wordpress comments Disable delete pingbacks

Disable Comments in WordPress Dashboard

Go WordPress >>Settings>>Discussion

Uncheck The Box Allow users to Posts Comments

or Select Only Registered users can Comment on this blog. Also, make sure to disable registration in case of you installed BuddyPress plugin.

Disable Comments WP Plugin

Active Installs 80,000+ Update 1 month ago

Allows administrators to globally disable comments on their site. Comments can be disabled according to post type. Multisite friendly.

How to Disable Self Pingbacks /trackbacks in WordPress

When you link to an internal page then you will get the pingback from the internal website.

manually disable pingbacks from WordPress dashboard

WordPress >>Settings>>Discussion

Untick Attempt to Notify any blogs Linked from Article.  (But still I am getting this message)

Plugins:

Askimet; Free for personal up to 1-5 websites.

No self Pings; updated 6 years ago, Active installs 40000+

disabler: updated 2 years ago.1000+

delete All WordPress comments from PHPMyAdmin or database

DELETE FROM wp_comments WHERE comment_approved = 'spam';
Tip;  Use Disqus comment plugin.