Log into your SiteWorx account. (eg: www.example.com:2443/siteworx/ )
. Under SiteWorx Menu
, click the Hosting Features
menu item if it is not already open.
. Click the Domain
menu item and then click on the Secondary
Under Existing Domains
tab, Select Appropriate domain name you want to delete.
Click the Delete
A confirmation window will appear, Again click on the Delete
You should see a success message notifying you that your Secondary domain has been removed.