diff --git a/lib/OpenLayers/Popup.js b/lib/OpenLayers/Popup.js
index 9b8ed6c69f..43b0466ed5 100644
--- a/lib/OpenLayers/Popup.js
+++ b/lib/OpenLayers/Popup.js
@@ -16,9 +16,6 @@ OpenLayers.Popup.prototype = {
     /** @type String */
     id: "",
 
-    /** reference to the parent DIV to which this popup is @type DOMElement */
-    parent: null,
-
     /** @type OpenLayers.LonLat */
     lonlat: null,