Отключить автоматический блок START YOAST BLOCK

Код

/**
 * Fix Yoast SEO robots.txt changes.
 * https://wordpress.org/support/topic/disable-robots-txt-changing-by-yoast-seo/#post-16648736
 */
function wpwc_fix_yoast_seo_robots_txt() {

	global $wp_filter;

	if ( isset( $wp_filter['robots_txt']->callbacks ) && is_array( $wp_filter['robots_txt']->callbacks ) ) {

		foreach ( $wp_filter['robots_txt']->callbacks as $callback_priority => $callback ) {
			foreach ( $callback as $function_key => $function ) {

				if ( 'filter_robots' === $function['function'][1] ) {
					unset( $wp_filter['robots_txt']->callbacks[ $callback_priority ][ $function_key ] );
				}
			}
		}
	}
}

add_action( 'wp_loaded', 'wpwc_fix_yoast_seo_robots_txt' );