diff --git a/dom/xbl/nsBindingManager.cpp b/dom/xbl/nsBindingManager.cpp
index 75fd37eaa4a9..39037d3c64c0 100644
--- a/dom/xbl/nsBindingManager.cpp
+++ b/dom/xbl/nsBindingManager.cpp
@@ -245,14 +245,6 @@ nsBindingManager::ResolveTag(nsIContent* aContent, int32_t* aNameSpaceID)
   return aContent->NodeInfo()->NameAtom();
 }
 
-nsresult
-nsBindingManager::GetAnonymousNodesFor(nsIContent* aContent,
-                                       nsIDOMNodeList** aResult)
-{
-  NS_IF_ADDREF(*aResult = GetAnonymousNodesFor(aContent));
-  return NS_OK;
-}
-
 nsINodeList*
 nsBindingManager::GetAnonymousNodesFor(nsIContent* aContent)
 {
diff --git a/dom/xbl/nsBindingManager.h b/dom/xbl/nsBindingManager.h
index 30f785a3cf64..c5996111403c 100644
--- a/dom/xbl/nsBindingManager.h
+++ b/dom/xbl/nsBindingManager.h
@@ -26,7 +26,6 @@
 struct ElementDependentRuleProcessorData;
 class nsIXPConnectWrappedJS;
 class nsAtom;
-class nsIDOMNodeList;
 class nsIDocument;
 class nsIURI;
 class nsXBLDocumentInfo;
@@ -90,7 +89,6 @@ public:
    * <children> tags directly as kids of <content>.  This will only end up
    * returning a non-null list for nodes which have a binding attached.
    */
-  nsresult GetAnonymousNodesFor(nsIContent* aContent, nsIDOMNodeList** aResult);
   nsINodeList* GetAnonymousNodesFor(nsIContent* aContent);
 
   nsresult ClearBinding(mozilla::dom::Element* aElement);