How do I revoke App Passwords I no longer use? To revoke App Passwords, go to the Security tab in your Betterment account settings and click “Revoke” in the section “Your App Passwords” next to the App Password you would like to revoke. Related articles What are App Passwords and when should I consider using them? How do I set up an App Password? How do I set up Two-Factor Authentication? Is Betterment impacted by the Heartbleed bug? What is "idle cash"?