diff --git a/druid-shell/src/backend/wayland/clipboard.rs b/druid-shell/src/backend/wayland/clipboard.rs
index abcc4c285..2ad9c20f0 100644
--- a/druid-shell/src/backend/wayland/clipboard.rs
+++ b/druid-shell/src/backend/wayland/clipboard.rs
@@ -247,7 +247,7 @@ impl Clipboard {
 
     /// Get a string from the system clipboard, if one is available.
     pub fn get_string(&self) -> Option<String> {
-        vec![Clipboard::UTF8, Clipboard::TEXT, Clipboard::UTF8_STRING]
+        [Clipboard::UTF8, Clipboard::TEXT, Clipboard::UTF8_STRING]
             .iter()
             .find_map(
                 |mimetype| match std::str::from_utf8(&self.inner.receive(*mimetype)?) {
diff --git a/druid-shell/src/backend/wayland/keyboard.rs b/druid-shell/src/backend/wayland/keyboard.rs
index c6ed94e94..4b55c3d8a 100644
--- a/druid-shell/src/backend/wayland/keyboard.rs
+++ b/druid-shell/src/backend/wayland/keyboard.rs
@@ -384,7 +384,6 @@ impl Manager {
                         if let Some(windata) = winhandle.data() {
                             windata.with_handler({
                                 let windata = windata.clone();
-                                let evt = evt;
                                 move |handler| match evt.state {
                                     KeyState::Up => {
                                         handler.key_up(evt.clone());
diff --git a/druid-shell/src/backend/wayland/window.rs b/druid-shell/src/backend/wayland/window.rs
index d5872df8f..3a7df3fdd 100644
--- a/druid-shell/src/backend/wayland/window.rs
+++ b/druid-shell/src/backend/wayland/window.rs
@@ -424,7 +424,7 @@ impl WindowBuilder {
     }
 
     pub fn build(self) -> Result<WindowHandle, ShellError> {
-        if matches!(self.menu, Some(_)) {
+        if self.menu.is_some() {
             tracing::warn!("menus unimplemented for wayland");
         }
 
@@ -552,7 +552,7 @@ pub mod layershell {
 
             let handle = WindowHandle::new(
                 surface.clone(),
-                surfaces::surface::Dead::default(),
+                surfaces::surface::Dead,
                 surface.clone(),
                 surface.clone(),
                 self.appdata.clone(),
@@ -622,7 +622,7 @@ pub mod popup {
 
         let handle = WindowHandle::new(
             surface.clone(),
-            surfaces::surface::Dead::default(),
+            surfaces::surface::Dead,
             surface.clone(),
             surface.clone(),
             wappdata,
diff --git a/druid/examples/sub_window.rs b/druid/examples/sub_window.rs
index 494951396..27e83f9b2 100644
--- a/druid/examples/sub_window.rs
+++ b/druid/examples/sub_window.rs
@@ -369,7 +369,7 @@ fn build_root_widget() -> impl Widget<HelloState> {
     // arrange the two widgets vertically, with some padding
     let layout = Flex::column()
         .with_child(label)
-        .with_flex_child(ScreenThing.lens(Unit::default()).padding(5.), 1.)
+        .with_flex_child(ScreenThing.lens(Unit).padding(5.), 1.)
         .with_spacer(VERTICAL_WIDGET_SPACING)
         .with_child(textbox)
         .with_child(button)