Please follow the steps:
Me -> My profile -> Delete account -> Delete my account anyway
After your account is deleted, your profile photo, nickname, bookmarks, comments, questions and answers in Ask Brainy, virtual coins and other personal information affiliated to the account will also be permanently removed.
If you want to sign in again, you will need to register as a new account. Please think twice before you delete your account.
Please provide your mobile phone number for further confirmation.
After confirmation through phone number is done and you click the "delete my account anyway" button, your account and your data attached to the account will be permanently removed.