Converting PRO License back to standard

Previously we were managing Teradici devices and needed to have the PRO license to do so. We have since stood up a separate Teradici console to manage those. We are trying to update but since the license is expired we get an error that the license is invalid and the upgrade will abort. Is there a way to remove the PRO license and go back to the standard? All teradici devices have been removed from the console.