diff --git a/lib/ace/css/editor.css b/lib/ace/css/editor.css
index 2d79f9db..cd537ddd 100644
--- a/lib/ace/css/editor.css
+++ b/lib/ace/css/editor.css
@@ -19,10 +19,6 @@
   height: 100%;
 }
 
-.ace_gutter-cell.ace_error {
-    color: red;
-}
-
 .ace_editor .ace_sb {
   position: absolute;
   overflow-x: hidden;