diff --git a/Manual/contents/assets/css/default.css b/Manual/contents/assets/css/default.css
index dd9b008c8..f62b005fb 100644
--- a/Manual/contents/assets/css/default.css
+++ b/Manual/contents/assets/css/default.css
@@ -1060,9 +1060,6 @@ code.hljs {
   color: #ffb871;
   font-weight: 700;
 }
-.hljs-built_in {
-  color: #ffb871;
-}
 .hljs-literal {
   color: #ff8080;
 }