diff --git a/frontend/src/components/Auth/Header.vue b/frontend/src/components/Auth/Header.vue
index f19f5c0a0..a74b4d656 100644
--- a/frontend/src/components/Auth/Header.vue
+++ b/frontend/src/components/Auth/Header.vue
@@ -29,7 +29,6 @@ export default {
     return {
       logo: 'img/brand/green.png',
       sheet: 'img/template/Blaetter.png',
-      windowWidth: window.innerWidth,
     }
   },
 }