def _unset_key_clear_text(self):
    self.__key_clear_text = YANGDynClass(base=six.text_type, is_leaf=True, yang_name="key-clear-text", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace='http://openconfig.net/yang/macsec', defining_module='openconfig-macsec', yang_type='string', is_config=False)