If you’re a Hangout user and want to permanently delete your contact information, here’s how:

  1. Log in to your account and click on the “Settings” button on the top left corner of the screen.
  2. Scroll down to the “Contact” section and click on the “Delete” button.
  3. Type in your contact’s name and password (if any) and hit the “Delete” button.
  4. Your contact information will be deleted from all Hangout devices, including your computer, phone, and chat client!