diff --git a/rollup.config.js b/rollup.config.js
index ea64b2815..aa6b56417 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -25,9 +25,6 @@ export default {
   plugins: [
     babel({
       babelrc: false,
-      // Don't transpile `node_modules` except for `stringify-object`. This enables IE 11 support
-      // and minification in older versions of Uglify.
-      exclude: '/node_modules/(?!stringify-object)/',
       presets: [
         [
           'es2015',