3. In the Saved Passwords window, remove any passwords that you don't want Firefoxto remember by clicking on Remove or Remove All. See the image below.
How to make Firefox prompt to save password again for an exception site?
1. Go to Tools --> Options --> 'Security' Tab. 2. Click on Exceptions button. 3. In the Exceptions - Saved Passwords window, remove any website that is added to the list by clicking on Remove or Remove All. See the image below.