diff --git a/dom/ipc/BrowserChild.cpp b/dom/ipc/BrowserChild.cpp
index 84b806b3d525..b36772f0c83c 100644
--- a/dom/ipc/BrowserChild.cpp
+++ b/dom/ipc/BrowserChild.cpp
@@ -208,7 +208,7 @@ bool BrowserChild::UpdateFrame(const RepaintRequest& aRequest) {
       // Guard against stale updates (updates meant for a pres shell which
       // has since been torn down and destroyed).
       if (aRequest.GetPresShellId() == presShell->GetPresShellId()) {
-        ProcessUpdateFrame(aRequest);
+        APZCCallbackHelper::UpdateRootFrame(aRequest);
         return true;
       }
     }
@@ -221,14 +221,6 @@ bool BrowserChild::UpdateFrame(const RepaintRequest& aRequest) {
   return true;
 }
 
-void BrowserChild::ProcessUpdateFrame(const RepaintRequest& aRequest) {
-  if (!mBrowserChildMessageManager) {
-    return;
-  }
-
-  APZCCallbackHelper::UpdateRootFrame(aRequest);
-}
-
 NS_IMETHODIMP
 ContentListener::HandleEvent(Event* aEvent) {
   RemoteDOMEvent remoteEvent;
diff --git a/dom/ipc/BrowserChild.h b/dom/ipc/BrowserChild.h
index 2b7365efc7da..044c8ab728ba 100644
--- a/dom/ipc/BrowserChild.h
+++ b/dom/ipc/BrowserChild.h
@@ -752,10 +752,6 @@ class BrowserChild final : public nsMessageManagerScriptExecutor,
   void DispatchMessageManagerMessage(const nsAString& aMessageName,
                                      const nsAString& aJSONData);
 
-  void ProcessUpdateFrame(const mozilla::layers::RepaintRequest& aRequest);
-
-  bool UpdateFrameHandler(const mozilla::layers::RepaintRequest& aRequest);
-
   void HandleDoubleTap(const CSSPoint& aPoint, const Modifiers& aModifiers,
                        const ScrollableLayerGuid& aGuid);