public function reset($batch) {
        delete_option("ilab_media_tools_{$batch}_status");
        delete_option("ilab_media_tools_{$batch}_current");
        delete_option("ilab_media_tools_{$batch}_file");
        delete_option("ilab_media_tools_{$batch}_total");
        delete_option("ilab_media_tools_{$batch}_last_run");
        delete_option("ilab_media_tools_{$batch}_total_time");
        delete_option("ilab_media_tools_{$batch}_last_time");
        delete_option("ilab_media_tools_{$batch}_last_update");
    }