def retrieve(self, request, *args, **kwargs):
        """
        To remove a user from a customer owner group, delete corresponding connection (**url** field).
        Successful deletion will return status code 204.

        .. code-block:: http

            DELETE /api/customer-permissions/71/ HTTP/1.1
            Authorization: Token 95a688962bf68678fd4c8cec4d138ddd9493c93b
            Host: example.com
        """
        return super(CustomerPermissionViewSet, self).retrieve(request, *args, **kwargs)