diff --git a/app/phn-header/page.tsx b/app/phn-header/page.tsx
index 2b396b7..e365d4c 100644
--- a/app/phn-header/page.tsx
+++ b/app/phn-header/page.tsx
@@ -1,19 +1,19 @@
 'use client';
 
 import { PButton, PIcon, PLinkPure } from '@porsche-design-system/components-react/ssr';
-import React, { useEffect } from 'react';
-import { defineCustomElements } from '@porschehn/navigation/loader';
+import React from 'react';
+// import { defineCustomElements } from '@porschehn/navigation/loader';
 
 export default function PhnHeaderPage() {
-  useEffect(() => {
-    if (typeof window !== 'undefined') {
-      defineCustomElements(window);
-    }
-  }, []);
+  // useEffect(() => {
+  //   if (typeof window !== 'undefined') {
+  //     defineCustomElements(window);
+  //   }
+  // }, []);
 
   return (
     <>
-      <phn-header env="preview" locale="de-DE" style={{ position: 'absolute', left: 0, right: 0 }} />
+      {/*<phn-header env="preview" locale="de-DE" style={{ position: 'absolute', left: 0, right: 0 }} />*/}
 
       <div style={{ paddingTop: 180 }}>
         <PButton>Some PButton</PButton>
diff --git a/components/header.tsx b/components/header.tsx
index 4cc66bd..7b0a7ae 100644
--- a/components/header.tsx
+++ b/components/header.tsx
@@ -2,7 +2,7 @@ import { PDivider, PHeadline } from '@porsche-design-system/components-react/ssr
 import React from 'react';
 import { PrefixedLink } from './prefixedLink';
 
-export const Header = (): JSX.Element => (
+export const Header = () => (
   <>
     <PHeadline variant="headline-2" align="center">
       Example usage of the Porsche-Design-System NextJS
diff --git a/components/prefixedLink.tsx b/components/prefixedLink.tsx
index 0b12b16..ee2aba0 100644
--- a/components/prefixedLink.tsx
+++ b/components/prefixedLink.tsx
@@ -2,7 +2,7 @@ import { PLinkPure } from '@porsche-design-system/components-react/ssr';
 import Link, { LinkProps } from 'next/link';
 import React, { PropsWithChildren } from 'react';
 
-export const PrefixedLink = ({ href, ...props }: PropsWithChildren<LinkProps>): JSX.Element => (
+export const PrefixedLink = ({ href, ...props }: PropsWithChildren<LinkProps>) => (
   <PLinkPure>
     <Link href={href} as={`${process.env.BASE_PATH ?? ''}${href}`} {...props} />
   </PLinkPure>