You must have "Full Access" or "Limited Access - Website" permissions to do this.
Sign in and click on the HQ Home icon located in the top-left corner of your site.
Once in "SportsEngine HQ," click the Website Settings tab then choose iCal Feeds.
Find the iCal feed you want to delete.
On the right side of the screen, under the Action column, click Delete.
Choose Delete iCal Feed again to confirm.