diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index 5773a1c..0000000
--- a/.babelrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-	"presets": [
-		[
-			"@babel/preset-env",
-			{
-				"targets": { "node": "0.10" },
-				"bugfixes": true,
-				"spec": true,
-				"useBuiltIns": false,
-				"shippedProposals": true
-			}
-		]
-	]
-}
diff --git a/eslint.config.js b/eslint.config.js
index 254fab3..aa62509 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -2,7 +2,7 @@ import globals from "globals";
 
 export default [
     {
-        files: ["src/*.js", "test/*.js"],
+        files: ["lib/*.js", "test/*.js"],
         languageOptions: {
             ecmaVersion: "latest",
             sourceType: "module",
diff --git a/src/Subtag.js b/lib/Subtag.js
similarity index 100%
rename from src/Subtag.js
rename to lib/Subtag.js
diff --git a/src/Tag.js b/lib/Tag.js
similarity index 100%
rename from src/Tag.js
rename to lib/Tag.js
diff --git a/src/index.js b/lib/index.js
similarity index 100%
rename from src/index.js
rename to lib/index.js
diff --git a/package.json b/package.json
index bb364e8..45677b1 100644
--- a/package.json
+++ b/package.json
@@ -15,13 +15,8 @@
 	},
 	"license": "MIT",
 	"scripts": {
-		"prepublishOnly": "npm run build",
-		"prebuild": "rimraf lib && mkdirp lib",
-		"build": "babel src -d lib",
-		"lint": "eslint ./src ./test",
-		"tests-only": "c8 mocha",
-		"pretest": "npm run lint",
-		"test": "npm run tests-only"
+		"lint": "eslint ./lib ./test",
+		"test": "c8 mocha"
 	},
 	"keywords": [
 		"iana",
@@ -35,19 +30,15 @@
 		"language-subtag-registry": "^0.3.20"
 	},
 	"devDependencies": {
-		"@babel/cli": "^7.22.10",
-		"@babel/preset-env": "^7.22.10",
 		"coveralls": "^3.1.1",
 		"eslint": "^9.17.0",
-		"mkdirp": "^3.0.1",
 		"mocha": "^11.0.1",
-		"c8": "^10.1.3",
-		"rimraf": "^6.0.1"
+		"c8": "^10.1.3"
 	},
 	"files": [
 		"/lib"
 	],
 	"engines": {
-		"node": ">=0.10"
+		"node": ">=22"
 	}
 }
diff --git a/test/src/SubtagTest.js b/test/src/SubtagTest.js
index 789d81f..b1cb9e2 100644
--- a/test/src/SubtagTest.js
+++ b/test/src/SubtagTest.js
@@ -8,7 +8,7 @@
 
 import assert from 'assert';
 import {describe, it} from 'mocha';
-import Subtag from '../../src/Subtag.js';
+import Subtag from '../../lib/Subtag.js';
 
 describe('Subtag', function () {
 	it('subtag.type() returns type', function() {
diff --git a/test/src/TagTest.js b/test/src/TagTest.js
index 6b15da5..e0e2e98 100644
--- a/test/src/TagTest.js
+++ b/test/src/TagTest.js
@@ -8,7 +8,7 @@
 
 import assert from 'assert';
 import {describe, it} from 'mocha';
-import Tag from '../../src/Tag.js';
+import Tag from '../../lib/Tag.js';
 
 describe('Tag', function () {
 	it('tag.type() returns \'grandfathered\'', function() {
diff --git a/test/src/index-test.js b/test/src/index-test.js
index b1fb406..9c5c255 100644
--- a/test/src/index-test.js
+++ b/test/src/index-test.js
@@ -8,7 +8,7 @@
 
 import assert from 'assert';
 import {describe, it} from 'mocha';
-import tags from '../../src/index.js';
+import tags from '../../lib/index.js';
 
 describe('tags', function () {
 	it('date() returns file date', function() {