Xbox One will still function without Kinect sensor
 

Yes, you can unplug the Kinect sensor without your Xbox One turning into a useless brick. The Xbox One will still function without the . In an update to an ask-me-anything style Q and A hosted by IGN, the One's Chief Platform Architect Marc Whitten was asked if Xbox One would still work if the previously mandatory Kinect sensor were to fall onto a hardwood floor and break. Whitten responded that "like online, the console will still function if Kinect isn't plugged in, although you won't be able to use any feature or experience that explicitly used the sensor."

http://www.engadget.com/2013/08/12/x... ign=Engadget