Deleting your account will do the following
- Delete your account from WhatsApp.
- Delete you from your friends' WhatsApp Favorites lists.
- Delete you from all WhatsApp groups.
- Erase all your chat history.
- Delete your WhatsApp service payment information.
To delete your WhatsApp account
- Open WhatsApp and go to Options > About > Account info > Options > Delete account.
- Enter the country code and phone number linked to the WhatsApp account on your phone.
- Tap on the checkmark or click Continue, then select Delete account.
Note: We cannot delete your account for you.
Learn how to delete your account on: Android | iPhone | Windows Phone | Nokia S40 | BlackBerry | BlackBerry 10
Cheers,
WhatsApp Support Team