Customize P3's Auto Scan URLs

p3-customizer.php

<?php

/*
Plugin Name: Example plugin
Plugin URI: http://example.com/
Description: Customize the pages scanned by P3's auto scan mode
Author: edwardra3
Version: 1.0
Author URI: http://example.com/
*/

function my_p3_auto_scan_pages( $urls ) {
    foreach ( $urls as $k => $v ) {
        if ( false !== strpos( $v, '/wp-admin' ) ) {
            unset( $urls[ $k ] );
        }
    }
    return $urls;
}
add_filter( 'p3_automatic_scan_urls', 'my_p3_auto_scan_pages', 10, 2 );