--- a/accessible/src/base/nsAccessible.h
+++ b/accessible/src/base/nsAccessible.h
@@ -645,17 +645,17 @@ protected:
    * Cache accessible children.
    */
   virtual void CacheChildren();
 
   /**
    * Set accessible parent and index in parent.
    */
   virtual void BindToParent(nsAccessible* aParent, PRUint32 aIndexInParent);
-  void UnbindFromParent();
+  virtual void UnbindFromParent();
 
   /**
    * Return sibling accessible at the given offset.
    */
   virtual nsAccessible* GetSiblingAtOffset(PRInt32 aOffset,
                                            nsresult *aError = nsnull) const;
 
   /**

--- a/accessible/src/base/nsBaseWidgetAccessible.cpp
+++ b/accessible/src/base/nsBaseWidgetAccessible.cpp
@@ -243,16 +243,26 @@ nsLinkableAccessible::BindToParent(nsAcc
     if (nsCoreUtils::HasClickListener(walkUpAcc->GetContent())) {
       mActionAcc = walkUpAcc;
       mIsOnclick = true;
       return;
     }
   }
 }
 
+void
+nsLinkableAccessible::UnbindFromParent()
+{
+  mActionAcc = nsnull;
+  mIsLink = false;
+  mIsOnclick = false;
+
+  nsAccessibleWrap::UnbindFromParent();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // nsEnumRoleAccessible
 ////////////////////////////////////////////////////////////////////////////////
 
 nsEnumRoleAccessible::
   nsEnumRoleAccessible(nsIContent* aNode, nsDocAccessible* aDoc,
                        roles::Role aRole) :
   nsAccessibleWrap(aNode, aDoc), mRole(aRole)

--- a/accessible/src/base/nsBaseWidgetAccessible.h
+++ b/accessible/src/base/nsBaseWidgetAccessible.h
@@ -103,16 +103,17 @@ public:
   virtual KeyBinding AccessKey() const;
 
   // HyperLinkAccessible
   virtual already_AddRefed<nsIURI> AnchorURIAt(PRUint32 aAnchorIndex);
 
 protected:
   // nsAccessible
   virtual void BindToParent(nsAccessible* aParent, PRUint32 aIndexInParent);
+  virtual void UnbindFromParent();
 
   /**
    * Parent accessible that provides an action for this linkable accessible.
    */
   nsAccessible* mActionAcc;
   bool mIsLink;
   bool mIsOnclick;
 };