diff --git a/scripts/build/build-javascript-module.js b/scripts/build/build-javascript-module.js
index 0e1112527..379f68b2d 100644
--- a/scripts/build/build-javascript-module.js
+++ b/scripts/build/build-javascript-module.js
@@ -9,7 +9,6 @@ import esbuildPluginEvaluate from "./esbuild-plugins/evaluate.mjs";
 import esbuildPluginReplaceModule from "./esbuild-plugins/replace-module.mjs";
 import esbuildPluginLicense from "./esbuild-plugins/license.mjs";
 import esbuildPluginUmd from "./esbuild-plugins/umd.mjs";
-import esbuildPluginInteropDefault from "./esbuild-plugins/interop-default.mjs";
 import esbuildPluginVisualizer from "./esbuild-plugins/visualizer.mjs";
 import esbuildPluginStripNodeProtocol from "./esbuild-plugins/strip-node-protocol.mjs";
 import esbuildPluginThrowWarnings from "./esbuild-plugins/throw-warnings.mjs";
@@ -248,7 +247,6 @@ function getEsbuildOptions({ file, files, shouldCollectLicenses, cliOptions }) {
       esbuildOptions.plugins.push(
         esbuildPluginUmd({
           name: file.output.umdVariableName,
-          interopDefault: buildOptions.interopDefault ?? true,
         })
       );
     }
@@ -256,10 +254,6 @@ function getEsbuildOptions({ file, files, shouldCollectLicenses, cliOptions }) {
     esbuildOptions.platform = "node";
     esbuildOptions.external.push(...files.map((file) => file.output.file));
 
-    if (file.output.format !== "esm" && buildOptions.interopDefault) {
-      esbuildOptions.plugins.push(esbuildPluginInteropDefault());
-    }
-
     // https://github.com/evanw/esbuild/issues/1921
     if (file.output.format === "esm") {
       esbuildOptions.plugins.push(esbuildPluginShimCommonjsObjects());
diff --git a/scripts/build/config.mjs b/scripts/build/config.mjs
index a4b179eee..4613e9b01 100644
--- a/scripts/build/config.mjs
+++ b/scripts/build/config.mjs
@@ -22,7 +22,6 @@ const resolveEsmModulePath = async (specifier) =>
  * @property {object[]?} replaceModule - Module replacements
  * @property {string[]?} target - ESBuild targets
  * @property {string[]?} external - array of paths that should not be included in the final bundle
- * @property {boolean?} interopDefault - interop default export
  * @property {boolean?} minify - disable code minification
  *
  * @typedef {Object} Output
@@ -326,13 +325,11 @@ const nonPluginUniversalFiles = [
     input: "src/document/index.js",
     outputBaseName: "doc",
     umdVariableName: "doc",
-    interopDefault: false,
     minify: false,
   },
   {
     input: "src/standalone.js",
     umdVariableName: "prettier",
-    interopDefault: false,
     replaceModule: [
       {
         module: require.resolve("@babel/highlight"),
diff --git a/scripts/build/esbuild-plugins/interop-default.mjs b/scripts/build/esbuild-plugins/interop-default.mjs
deleted file mode 100644
index d9970bdaa..000000000
--- a/scripts/build/esbuild-plugins/interop-default.mjs
+++ /dev/null
@@ -1,36 +0,0 @@
-import fs from "node:fs";
-
-export default function esbuildPluginInteropDefault() {
-  return {
-    name: "interop-default",
-    setup(build) {
-      const { onEnd, initialOptions: esbuildOptions } = build;
-
-      onEnd(() => {
-        const file = esbuildOptions.outfile;
-
-        if (!fs.existsSync(file)) {
-          throw new Error(`${file} not exists`);
-        }
-
-        const text = fs.readFileSync(file, "utf8").trim();
-        const lines = text.split("\n");
-        if (
-          lines.at(-2) !==
-            "// Annotate the CommonJS export names for ESM import in node:" ||
-          lines.at(-1) !== "0 && (module.exports = {});"
-        ) {
-          throw new Error("Unexpected output.");
-        }
-        lines.length -= 2;
-
-        lines.push(
-          "// Interop default export",
-          "module.exports = module.exports.default"
-        );
-
-        fs.writeFileSync(file, lines.join("\n"));
-      });
-    },
-  };
-}
diff --git a/scripts/build/esbuild-plugins/umd.mjs b/scripts/build/esbuild-plugins/umd.mjs
index 212709af9..1a15a5c7f 100644
--- a/scripts/build/esbuild-plugins/umd.mjs
+++ b/scripts/build/esbuild-plugins/umd.mjs
@@ -3,7 +3,7 @@ import camelCase from "camelcase";
 import { outdent } from "outdent";
 
 const PLACEHOLDER = "__PLACEHOLDER__";
-function getUmdWrapper({ name, interopDefault = false }, build) {
+function getUmdWrapper({ name }, build) {
   const path = name.split(".");
   const { minify } = build.initialOptions;
   const temporaryName = minify ? "m" : camelCase(name);
@@ -23,17 +23,15 @@ function getUmdWrapper({ name, interopDefault = false }, build) {
 
   let wrapper = outdent`
     (function (factory) {
-      function interopModuleDefault(factory) {
+      function interopModuleDefault() {
         var module = factory();
-        return module${interopDefault ? ".default" : ""};
+        return module.default || module;
       }
 
       if (typeof exports === "object" && typeof module === "object") {
-        module.exports = interopModuleDefault(factory);
+        module.exports = interopModuleDefault();
       } else if (typeof define === "function" && define.amd) {
-        define(function () {
-          return interopModuleDefault(factory)
-        });
+        define(interopModuleDefault);
       } else {
         var root =
           typeof globalThis !== "undefined"
@@ -43,7 +41,7 @@ function getUmdWrapper({ name, interopDefault = false }, build) {
             : typeof self !== "undefined"
             ? self
             : this || {};
-        ${globalObjectText.trimStart()} = interopModuleDefault(factory);
+        ${globalObjectText.trimStart()} = interopModuleDefault();
       }
     })(function() {
       "use strict";${PLACEHOLDER}