diff --git a/frontend/pages/_app.js b/frontend/pages/_app.js
index 7269508a..060f9a0e 100644
--- a/frontend/pages/_app.js
+++ b/frontend/pages/_app.js
@@ -21,7 +21,7 @@ export default function CachingApp({ Component, pageProps }) {
   const router = useRouter();
 
   useEffect(() => {
-    const handleStart = (url) => {
+    const handleStart = () => {
       NProgress.start();
     };
     const handleStop = () => {