query("DELETE FROM {$wpdb->options} WHERE option_name LIKE '_transient_oneclickformsync_%' OR option_name LIKE '_transient_timeout_oneclickformsync_%'"); // 3. Drop custom database tables. $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}oneclickformsync_connections"); $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}oneclickformsync_queue"); $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}oneclickformsync_logs");