I have a simple app that uses ORKPasscodeStep and ORKPasscodeViewController.passcodeAuthenticationViewController. I've only tested it on my iPad Air 2 so far. In that environment, I enter a passcode and it shows a passcode prompt, but it overlays that with a Touch ID prompt. The passcode is redundant given the Touch ID prompt. Is there a way to disable Touch ID, or is there some other recommended solution so the user isn't prompted for both a passcode and a Touch ID?