Hey mango, Are you saying that you don't want Firefox to remember your password and login for these websites? If so, go to ''Tools >Options >Security'' tab click on ''Saved passwords''. This will give you a list of sites that you have saved a password for. Just find your site and delete that entry. There is a lot of useful information in this article about the [https://support.mozilla.com/en-US/kb/make-firefox-remember-usernames-and-passwords?s=password+manager&r=1&as=s Firefox Password Manager]. It should answer any other questions you might have. You can also remove the cookies from that site to make the site forget you if you've created a remember me cookie by going to ''Tools > Options > Privacy > Cookies: "Show Cookies" '' Hopefully this helps!