How to remove your demonoid account
How to remove your Demonoid account
From their FAQ:
You can stop using it and the site will automatically set it as inactive after some time.
It remains unclear what happens to the account – does it get removed or remain lingering somewhere? It seems to be the last.
Direct removal link: http://www.demonoid.me/faq.php#ui_5
Cannot delete the account, or worried the data lingers? See what to do when a site won’t let you delete.