1 files changed, 0 insertions, 9 deletions
diff --git a/dom/base/nsIDocument.h b/dom/base/nsIDocument.h
index 125816c95..3088736bd 100644
--- a/dom/base/nsIDocument.h
+++ b/dom/base/nsIDocument.h
@@ -133,7 +133,6 @@ class DOMIntersectionObserver;
 class DOMStringList;
 class Element;
 struct ElementCreationOptions;
-struct ElementRegistrationOptions;
 class Event;
 class EventTarget;
 class FontFaceSet;
@@ -2587,14 +2586,6 @@ public:
 
   nsIDocument* GetTopLevelContentDocument();
 
-  virtual void
-    RegisterElement(JSContext* aCx, const nsAString& aName,
-                    const mozilla::dom::ElementRegistrationOptions& aOptions,
-                    JS::MutableHandle<JSObject*> aRetval,
-                    mozilla::ErrorResult& rv) = 0;
-  virtual already_AddRefed<mozilla::dom::CustomElementRegistry>
-    GetCustomElementRegistry() = 0;
-
   already_AddRefed<nsContentList>
   GetElementsByTagName(const nsAString& aTagName)
   {