In the event that one of your hostnames is no longer needed, you can easily delete it by following these steps:

1.  Log into your Dyn account.
2.  Click on My Hosts
3.  Select the hostname that you would like to remove from the DynDNS Hostnames list.
4.  Locate the link at the bottom of the Modify Hostname panel, and then click Delete.
5.  Click OK to confirm this action.