WordPressのpinbackを無効にする

wp_disable_pingback.php

<?php
add_filter( 'xmlrpc_methods', 'Remove_Pingback_Method' );
function Remove_Pingback_Method( $methods ) {
   unset( $methods['pingback.ping'] );
   unset( $methods['pingback.extensions.getPingbacks'] );
   return $methods;
}