def unlisten_to_node(self, id_):
        """Stop listening to a job

        Parameters
        ----------
        id_ : str
            An ID to remove

        Returns
        --------
        str or None
            The ID removed or None if the ID was not removed
        """
        id_pubsub = _pubsub_key(id_)

        if id_pubsub in self._listening_to:
            del self._listening_to[id_pubsub]
            self.toredis.unsubscribe(id_pubsub)

            parent = json_decode(r_client.get(id_)).get('parent', None)
            if parent is not None:
                r_client.srem(_children_key(parent), id_)
            r_client.srem(self.group_children, id_)

            return id_