Administrators can remove user profiles that are no longer used in DataSource.
Note: Once you delete a user profile, you will not be able to retrieve it.
To delete a user:

The profile that is displayed in the User Profile panel is the user who is currently logged into DataSource.
To delete another user's profile, search for the desired user using the User Search panel.
Verify the user you want to permanently remove from DataSource is displayed in the User Profile panel.
Click Delete User.
The Are you sure that you wish to delete this user? message appears.
Click OK.
The User deleted successfully message appears in the User Profile panel.