================================
--- uspace/drv/bus/usb/usbhub/port.c	(revision 21881bd89560b621656e09355bf15dd512a7c207)
+++ uspace/drv/bus/usb/usbhub/port.c	(revision dbd54f725818913087421b8924c061f4013d75bb)
@@ -255,4 +255,21 @@
 	if (port->attached_device.address >= 0) {
 		fibril_mutex_lock(&port->mutex);
+		usb_log_debug("Removing device on port %zu.\n",
+		    port->port_number);
+		const int ret =
+		    devman_remove_function(port->attached_device.handle);
+		if (ret == EOK) {
+			const int ret =
+			    usb_hc_unregister_device(&hub->connection,
+			        port->attached_device.address);
+			if (ret != EOK) {
+				usb_log_error("Failed to unregister "
+				   "address of removed device: %s.\n",
+				   str_error(ret));
+			}
+		} else {
+			usb_log_error("Failed to remove child function on port"
+			   " %zu: %s.\n", port->port_number, str_error(ret));
+		}
 		port->attached_device.address = -1;
 		port->attached_device.handle = 0;