diff --git a/docs/vendor/css/prettify.css b/docs/vendor/css/prettify.css
index 372cc791..7980e7c7 100644
--- a/docs/vendor/css/prettify.css
+++ b/docs/vendor/css/prettify.css
@@ -26,5 +26,4 @@ ol.linenums li {
   padding-left: 12px;
   color: #bebec5;
   line-height: 18px;
-  text-shadow: 0 1px 0 #fff;
 }