User blog comment:CookiesAndCrumpets/Inactive Users/@comment-29963882-20170607105308/@comment-27070860-20170607122734

You can not delete accounts even if you're in the wikia fandom staff. The closest thing to deleting is disabling a account- but that would stop anyone from using it at all.

Besides that, disabling wouldn't get rid of the account, it would exist, but nobody would use it.