Follow these steps to delete an email address from your CenturyLink account:
1. Log in to your CenturyLink.net homepage.
2. Select the "My CenturyLink" menu in the top navigation and choose the User Settings option.
3. A new browser window will open. Once that page has loaded, you will see a list of all email addresses/account users in the Manage Users section.
4. Locate the email address you want to delete and select the down arrow icon next to that email address.