def _unset_sci_rx(self):
    self.__sci_rx = YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=six.text_type, restriction_dict={'pattern': '[0-9a-fA-F]*'}), restriction_dict={'length': ['16']}), is_leaf=True, yang_name="sci-rx", 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='oc-yang:hex-string', is_config=False)