diff --git a/lib/ace/mode/css_worker.js b/lib/ace/mode/css_worker.js
index 87b6e3d6..96196baf 100644
--- a/lib/ace/mode/css_worker.js
+++ b/lib/ace/mode/css_worker.js
@@ -54,7 +54,10 @@ oop.inherits(Worker, Mirror);
         var value = this.doc.getValue();
         
         result = CSSLint.verify(value);
-        this.sender.emit("csslint", result.messages);
+        this.sender.emit("csslint", result.messages.map(function(msg) {
+            delete msg.rule;
+            return msg;
+        }));
     };
     
 }).call(Worker.prototype);