Removing Shared Credentials

To Remove a shared or local credential,
  1. From the menu bar, select
    Tools -> System Administration
    .
  2. Next, select
    Global -> Credentials
    . The
    Global Shared Credentials
    window displays, with a listing of pre-assigned, shared credentials.
    globalremovex
    At the bottom of the window are the View Associations, Roll, Add, Edit, and Remove buttons, along with the Close option.  
  3. Select a credential from the list, then click
    Remove
  4. At the Confirmation message, click
    OK
    .
See Global Shared Credentials for more information.