You cannot delete your account.
See below for instructions to obfuscate your profile.
Contact them using https://www.livingsocial.com/research and let them know they should add a removal option.
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.