Index: uspace/drv/rootvirt/devices.def
===================================================================
--- uspace/drv/rootvirt/devices.def	(revision 17aca1c1f6f00b4b526e475b7eead4405501c16b)
+++ uspace/drv/rootvirt/devices.def	(revision 0397e5a488c166a87563157012b79e2195f21d04)
@@ -22,9 +22,9 @@
 },
 #endif
+#ifdef CONFIG_RUN_VIRTUAL_USB_HC
 /* Virtual USB host controller. */
-/*
 {
 	.name = "usbhc",
 	.match_id = "usb&hc=vhc"
 },
-*/
+#endif