diff --git a/include/capi/cef_render_handler_capi.h b/include/capi/cef_render_handler_capi.h
index 6826ca9c031fb72984011747ea01cacf3e6a3201..08e66fb5ec8d57323d3aa84c33746395c6b1fa98 100644
--- a/include/capi/cef_render_handler_capi.h
+++ b/include/capi/cef_render_handler_capi.h
@@ -427,14 +427,6 @@ typedef struct _cef_render_handler_t {
       struct _cef_browser_t *browser,
       cef_rect_t *rect);
 
-  ///
-  /// Called when loss frame.
-  ///
-  void(CEF_CALLBACK* send_dynamic_frame_loss_event)(struct _cef_render_handler_t* self,
-                                                    struct _cef_browser_t* browser,
-                                                    const cef_string_t* sceneId,
-                                                    bool isStart);
-
   ///
   /// OnResizeScrollableViewport.
   ///
diff --git a/include/cef_render_handler.h b/include/cef_render_handler.h
index c8d93053306c577cdc84c2d8bdfd33cf8c08d946..f323dffee39175531da1f7c8728d66461136ca11 100644
--- a/include/cef_render_handler.h
+++ b/include/cef_render_handler.h
@@ -437,14 +437,6 @@ class CefRenderHandler : public virtual CefBaseRefCounted {
   virtual void GetVisibleViewportRect(CefRefPtr<CefBrowser> browser,
                                       CefRect& rect) {}
 
-  ///
-  /// SendDynamicFrameLossEvent
-  ///
-  /*--cef()--*/
-  virtual void SendDynamicFrameLossEvent(CefRefPtr<CefBrowser> browser,
-                                         const CefString& sceneId,
-                                         bool isStart) {}
-
   ///
   /// OnResizeScrollableViewport.
   ///
diff --git a/libcef/browser/osr/render_widget_host_view_osr.cc b/libcef/browser/osr/render_widget_host_view_osr.cc
index a79404464b2de1eaf4e159521194f077306be8e5..78d4afa18c8e658a59323b0618ebd2ea005f7264 100644
--- a/libcef/browser/osr/render_widget_host_view_osr.cc
+++ b/libcef/browser/osr/render_widget_host_view_osr.cc
@@ -3416,14 +3416,6 @@ std::pair<int, int> CefRenderWidgetHostViewOSR::HandleCursorOffset() {
   return std::make_pair(x, y);
 }
 
-void CefRenderWidgetHostViewOSR::DynamicFrameLossEvent(const std::string& sceneId, bool isStart) {
-  if (browser_impl_.get()) {
-    CefRefPtr<CefRenderHandler> handler = browser_impl_->client()->GetRenderHandler();
-    CHECK(handler);
-    handler->SendDynamicFrameLossEvent(browser_impl_.get(), sceneId, isStart);
-  }
-}
-
 void CefRenderWidgetHostViewOSR::DidOverscroll(
     const ui::DidOverscrollParams& params) {
   if (browser_impl_.get()) {
diff --git a/libcef/browser/osr/render_widget_host_view_osr.h b/libcef/browser/osr/render_widget_host_view_osr.h
index fac31b00d940346415bc53fd7054c8b6412c464a..6e886fef50da4ab0f5f3f27cd0b33bb833b1cfdf 100644
--- a/libcef/browser/osr/render_widget_host_view_osr.h
+++ b/libcef/browser/osr/render_widget_host_view_osr.h
@@ -336,7 +336,6 @@ class CefRenderWidgetHostViewOSR
   void FocusedNodeChanged(bool is_editable_node,
                           const gfx::Rect& node_bounds_in_screen) override;
   void DidOverscroll(const ui::DidOverscrollParams& params) override;
-  void DynamicFrameLossEvent(const std::string& sceneId, bool isStart) override;
   void DidStopFlinging() override;
   blink::mojom::InputEventResultState FilterInputEvent(
       const blink::WebInputEvent& input_event) override;
diff --git a/libcef_dll/cpptoc/render_handler_cpptoc.cc b/libcef_dll/cpptoc/render_handler_cpptoc.cc
index 9afcea4a7fbb223b883890a75c3f882d9ca1af26..793e5a57af0bb291b1616fcf2a88ed8ca9c36395 100644
--- a/libcef_dll/cpptoc/render_handler_cpptoc.cc
+++ b/libcef_dll/cpptoc/render_handler_cpptoc.cc
@@ -1253,35 +1253,6 @@ render_handler_get_visible_viewport_rect(struct _cef_render_handler_t* self,
   }
 }
 
-void CEF_CALLBACK
-render_handler_send_dynamic_frame_loss_event(struct _cef_render_handler_t* self,
-                                             cef_browser_t* browser,
-                                             const cef_string_t* sceneId,
-                                             bool isStart) {
-  shutdown_checker::AssertNotShutdown();
-
-  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
-
-  DCHECK(self);
-  if (!self) {
-    return;
-  }
-  // Verify param: browser; type: refptr_diff
-  DCHECK(browser);
-  if (!browser) {
-    return;
-  }
-  // Verify param: cef_screen_rect; type: simple_byref_const
-  DCHECK(sceneId);
-  if (!sceneId) {
-    return;
-  }
-
-  // Execute
-  CefRenderHandlerCppToC::Get(self)->SendDynamicFrameLossEvent(
-      CefBrowserCToCpp::Wrap(browser), CefString(sceneId), isStart);
-}
-
 void CEF_CALLBACK
 render_handler_on_resize_scrollable_viewport(struct _cef_render_handler_t* self,
                                              cef_browser_t* browser) {
@@ -1384,8 +1355,6 @@ CefRenderHandlerCppToC::CefRenderHandlerCppToC() {
       render_handler_on_overlay_state_changed;
   GetStruct()->get_visible_viewport_rect =
       render_handler_get_visible_viewport_rect;
-  GetStruct()->send_dynamic_frame_loss_event =
-      render_handler_send_dynamic_frame_loss_event;
   GetStruct()->on_resize_scrollable_viewport =
       render_handler_on_resize_scrollable_viewport;
   GetStruct()->set_fill_content = render_handler_set_fill_content;
diff --git a/libcef_dll/ctocpp/render_handler_ctocpp.cc b/libcef_dll/ctocpp/render_handler_ctocpp.cc
index 80984800a67c0c49cbf3c279db3706e9519916fa..a0b4a6ef76b1abf5cb4af2b406c66b46fe4113e4 100644
--- a/libcef_dll/ctocpp/render_handler_ctocpp.cc
+++ b/libcef_dll/ctocpp/render_handler_ctocpp.cc
@@ -1032,34 +1032,6 @@ void CefRenderHandlerCToCpp::GetVisibleViewportRect(
                                      &rect);
 }
 
-NO_SANITIZE("cfi-icall")
-void CefRenderHandlerCToCpp::SendDynamicFrameLossEvent(CefRefPtr<CefBrowser> browser,
-                                                       const CefString& sceneId,
-                                                       bool isStart) {
-  shutdown_checker::AssertNotShutdown();
-
-  cef_render_handler_t* _struct = GetStruct();
-  if (CEF_MEMBER_MISSING(_struct, send_dynamic_frame_loss_event)) {
-    return;
-  }
-
-  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
-
-  // Verify param: text; type: string_byref_const
-  DCHECK(!sceneId.empty());
-  if (sceneId.empty()) {
-    return;
-  }
-  // Verify param: browser; type: refptr_diff
-  DCHECK(browser.get());
-  if (!browser.get()) {
-    return;
-  }
-
-  // Execute
-  _struct->send_dynamic_frame_loss_event(_struct, CefBrowserCppToC::Wrap(browser), sceneId.GetStruct(), isStart);
-}
-
 NO_SANITIZE("cfi-icall")
 void CefRenderHandlerCToCpp::OnResizeScrollableViewport(
     CefRefPtr<CefBrowser> browser) {
diff --git a/libcef_dll/ctocpp/render_handler_ctocpp.h b/libcef_dll/ctocpp/render_handler_ctocpp.h
index e29d09de259451c2eeff3d82814d5f6edffc99c2..f1d2eb6e42297578c39f72b75fb7a3711a577daa 100644
--- a/libcef_dll/ctocpp/render_handler_ctocpp.h
+++ b/libcef_dll/ctocpp/render_handler_ctocpp.h
@@ -138,9 +138,6 @@ class CefRenderHandlerCToCpp
                              const CefRect& cef_screen_rect) override;
   void GetVisibleViewportRect(CefRefPtr<CefBrowser> browser,
                               CefRect& rect) override;
-  void SendDynamicFrameLossEvent(CefRefPtr<CefBrowser> browser,
-                                 const CefString& sceneId,
-                                 bool isStart) override;
   void OnResizeScrollableViewport(CefRefPtr<CefBrowser> browser) override;
   void SetFillContent(const std::string& content) override;
 };