Deleting Your AniList Account
Visit https://anilist.co/settings/account to delete your AniList account.
When visiting, you may need to log in first. After logging in, you may be sent to the homepage. If so, just tap again on the link above to get to the right page. You can also find the page on the website by tapping the menu button and going to Settings > Account.
Once you’re on the page, scroll down to find the option to delete your account.