diff --git a/libcef/renderer/alloy/alloy_content_renderer_client.cc b/libcef/renderer/alloy/alloy_content_renderer_client.cc
index 74d832773..4711c31d4 100644
--- a/libcef/renderer/alloy/alloy_content_renderer_client.cc
+++ b/libcef/renderer/alloy/alloy_content_renderer_client.cc
@@ -256,9 +256,6 @@ void AlloyContentRendererClient::WebKitInitialized() {
   // Create global objects associated with the default Isolate.
   CefV8IsolateCreated();
 
-  // TODO(cef): Enable these once the implementation supports it.
-  blink::WebRuntimeFeatures::EnableNotifications(false);
-
   const CefAppManager::SchemeInfoList* schemes =
       CefAppManager::Get()->GetCustomSchemes();
   if (!schemes->empty()) {
@@ -361,6 +358,13 @@ void AlloyContentRendererClient::RunSingleProcessCleanup() {
   } while (!complete);
 }
 
+void AlloyContentRendererClient::PostIOThreadCreated(
+  base::SingleThreadTaskRunner*) {
+  // TODO(cef): Enable these once the implementation supports it.
+  blink::WebRuntimeFeatures::EnableNotifications(false);
+  blink::WebRuntimeFeatures::EnablePushMessaging(false);
+}
+
 void AlloyContentRendererClient::RenderThreadStarted() {
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
diff --git a/libcef/renderer/alloy/alloy_content_renderer_client.h b/libcef/renderer/alloy/alloy_content_renderer_client.h
index f803b2f88..248450d60 100644
--- a/libcef/renderer/alloy/alloy_content_renderer_client.h
+++ b/libcef/renderer/alloy/alloy_content_renderer_client.h
@@ -96,6 +96,8 @@ class AlloyContentRendererClient
   void RunSingleProcessCleanup();
 
   // ContentRendererClient implementation.
+  void PostIOThreadCreated(
+      base::SingleThreadTaskRunner* io_thread_task_runner) override;
   void RenderThreadStarted() override;
   void ExposeInterfacesToBrowser(mojo::BinderMap* binders) override;
   void RenderThreadConnected() override;