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A plugin to close, disable and remove comments from the WordPress admin UI.

What this plugin does:

• Sets previously published comments to unapproved (=pending).
• Closes comments and pings on all published posts of all post types once. (Future status handled by global default status.)
• Sets global default comment and ping status to closed.
• Removes comments and discussion menu pages from admin menu.
• Removes the comment menu item from admin bar.
• Removes post type support for comments and trackbacks from all registered post types.
• Removes the default comments widget.
• Removes comments from the Dashboard by cloning the Activity widget. (before/after)
• Removes comment feed link from wp_head.

Requirements:

• PHP 5.3+
• WordPress 4.1+

License

• General Public License v3