def removeClass(self, *classes: str) -> None:
        """[Not Standard] Remove classes from this node."""
        _remove_cl = []
        for class_ in classes:
            if class_ not in self.classList:
                if class_ in self.get_class_list():
                    logger.warning(
                        'tried to remove class-level class: '
                        '{}'.format(class_)
                    )
                else:
                    logger.warning(
                        'tried to remove non-existing class: {}'.format(class_)
                    )
            else:
                _remove_cl.append(class_)
        self.classList.remove(*_remove_cl)