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Delete an account? Thanks ;)
Do you see the ( i )? Click that, scroll down, and there should be a button saying 'Delete my account'. <3 There have been some problems with it lately, though, so you may have some difficulties.
P.S, Old screenshot. It's the only one I could find, but oh well. :)
if it doesn´t work with the button, write a ticket to feerik with your nick, email and reason why =)
kind regards