materio-base-d7/modules/syslog/syslog.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the syslog module.
 */

/**
 * Implements hook_uninstall().
 */
function syslog_uninstall() {
  variable_del('syslog_identity');
  variable_del('syslog_facility');
  variable_del('syslog_format');
}