diff --git a/.github/workflows/node-esm.yml b/.github/workflows/node-esm.yml
deleted file mode 100644
index 6d387f2..0000000
--- a/.github/workflows/node-esm.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: 'Tests: node.js (ESM)'
-
-on: [pull_request, push]
-
-jobs:
-  tests:
-    uses: ljharb/actions/.github/workflows/node-esm.yml@main
-    with:
-      command: npm run tests-esm
\ No newline at end of file
diff --git a/index.mjs b/index.mjs
deleted file mode 100644
index 071705c..0000000
--- a/index.mjs
+++ /dev/null
@@ -1,9 +0,0 @@
-import callBind from 'call-bind';
-
-import getPolyfill from 'number.prototype.toexponential/polyfill';
-
-export default callBind(getPolyfill());
-
-export { default as getPolyfill } from 'number.prototype.toexponential/polyfill';
-export { default as implementation } from 'number.prototype.toexponential/implementation';
-export { default as shim } from 'number.prototype.toexponential/shim';
diff --git a/package.json b/package.json
index 720a42f..2769b0c 100644
--- a/package.json
+++ b/package.json
@@ -4,14 +4,7 @@
 	"description": "An ES-spec-compliant Number.prototype.toExponential shim/polyfill/replacement that works as far down as ES3",
 	"main": "index.js",
 	"exports": {
-		".": [
-			{
-				"import": "./index.mjs",
-				"require": "./index.js",
-				"default": "./index.js"
-			},
-			"./index.js"
-		],
+		".": "./index.js",
 		"./auto": "./auto.js",
 		"./polyfill": "./polyfill.js",
 		"./implementation": "./implementation.js",
@@ -26,8 +19,7 @@
 		"lint": "eslint --ext=js,mjs .",
 		"postlint": "es-shim-api --bound",
 		"tests-only": "nyc tape 'test/**/*.js'",
-		"tests-esm": "nyc node test/index.mjs",
-		"test": "npm run tests-only && npm run tests-esm",
+		"test": "npm run tests-only",
 		"posttest": "npx npm@'>= 10.2' audit --production",
 		"version": "auto-changelog && git add CHANGELOG.md",
 		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
diff --git a/test/index.mjs b/test/index.mjs
deleted file mode 100644
index 143f092..0000000
--- a/test/index.mjs
+++ /dev/null
@@ -1,24 +0,0 @@
-import toExponential, * as toExponentialModule from 'number.prototype.toexponential';
-import test from 'tape';
-import runTests from './tests.js';
-
-test('as a function', (t) => {
-	runTests(toExponential, t);
-
-	t.end();
-});
-
-test('named exports', async (t) => {
-	t.deepEqual(
-		Object.keys(toExponentialModule).sort(),
-		['default', 'shim', 'getPolyfill', 'implementation'].sort(),
-		'has expected named exports',
-	);
-
-	const { shim, getPolyfill, implementation } = toExponentialModule;
-	t.equal((await import('number.prototype.toexponential/shim')).default, shim, 'shim named export matches deep export');
-	t.equal((await import('number.prototype.toexponential/implementation')).default, implementation, 'implementation named export matches deep export');
-	t.equal((await import('number.prototype.toexponential/polyfill')).default, getPolyfill, 'getPolyfill named export matches deep export');
-
-	t.end();
-});