diff --git a/examples/swr-devtools-demo/pages/_document.tsx b/examples/swr-devtools-demo/pages/_document.tsx
index 7ca4804..96d1213 100644
--- a/examples/swr-devtools-demo/pages/_document.tsx
+++ b/examples/swr-devtools-demo/pages/_document.tsx
@@ -10,7 +10,6 @@ export default class MyDocument extends Document {
       ctx.renderPage = () =>
         originalRenderPage({
           enhanceApp: (App) => (props) =>
-            // @ts-expect-error  error TS2786: 'App' cannot be used as a JSX component.
             sheet.collectStyles(<App {...props} />),
         });
 
diff --git a/examples/swr-v1-devtools-demo/pages/_document.tsx b/examples/swr-v1-devtools-demo/pages/_document.tsx
index 78ce7ad..96d1213 100644
--- a/examples/swr-v1-devtools-demo/pages/_document.tsx
+++ b/examples/swr-v1-devtools-demo/pages/_document.tsx
@@ -10,7 +10,6 @@ export default class MyDocument extends Document {
       ctx.renderPage = () =>
         originalRenderPage({
           enhanceApp: (App) => (props) =>
-            // @ts-expect-error
             sheet.collectStyles(<App {...props} />),
         });
 
diff --git a/examples/swr-v1-legacy-devtools-demo/pages/_app.tsx b/examples/swr-v1-legacy-devtools-demo/pages/_app.tsx
index 0632f1f..2800333 100644
--- a/examples/swr-v1-legacy-devtools-demo/pages/_app.tsx
+++ b/examples/swr-v1-legacy-devtools-demo/pages/_app.tsx
@@ -13,6 +13,7 @@ const fetcher = async (url) => {
 
 function MyApp({ Component, pageProps }) {
   return (
+    // @ts-expect-error
     <SWRConfig value={{ fetcher }}>
       <SWRDevTools>
         <Component {...pageProps} />
diff --git a/examples/swr-v1-legacy-devtools-demo/pages/_document.tsx b/examples/swr-v1-legacy-devtools-demo/pages/_document.tsx
index 78ce7ad..96d1213 100644
--- a/examples/swr-v1-legacy-devtools-demo/pages/_document.tsx
+++ b/examples/swr-v1-legacy-devtools-demo/pages/_document.tsx
@@ -10,7 +10,6 @@ export default class MyDocument extends Document {
       ctx.renderPage = () =>
         originalRenderPage({
           enhanceApp: (App) => (props) =>
-            // @ts-expect-error
             sheet.collectStyles(<App {...props} />),
         });