Index: frontend/node_modules/babel-preset-react-app/dev.js
===================================================================
--- frontend/node_modules/babel-preset-react-app/dev.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/babel-preset-react-app/dev.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,13 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+'use strict';
+
+const create = require('./create');
+
+module.exports = function (api, opts) {
+  return create(api, Object.assign({ helpers: false }, opts), 'development');
+};