To delete a LinkedIn account, you need to log in. However, even if you don't have any of the required credentials, LinkedIn allows you to access your account and delete it. If you don't have a password, refer to this method to access your password and delete your LinkedIn account. If you don't have an email and password, refer to this method to access your email and delete your LinkedIn account. If you don't have an email, password, and mobile number, or any of the login details, refer to this method to access your email and delete your LinkedIn account.