diff --git a/browser.js b/browser.js
index 6f73765..65c3d6b 100644
--- a/browser.js
+++ b/browser.js
@@ -1,2 +1 @@
 export {default} from 'ky';
-export * from 'ky';
diff --git a/index.d.ts b/index.d.ts
index 6f73765..65c3d6b 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,2 +1 @@
 export {default} from 'ky';
-export * from 'ky';
diff --git a/index.js b/index.js
index e9527e1..84a47a9 100644
--- a/index.js
+++ b/index.js
@@ -1,16 +1,7 @@
 'use strict';
-const {URL, URLSearchParams} = require('url');
 const fetch = require('node-fetch');
 const AbortController = require('abort-controller');
 
-if (!global.URL) {
-	global.URL = URL;
-}
-
-if (!global.URLSearchParams) {
-	global.URLSearchParams = URLSearchParams;
-}
-
 if (!global.fetch) {
 	global.fetch = fetch;
 }
@@ -31,13 +22,4 @@ if (!global.AbortController) {
 	global.AbortController = AbortController;
 }
 
-const {
-	default: ky,
-	HTTPError,
-	TimeoutError
-} = require('ky/umd');
-
-module.exports = ky;
-module.exports.default = ky;
-module.exports.HTTPError = HTTPError;
-module.exports.TimeoutError = TimeoutError;
+module.exports = require('ky/umd');
diff --git a/package.json b/package.json
index f6ed252..7631e3c 100644
--- a/package.json
+++ b/package.json
@@ -4,13 +4,14 @@
 	"description": "Use Ky in both Node.js and browsers",
 	"license": "MIT",
 	"repository": "sindresorhus/ky-universal",
+	"funding": "https://github.com/sindresorhus/ky-universal?sponsor=1",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "sindresorhus@gmail.com",
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=8"
+		"node": ">=10"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -56,12 +57,12 @@
 		"node-fetch": "^2.6.0"
 	},
 	"devDependencies": {
-		"ava": "^2.2.0",
-		"ky": "^0.12.0",
-		"xo": "^0.24.0"
+		"ava": "^2.4.0",
+		"ky": "^0.17.0",
+		"xo": "^0.25.3"
 	},
 	"peerDependencies": {
-		"ky": ">=0.12.0"
+		"ky": ">=0.17.0"
 	},
 	"browser": "browser.js",
 	"ava": {
diff --git a/readme.md b/readme.md
index 68efded..a8d9742 100644
--- a/readme.md
+++ b/readme.md
@@ -15,7 +15,6 @@ Keep in mind that Ky targets [modern browsers](https://github.com/sindresorhus/k
 
 **If you only target Node.js, I would strongly recommend using [Got](https://github.com/sindresorhus/got) instead.**
 
-
 ## Install
 
 ```
@@ -24,7 +23,6 @@ $ npm install ky ky-universal
 
 *Note that you also need to install `ky`.*
 
-
 ## Usage
 
 ```js
@@ -37,12 +35,10 @@ const ky = require('ky-universal');
 })();
 ```
 
-
 ## API
 
 The API is exactly the same as the [Ky API](https://github.com/sindresorhus/ky#api).
 
-
 ## FAQ
 
 #### How do I use this with a web app (React, Vue.js, etc.) that uses server-side rendering (SSR)?
@@ -77,7 +73,6 @@ Put the following in package.json:
 
 The library that uses Ky will now *just work* in AVA tests.
 
-
 ## Related
 
 - [ky](https://github.com/sindresorhus/ky) - Tiny and elegant HTTP client based on the browser Fetch API