diff --git a/packages/govuk-frontend/babel.config.js b/packages/govuk-frontend/babel.config.js
index 8ffc8da586..5cb423a5db 100644
--- a/packages/govuk-frontend/babel.config.js
+++ b/packages/govuk-frontend/babel.config.js
@@ -11,6 +11,10 @@ module.exports = function (api) {
   const browserslistEnv = isBrowser ? 'javascripts' : 'node'
 
   return {
+    generatorOpts: {
+      // Remove all comments without `@preserve` tag
+      comments: !isBrowser
+    },
     presets: [
       ['@babel/preset-env', {
         browserslistEnv,