@staticmethod
def _delete_port_binding(context, client, port_id, host):
    """Deletes the binding for the given host on the given port.

        :param context: The request context for the operation.
        :param client: keystoneauth1.adapter.Adapter
        :param port_id: ID of the port from which to delete the binding
        :param host: A string name of the host on which the port is bound
        :return: requests.Response object
        """
    return client.delete('/v2.0/ports/%s/bindings/%s' % (port_id, host),
        raise_exc=False, global_request_id=context.global_id)
