void RemoveNonDeprecationDescriptionsFromOpDef(OpDef* op_def) {
  for (int i = 0; i < op_def->input_arg_size(); ++i) {
    op_def->mutable_input_arg(i)->clear_description();
  }
  for (int i = 0; i < op_def->output_arg_size(); ++i) {
    op_def->mutable_output_arg(i)->clear_description();
  }
  for (int i = 0; i < op_def->attr_size(); ++i) {
    op_def->mutable_attr(i)->clear_description();
  }
  op_def->clear_summary();
  op_def->clear_description();
}