diff --git a/crates/eframe/src/epi/mod.rs b/crates/eframe/src/epi/mod.rs
index b3ea9d3f9..06f7fe219 100644
--- a/crates/eframe/src/epi/mod.rs
+++ b/crates/eframe/src/epi/mod.rs
@@ -782,19 +782,6 @@ impl Frame {
 
     /// If this is the main window will return true!
     /// When is a single window mode will always return true!
-    pub fn is_main_window(&self) -> bool {
-        self.info.viewport_id == 0
-    }
-
-    /// Returns the current viewport id
-    pub fn viewport_id(&self) -> u64 {
-        self.info.viewport_id
-    }
-
-    /// Returns the current viewport parent id
-    pub fn parent_viewport_id(&self) -> u64 {
-        self.info.parent_viewport
-    }
 
     /// A place where you can store custom data in a way that persists when you restart the app.
     pub fn storage(&self) -> Option<&dyn Storage> {
@@ -1147,12 +1134,6 @@ pub struct IntegrationInfo {
     /// The OS native pixels-per-point
     pub native_pixels_per_point: Option<f32>,
 
-    /// This is the id of the current native window
-    /// If this is the same as `parent_viewport` that means that is the main window
-    pub viewport_id: u64,
-    /// This is the id of the current native window
-    pub parent_viewport: u64,
-
     /// The position and size of the native window.
     #[cfg(not(target_arch = "wasm32"))]
     pub window_info: WindowInfo,
diff --git a/crates/eframe/src/lib.rs b/crates/eframe/src/lib.rs
index e682b537b..46d2c225d 100644
--- a/crates/eframe/src/lib.rs
+++ b/crates/eframe/src/lib.rs
@@ -279,10 +279,10 @@ pub fn run_simple_native(
             frame: &mut Frame,
             render_function: Option<&(dyn Fn(&egui::Context, u64, u64) + Send + Sync)>,
         ) {
-            if frame.is_main_window() {
+            if ctx.get_viewport_id() == 0 {
                 (self.update_fun)(ctx, frame);
             } else if let Some(render_function) = render_function {
-                render_function(ctx, frame.viewport_id(), frame.parent_viewport_id())
+                render_function(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id())
             }
         }
     }
diff --git a/crates/eframe/src/native/epi_integration.rs b/crates/eframe/src/native/epi_integration.rs
index 65237e7ed..2f2123a0d 100644
--- a/crates/eframe/src/native/epi_integration.rs
+++ b/crates/eframe/src/native/epi_integration.rs
@@ -369,8 +369,6 @@ impl EpiIntegration {
                 cpu_usage: None,
                 native_pixels_per_point: Some(native_pixels_per_point),
                 window_info: read_window_info(window, egui_ctx.pixels_per_point(), &window_state),
-                viewport_id: 0,
-                parent_viewport: 0,
             },
             output: epi::backend::AppOutput {
                 visible: Some(true),
@@ -511,8 +509,6 @@ impl EpiIntegration {
             read_window_info(window, self.egui_ctx.pixels_per_point(), &self.window_state);
         let mut raw_input = egui_winit.take_egui_input(window);
         raw_input.time = Some(self.beagining.elapsed().as_secs_f64());
-        self.frame.info.viewport_id = viewport_id;
-        self.frame.info.parent_viewport = parent_id;
 
         // Run user code:
         let full_output = self
diff --git a/crates/egui_demo_app/src/apps/custom3d_glow.rs b/crates/egui_demo_app/src/apps/custom3d_glow.rs
index d1bddc736..4cef4a536 100644
--- a/crates/egui_demo_app/src/apps/custom3d_glow.rs
+++ b/crates/egui_demo_app/src/apps/custom3d_glow.rs
@@ -24,11 +24,11 @@ impl eframe::App for Custom3d {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/crates/egui_demo_app/src/wrap_app.rs b/crates/egui_demo_app/src/wrap_app.rs
index d068b2a40..89b71d3d8 100644
--- a/crates/egui_demo_app/src/wrap_app.rs
+++ b/crates/egui_demo_app/src/wrap_app.rs
@@ -18,11 +18,11 @@ impl eframe::App for EasyMarkApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         self.editor.panels(ctx);
@@ -41,11 +41,11 @@ impl eframe::App for DemoApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         self.demo_windows.ui(ctx);
@@ -64,11 +64,11 @@ impl eframe::App for FractalClockApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default()
@@ -96,7 +96,7 @@ impl eframe::App for ColorTestApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
@@ -271,7 +271,7 @@ impl eframe::App for WrapApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         #[cfg(target_arch = "wasm32")]
diff --git a/examples/confirm_exit/src/main.rs b/examples/confirm_exit/src/main.rs
index 320d3f378..7494e2b86 100644
--- a/examples/confirm_exit/src/main.rs
+++ b/examples/confirm_exit/src/main.rs
@@ -41,7 +41,7 @@ impl eframe::App for MyApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/custom_3d_glow/src/main.rs b/examples/custom_3d_glow/src/main.rs
index b92f1faf4..34de52ef9 100644
--- a/examples/custom_3d_glow/src/main.rs
+++ b/examples/custom_3d_glow/src/main.rs
@@ -44,11 +44,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/custom_font/src/main.rs b/examples/custom_font/src/main.rs
index 4861ade24..5bd345fd0 100644
--- a/examples/custom_font/src/main.rs
+++ b/examples/custom_font/src/main.rs
@@ -63,11 +63,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/custom_font_style/src/main.rs b/examples/custom_font_style/src/main.rs
index b44775e3c..9e7f2f421 100644
--- a/examples/custom_font_style/src/main.rs
+++ b/examples/custom_font_style/src/main.rs
@@ -67,11 +67,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, content);
diff --git a/examples/custom_window_frame/src/main.rs b/examples/custom_window_frame/src/main.rs
index 352269e17..ebd6d63fb 100644
--- a/examples/custom_window_frame/src/main.rs
+++ b/examples/custom_window_frame/src/main.rs
@@ -37,7 +37,7 @@ impl eframe::App for MyApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         custom_window_frame(ctx, frame, "egui with custom frame", |ui| {
diff --git a/examples/download_image/src/main.rs b/examples/download_image/src/main.rs
index 77ac52c81..c2b940967 100644
--- a/examples/download_image/src/main.rs
+++ b/examples/download_image/src/main.rs
@@ -24,11 +24,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         let promise = self.promise.get_or_insert_with(|| {
diff --git a/examples/file_dialog/src/main.rs b/examples/file_dialog/src/main.rs
index 81c843549..b1288ad76 100644
--- a/examples/file_dialog/src/main.rs
+++ b/examples/file_dialog/src/main.rs
@@ -26,11 +26,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/hello_world/src/main.rs b/examples/hello_world/src/main.rs
index f27b4870a..70a8724dc 100644
--- a/examples/hello_world/src/main.rs
+++ b/examples/hello_world/src/main.rs
@@ -33,11 +33,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/hello_world_par/src/main.rs b/examples/hello_world_par/src/main.rs
index 6e2634191..f1b92d7b9 100644
--- a/examples/hello_world_par/src/main.rs
+++ b/examples/hello_world_par/src/main.rs
@@ -139,11 +139,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         let data = self.data.clone();
diff --git a/examples/keyboard_events/src/main.rs b/examples/keyboard_events/src/main.rs
index 648f7928c..983edf83f 100644
--- a/examples/keyboard_events/src/main.rs
+++ b/examples/keyboard_events/src/main.rs
@@ -22,11 +22,11 @@ impl eframe::App for Content {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/puffin_profiler/src/main.rs b/examples/puffin_profiler/src/main.rs
index 4dd7961f4..fbaa4d33c 100644
--- a/examples/puffin_profiler/src/main.rs
+++ b/examples/puffin_profiler/src/main.rs
@@ -20,11 +20,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/retained_image/src/main.rs b/examples/retained_image/src/main.rs
index 470fbf65a..785e5aebe 100644
--- a/examples/retained_image/src/main.rs
+++ b/examples/retained_image/src/main.rs
@@ -38,11 +38,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/screenshot/src/main.rs b/examples/screenshot/src/main.rs
index 0c124ff39..713124838 100644
--- a/examples/screenshot/src/main.rs
+++ b/examples/screenshot/src/main.rs
@@ -31,7 +31,7 @@ impl eframe::App for MyApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/serial_windows/src/main.rs b/examples/serial_windows/src/main.rs
index b3c653f07..01621414a 100644
--- a/examples/serial_windows/src/main.rs
+++ b/examples/serial_windows/src/main.rs
@@ -53,7 +53,7 @@ impl eframe::App for MyApp {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/svg/src/main.rs b/examples/svg/src/main.rs
index 18e2866ef..7037a0796 100644
--- a/examples/svg/src/main.rs
+++ b/examples/svg/src/main.rs
@@ -40,11 +40,11 @@ impl eframe::App for MyApp {
     fn update(
         &mut self,
         ctx: &egui::Context,
-        frame: &mut eframe::Frame,
+        _frame: &mut eframe::Frame,
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         egui::CentralPanel::default().show(ctx, |ui| {
diff --git a/examples/user_attention/src/main.rs b/examples/user_attention/src/main.rs
index 7a548c80e..7f92f9fae 100644
--- a/examples/user_attention/src/main.rs
+++ b/examples/user_attention/src/main.rs
@@ -61,7 +61,7 @@ impl eframe::App for Application {
         render: Option<&ViewportRender>,
     ) {
         if let Some(render) = render {
-            render(ctx, frame.viewport_id(), frame.parent_viewport_id());
+            render(ctx, ctx.get_viewport_id(), ctx.get_parent_viewport_id());
             return;
         }
         if let Some(request_at) = self.request_at {