diff --git a/library/Icinga/Web/StyleSheet.php b/library/Icinga/Web/StyleSheet.php
index b1bbba231..3f1e2b2a7 100644
--- a/library/Icinga/Web/StyleSheet.php
+++ b/library/Icinga/Web/StyleSheet.php
@@ -10,7 +10,6 @@ use Icinga\Web\LessCompiler;
 class StyleSheet
 {
     protected static $lessFiles = array(
-        '../application/fonts/fontello-ifont/css/animation.css',
         '../application/fonts/fontello-ifont/css/ifont-embedded.css',
         'css/vendor/tipsy.css',
         'css/icinga/defaults.less',