diff --git a/web_interface/static/v3/js/widgets/style-editor.js b/web_interface/static/v3/js/widgets/style-editor.js
index 6220ffba..1017ae39 100644
--- a/web_interface/static/v3/js/widgets/style-editor.js
+++ b/web_interface/static/v3/js/widgets/style-editor.js
@@ -39,8 +39,6 @@
     var FONT_CACHE = null;
     var FONT_INFLIGHT = null;
 
-    var hasOwn = Object.prototype.hasOwnProperty;
-
     /**
      * Read one own property, by a key that came from data.
      *