How to remove alias id

Hi there, see this instructions on how to remove an alias

1. In Mail on iCloud.com, click  at the top of the Mailboxes list, then choose Settings.
2. Click Accounts, select an iCloud Mail alias in the list, then do any of the following:

• • Turn off an alias: select “Disable alias”.
  • Turn on an alias: deselect “Disable alias”.
  • Delete an alias: click “Delete alias”, then click Delete.

1. Click Done.

Hope this helps!