diff --git a/src/types/express-subdomain.d.ts b/src/types/express-subdomain.d.ts
deleted file mode 100644
index ddd27a8..0000000
--- a/src/types/express-subdomain.d.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-// * Credit to https://github.com/bmullan91/express-subdomain/pull/61 for the types!
-
-declare module 'express-subdomain' {
-	import type { Request, Response, Router } from 'express';
-
-	/**
-	 * @description The subdomain function.
-	 * @param subdomain The subdomain to listen on.
-	 * @param fn The listener function, takes a response and request.
-	 * @returns A function call to the value passed as FN, or void (the next function).
-	 */
-	export default function subdomain(
-		subdomain: string,
-		fn: Router | ((req: Request, res: Response) => void | any)
-	): (req: Request, res: Response, next: () => void) => void | typeof fn;
-}