def delete_mockdata_url(service_name, implementation_name,
                        url, headers,
                        dir_base=dirname(__file__)):
    """
    :param service_name:
        possible "sws", "pws", "book", "hfs", etc.
    :param implementation_name:
        possible values: "file", etc.
    """
    # Http response code 204 No Content:
    # The server has fulfilled the request but does not need to
    # return an entity-body
    response = MockHTTP()
    response.status = 204
    return response