--- a/babel.config.cjs
+++ b/babel.config.cjs
@@ -3,6 +3,29 @@ const {
   templateCompatSupport,
 } = require('@embroider/compat/babel');
 
+/**
+ * Workaround for https://github.com/embroider-build/embroider/pull/2396:
+ * @embroider/compat always configures babel-plugin-debug-macros in debug mode
+ */
+function fixBabelCompatSupport() {
+  const support = babelCompatSupport();
+
+  // Set debug/CI flags as in https://github.com/emberjs/ember-cli-babel/blob/v7.26.11/lib/babel-options-util.js#L58
+  const isProduction = process.env.NODE_ENV === "production";
+  const isDebug = !isProduction;
+
+  for (const [ , options, ] of support.filter(plugin => plugin[0].includes('/babel-plugin-debug-macros/'))) {
+    options.debugTools.isDebug = isDebug;
+    const glimmerOptions = options.flags?.find(({ source }) => source === '@glimmer/env');
+    if (glimmerOptions) {
+      glimmerOptions.flags.DEBUG = isDebug;
+      glimmerOptions.flags.CI = !!process.env.CI;
+    }
+  }
+
+  return support;
+}
+
 module.exports = {
   plugins: [
     [
@@ -33,7 +56,7 @@ module.exports = {
         regenerator: false,
       },
     ],
-    ...babelCompatSupport(),
+    ...fixBabelCompatSupport(),
   ],
 
   generatorOpts: {