diff --git a/manifest.appcache b/manifest.appcache
index c306af8..21ca301 100644
--- a/manifest.appcache
+++ b/manifest.appcache
@@ -11,8 +11,6 @@ uhr-de.js
 uhr-de_CH.js
 uhr-en.js
 uhr-green.css
-uhr-idle-dark.css
-uhr-idle-light.css
 uhr-red.css
 uhr-white.css
 uhr.css