pm the admin or moderator there would be no problems erasing your history and account.
Since this is your first post here, you must be tremendously familiar with the site and it's rules to make a statement like that.

In actual fact no accounts get deleted from

, not even banned users.
please delete my account.
It was almost 3 years since your last post here, and in all of that time your account has been inactive, and thus as good as non-existent.
Why come back after 3 years to ask us to delete an account you've not been using anyway?
If you don't wish to contribute anymore, simply go back to what you were doing, i.e. not posting at all.
If you really want to lock your account out permanently:
Go to "My GTPlanet" ---> "Edit Email & Password"
Enter your existing password.
Open notepad or Word. Turn away from PC screen and type a random set of keystrokes, such as "reiourvhFV83M3"
Copy the random string and paste it into the "New Password" and "Confirm New Password" boxes.
Delete text or Word file without saving it.
Set your e-mail address to "something@example.com" and hit "Save Changes"
"Log Out" of
Now you've changed your password to some unknown gibberish and your account is effectively locked out.