public function deleteLocaleGroups($localeID)
    {
        foreach ([
            self::GROUPNAME_LOCALE_ADMINISTRATORS,
            self::GROUPNAME_TRANSLATORS,
            self::GROUPNAME_ASPIRING_TRANSLATORS,
        ] as $parentGroupName) {
            $path = "/$parentGroupName/$localeID";
            $group = Group::getByPath($path);
            if ($group !== null) {
                $group->delete();
            }
        }
    }