Below are instructions for removing saved passwords from various browsers:
In Internet Explorer, go to Tools - Internet Options - Content - Personal Information - AutoComplete. Make sure AutoComplete is not enabled for "Forms" and "User names and passwords on forms."
From the Tools menu, choose Options. Click Privacy on the left. Make sure 'Remember Passwords' is unchecked under Saved Passwords. Click Clear to delete all saved passwords. Alternatively, click View Saved Passwords to remove specific saved passwords.
From the Safari menu, choose Preferences. Click the Autofill tab. Click the Edit button next to Usernames and Passwords, and manage your passwords from there.