/**
 * Implements hook_menu_delete().
 */
function {{ machine_name }}_menu_delete($menu) {
  // Delete the record from our variable.
  $my_menus = variable_get('my_module_menus', array());
  unset($my_menus[$menu['menu_name']]);
  variable_set('my_module_menus', $my_menus);
}
