diff --git a/packages/contented-preview/public/favicon/apple-touch-icon.png b/packages/contented-preview/public/favicon/apple-touch-icon.png
deleted file mode 100644
index 6ee86b8f..00000000
Binary files a/packages/contented-preview/public/favicon/apple-touch-icon.png and /dev/null differ
diff --git a/packages/contented-preview/public/favicon/favicon-16x16.png b/packages/contented-preview/public/favicon/favicon-16x16.png
deleted file mode 100644
index fd6bf706..00000000
Binary files a/packages/contented-preview/public/favicon/favicon-16x16.png and /dev/null differ
diff --git a/packages/contented-preview/public/favicon/favicon-32x32.png b/packages/contented-preview/public/favicon/favicon-32x32.png
deleted file mode 100644
index 053c7239..00000000
Binary files a/packages/contented-preview/public/favicon/favicon-32x32.png and /dev/null differ
diff --git a/packages/contented-preview/src/errors/PipelineCollectionNotFoundException.js b/packages/contented-preview/src/errors/PipelineCollectionNotFoundException.js
deleted file mode 100644
index 64a59445..00000000
--- a/packages/contented-preview/src/errors/PipelineCollectionNotFoundException.js
+++ /dev/null
@@ -1,5 +0,0 @@
-export class PipelineCollectionNotFoundException extends Error {
- constructor(pipelineName){
- super(`Pipeline type '${pipelineName}' cannot resolve its collection. Please check if contented.config.mjs is properly configured.`)
- }
-}
\ No newline at end of file
diff --git a/packages/contented-preview/src/pages/_app.page.jsx b/packages/contented-preview/src/pages/_app.page.jsx
index a8a0ee02..619c8f9d 100755
--- a/packages/contented-preview/src/pages/_app.page.jsx
+++ b/packages/contented-preview/src/pages/_app.page.jsx
@@ -15,7 +15,9 @@ export default function App({ Component, pageProps }) {