Now that the V4L2ControlId embedded in V4L2ControlInfo has been moved out and doesn't require to be copied anymore, the base ControlId class doesn't need to be copyable either. Delete the ControlId copy constructor and copy assignment operator. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>