def clear_alert_destination(self, destination=0, channel=None):
        """Clear an alert destination

        Remove the specified alert destination configuration.

        :param destination:  The destination to clear (defaults to 0)
        """
        if channel is None:
            channel = self.get_network_channel()
        self.set_alert_destination(
            '0.0.0.0', False, 0, 0, destination, channel)