def serialize(self):
        """This function serializes into a simple dict object.

        The only usage is to send to poller, and it does not need to have the
        depend_on and depend_on_me properties.

        :return: json representation of a Check
        :rtype: dict
        """
        res = super(Check, self).serialize()
        if 'depend_on' in res:
            del res['depend_on']
        if 'depend_on_me' in res:
            del res['depend_on_me']
        return res