diff --git a/examples/topless.rs b/examples/topless.rs
index 4066f059f9..e154f89565 100644
--- a/examples/topless.rs
+++ b/examples/topless.rs
@@ -1,4 +1,4 @@
-#[allow(
+#![allow(
     unused_imports,
     unused_mut,
     unused_variables,
@@ -8,23 +8,16 @@
 )]
 use std::error::Error;
 
-#[cfg(windows_platform)]
 use winit::application::ApplicationHandler;
-#[cfg(windows_platform)]
 use winit::event::WindowEvent;
-#[cfg(windows_platform)]
 use winit::event_loop::{ActiveEventLoop, EventLoop};
-#[cfg(windows_platform)]
 use winit::window::{Window, WindowAttributes, WindowId};
 
-#[cfg(windows_platform)]
 #[path = "util/fill.rs"]
 mod fill;
-#[cfg(windows_platform)]
 #[path = "util/tracing.rs"]
 mod tracing;
 
-#[cfg(windows_platform)]
 use ::tracing::info;
 #[cfg(windows_platform)]
 fn main() -> Result<(), Box<dyn Error>> {
@@ -54,31 +47,24 @@ fn main() -> Result<(), Box<dyn Error>> {
 }
 
 /// Application state and event handling.
-#[cfg(windows_platform)]
 struct Application {
     window: Option<Box<dyn Window>>,
 }
 
-#[cfg(windows_platform)]
 impl Application {
     fn new() -> Self {
         Self { window: None }
     }
 }
 
-#[cfg(windows_platform)]
 use winit::event::ElementState;
-#[cfg(windows_platform)]
 use winit::keyboard::Key;
-#[cfg(windows_platform)]
 use winit::keyboard::ModifiersState;
-#[cfg(windows_platform)]
 use winit::platform::modifier_supplement::KeyEventExtModifierSupplement;
 #[cfg(windows_platform)]
 use winit::platform::windows::WindowAttributesExtWindows;
 #[cfg(windows_platform)]
 use winit::platform::windows::WindowExtWindows;
-#[cfg(windows_platform)]
 impl ApplicationHandler for Application {
     fn can_create_surfaces(&mut self, event_loop: &dyn ActiveEventLoop) {
         let window_attributes = WindowAttributes::default()