diff --git a/toolkit/components/feeds/public/nsIFeedEntry.idl b/toolkit/components/feeds/public/nsIFeedEntry.idl
index 7866f8227a9b..9a49c7deb661 100644
--- a/toolkit/components/feeds/public/nsIFeedEntry.idl
+++ b/toolkit/components/feeds/public/nsIFeedEntry.idl
@@ -47,11 +47,6 @@ interface nsIArray;
 [scriptable, uuid(31bfd5b4-8ff5-4bfd-a8cb-b3dfbd4f0a5b)]
 interface nsIFeedEntry : nsIFeedContainer {
 
-  /**
-  * Parent Feed, Entry, or Item.
-  */
-  attribute nsIFeedContainer parent;
-
   /**
   * Uses description, subtitle, summary, content and extensions
   * to generate a summary. 
diff --git a/toolkit/components/feeds/src/FeedProcessor.js b/toolkit/components/feeds/src/FeedProcessor.js
index 7b21e438ba8d..3b7c5063c985 100644
--- a/toolkit/components/feeds/src/FeedProcessor.js
+++ b/toolkit/components/feeds/src/FeedProcessor.js
@@ -1378,12 +1378,9 @@ FeedProcessor.prototype = {
     var obj, key, prefix;
 
     // If the container is an entry/item, it'll need to have its 
-    // more esoteric properties put in the 'fields' property bag, and set its
-    // parent.
+    // more esoteric properties put in the 'fields' property bag.
     if (elementInfo.containerClass == Cc[ENTRY_CONTRACTID]) {
       obj = elementInfo.containerClass.createInstance(Ci.nsIFeedEntry);
-      // Set the parent property of the entry.
-      obj.parent = this._result.doc;
       obj.baseURI = this._xmlBaseStack[this._xmlBaseStack.length - 1];
       this._mapAttributes(obj.fields, attributes);
     }
diff --git a/toolkit/components/feeds/test/xml/rfc4287/entry_parent.xml b/toolkit/components/feeds/test/xml/rfc4287/entry_parent.xml
deleted file mode 100644
index d68b408c340d..000000000000
--- a/toolkit/components/feeds/test/xml/rfc4287/entry_parent.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="iso-8859-1"?>
-<!--
-
-Description: atom feed and entry with random attributes works
-Expect: var parent = feed.items.queryElementAt(1, Components.interfaces.nsIFeedEntry).parent; parent.title.text == "hmm";
-
--->
-<feed xmlns="http://www.w3.org/2005/Atom"
-      xmlns:foo="http://www.example.org"
-      foo:quux="quuux">
-
-  <title>hmm</title>
-
-  <author>
-    <email>hmm@example.com</email>
-    <name>foo</name>
-  </author>
-  <generator version="1.1" uri="http://example.org">Hmm</generator>
-  <author>
-    <email>bar@example.com</email>
-    <name>foo</name>
-  </author>
-  <rights type="xhtml">
-    <div xmlns="http://www.w3.org/1999/xhtml"><i>test</i> rights</div>
-  </rights>
-  
-
-  <entry></entry>
-
-  <entry foo:bar="baz">
-    <title>test</title>
-    
-  </entry>
-
-</feed>