You can delete a subdomain that ceases to be viable or useful.
When you delete a subdomain, the directory containing the subdomain resources
is deleted; the subdomain can no longer be accessed.
Click the Shortcuts tab on the .
In the shortcuts
area, click Subdomains (Web Server section). The
Subdomain window opens.
In the Subdomain
list, click
in the Actions
column next to the subdomain you want to delete. The Confirm Delete window
opens.
Click OK
to delete the subdomain.