diff --git a/browser/components/feeds/src/FeedConverter.js b/browser/components/feeds/src/FeedConverter.js
index 3cdbd04ecc50..1e9edb033ec6 100644
--- a/browser/components/feeds/src/FeedConverter.js
+++ b/browser/components/feeds/src/FeedConverter.js
@@ -132,6 +132,7 @@ FeedConverter.prototype = {
   _releaseHandles: function FC__releaseHandles() {
     this._listener = null;
     this._request = null;
+    this._processor = null;
   },
   
   /**
diff --git a/browser/components/feeds/src/FeedWriter.js b/browser/components/feeds/src/FeedWriter.js
index b1f9e7b4e9cd..fff21f1bb755 100755
--- a/browser/components/feeds/src/FeedWriter.js
+++ b/browser/components/feeds/src/FeedWriter.js
@@ -847,6 +847,12 @@ FeedWriter.prototype = {
    * See nsIFeedWriter
    */
   close: function FW_close() {
+    this._document
+        .getElementById("handlersMenuPopup")
+        .removeEventListener("command", this, false);
+    this._document
+        .getElementById("subscribeButton")
+        .removeEventListener("command", this, false);
     this._document = null;
     this._window = null;
     var prefs =   
@@ -857,7 +863,11 @@ FeedWriter.prototype = {
     prefs.removeObserver(PREF_SELECTED_WEB, this);
     prefs.removeObserver(PREF_SELECTED_APP, this);
     this._removeFeedFromCache();
-
+    this.__faviconService = null;
+    this.__bundle = null;
+    this._selectedApplicationItemWrapped = null;
+    this._defaultSystemReaderItemWrapped = null;
+    this._FeedURI = null;
     var historySvc = Cc[NH_CONTRACTID].getService(Ci.nsINavHistoryService);
     historySvc.removeObserver(this);
   },