diff --git a/app/static/workspace.less b/app/static/workspace.less
index cd57656d7..477716572 100644
--- a/app/static/workspace.less
+++ b/app/static/workspace.less
@@ -402,7 +402,6 @@ body.platform-win32.window-type-default {
       line-height: 36px;
       img.content-mask {
         vertical-align: middle;
-        background-color: @text-color-heading;
       }
     }
   }