diff --git a/src/.babelrc b/.babelrc
similarity index 100%
rename from src/.babelrc
rename to .babelrc
diff --git a/demo/.babelrc b/demo/.babelrc
deleted file mode 100644
index 08831b9510a1..000000000000
--- a/demo/.babelrc
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "presets": [
-    [
-      "env",
-      {
-        "modules": false,
-        "targets": {
-          "browsers": ["last 1 version", "ie >= 11"]
-        }
-    }]
-  ],
-  "plugins": ["transform-class-properties", "babel-plugin-external-helpers"],
-}
diff --git a/tools/rollup.config.dev.js b/tools/rollup.config.dev.js
index d9a4b3847a88..5d6f0c23f741 100644
--- a/tools/rollup.config.dev.js
+++ b/tools/rollup.config.dev.js
@@ -17,6 +17,7 @@ module.exports = {
     }),
     babel({
       exclude: 'node_modules/**',
+      plugins: ['external-helpers'],
     }),
   ],
   dest: 'demo/demo.js',
diff --git a/tools/rollup.config.js b/tools/rollup.config.js
index 3cc605d58179..df28ee2ffff8 100644
--- a/tools/rollup.config.js
+++ b/tools/rollup.config.js
@@ -13,11 +13,8 @@ module.exports = {
       sourceMap: false,
     }),
     babel({
-      exclude:
-      [
-        'node_modules/**',
-      ], // only transpile our source code
-
+      exclude: ['node_modules/**'], // only transpile our source code
+      plugins: ['external-helpers'],
     }),
   ],
   dest: 'scripts/carbon-components.js',