Help:Deletion

Page deletions can be done by users which are members of the user group of administrators (sysops). As normal registeres users are unable to delete, they can request a deletion to be performed by an administrator or a user owning administrative user rights. This can be done by embedding a special template into the page. A valid reason for your suggestion has to be written on the article's talk page, before the template is placed into the article.

Syntax
Use the following syntax to mark a page for deletion. Please place this code on the top of the page, above all other text. Do not modify the page any more contents with this edit! The result will be:

Templates, categories and system messages
If you want to request a deletion of a template, you must make sure that no page links to to it (see: Special:WhatLinksHere). For system message, this will not work, as system messages to to not show their usability on a page. You have to make sure that they are not used by other messages or pages. Categories make it easy by viewing a list off all pages belonging to it on the bottom.