diff --git a/.travis.yml b/.travis.yml
index e155464..f98fed0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,3 @@ node_js:
   - '12'
   - '10'
   - '8'
-  - '6'
diff --git a/index.d.ts b/index.d.ts
index c4675e1..aa6608f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -21,34 +21,25 @@ declare namespace pDefer {
 	}
 }
 
-declare const pDefer: {
-	/**
-	Create a deferred promise.
+/**
+Create a deferred promise.
 
-	@example
-	```
-	import pDefer = require('p-defer');
+@example
+```
+import pDefer = require('p-defer');
 
-	function delay(ms) {
-		const deferred = pDefer();
-		setTimeout(deferred.resolve, ms, '🦄');
-		return deferred.promise;
-	}
+function delay(ms) {
+	const deferred = pDefer();
+	setTimeout(deferred.resolve, ms, '🦄');
+	return deferred.promise;
+}
 
-	(async () => {
-		console.log(await delay(100));
-		//=> '🦄'
-	})();
-	```
-	*/
-	<ValueType>(): pDefer.DeferredPromise<ValueType>;
-
-	// TODO: Remove this for the next major release, refactor the whole definition to:
-	// declare function pDefer<ValueType>(): pDefer.DeferredPromise<
-	// 	ValueType
-	// >;
-	// export = pDefer;
-	default: typeof pDefer;
-};
+(async () => {
+	console.log(await delay(100));
+	//=> '🦄'
+})();
+```
+*/
+declare function pDefer<ValueType>(): pDefer.DeferredPromise<ValueType>;
 
 export = pDefer;
diff --git a/index.js b/index.js
index 552c70b..81ff2d2 100644
--- a/index.js
+++ b/index.js
@@ -12,5 +12,3 @@ const pDefer = () => {
 };
 
 module.exports = pDefer;
-// TODO: Remove this for the next major release
-module.exports.default = pDefer;
diff --git a/package.json b/package.json
index b80b2bc..6d8b2ac 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -29,12 +29,11 @@
 		"later",
 		"async",
 		"await",
-		"promises",
-		"bluebird"
+		"promises"
 	],
 	"devDependencies": {
 		"ava": "^2.0.0",
-		"tsd": "^0.7.2",
+		"tsd": "^0.7.3",
 		"xo": "^0.24.0"
 	}
 }
diff --git a/readme.md b/readme.md
index 1e6c7e9..3b4849e 100644
--- a/readme.md
+++ b/readme.md
@@ -36,15 +36,10 @@ function delay(ms) {
 
 ### pDefer()
 
-Returns an `Object` with a `promise` property and functions to `resolve()` and `reject()`.
+Returns an `object` with a `promise` property and functions to `resolve()` and `reject()`.
 
 
 ## Related
 
 - [p-lazy](https://github.com/sindresorhus/p-lazy) - Create a lazy promise that defers execution until `.then()` or `.catch()` is called
 - [More…](https://github.com/sindresorhus/promise-fun)
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)