You CANNOT automatically delete your Walmart.com account.
Try to contact them using this link to complain about this: http://www.walmart.com/cservice/cu_comments_online.gsp?cu_heading=8
You can also try to contact them by phone:
1-800-966-6546 (8am to 10pm)
How to directly reach a live person: Dial 238 as soon as the automated greeting begins (no need to wait for the menu options)
URLS:
http://walmart.com
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.
I changed my profile to a phony name, email address, and password then updated the info. I received a confirmation at my original email address, deleted it, and forgot about the account.
Contact Customer Service to delete an account.
https://help.walmart.com/app/answers/detail/a_id/230