def METHOD_NAME(self, iface: str, qid: str) -> int:
    """
    Delete given queue from HTB classed
    Args:
        iface: interface name
        qid: queue-id of the HTB class
    Returns:
    """
    LOG.debug("Delete HTB iface %s qid %s", iface, qid)
    try:
        if_index = self._get_if_index(iface)
        htb_queue = QUEUE_PREFIX + qid
        ret = self._ipr.tc("del-class", "htb", if_index, htb_queue)
        LOG.debug("Return: %s", ret)
    except (ValueError, NetlinkError) as ex:
        return log_error_and_get_code(ex, "del-htb")
    return 0