At the moment, this is not possible to remove. If you need to
remove it, you need to create a new Login item on the web site
again but this time, don't replace your old Login, just let it save
it as a new one and then you can remove the old duplicate one.
To save a new login:
Enter your username and password, but DO NOT submit the
Click the 1Password button in your browser's toolbar, and
select the "+" button in the upper right hand corner.
Change the title and make any notes (if desired).
Click the Save button in the upper right hand corner.