diff --git a/src/app.rs b/src/app.rs
index 76baca6f9..4fd6e6396 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -351,7 +351,7 @@ where
 pub struct RuntimeGuard<'a>(Box<dyn BoxableGuard<'a> + 'a>);
 
 trait BoxableGuard<'a> {}
-impl<'a, T> BoxableGuard<'a> for T {}
+impl<T> BoxableGuard<'_> for T {}
 
 struct AppSettings {
     multi_click_threshold: Duration,
diff --git a/src/context.rs b/src/context.rs
index 0c3b6ece8..6f1a35232 100644
--- a/src/context.rs
+++ b/src/context.rs
@@ -529,7 +529,7 @@ impl<'context> Deref for EventContext<'context> {
     }
 }
 
-impl<'context> DerefMut for EventContext<'context> {
+impl DerefMut for EventContext<'_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.widget
     }
@@ -573,7 +573,7 @@ pub struct GraphicsContext<'context, 'clip, 'gfx, 'pass> {
     pub gfx: Exclusive<'context, Graphics<'clip, 'gfx, 'pass>>,
 }
 
-impl<'context, 'clip, 'gfx, 'pass> GraphicsContext<'context, 'clip, 'gfx, 'pass> {
+impl<'clip, 'gfx, 'pass> GraphicsContext<'_, 'clip, 'gfx, 'pass> {
     /// Returns a new instance that borrows from `self`.
     pub fn borrowed(&mut self) -> GraphicsContext<'_, 'clip, 'gfx, 'pass> {
         GraphicsContext {
@@ -749,7 +749,7 @@ impl Drop for GraphicsContext<'_, '_, '_, '_> {
     }
 }
 
-impl<'context, 'clip, 'gfx, 'pass> Deref for GraphicsContext<'context, 'clip, 'gfx, 'pass> {
+impl<'context> Deref for GraphicsContext<'context, '_, '_, '_> {
     type Target = WidgetContext<'context>;
 
     fn deref(&self) -> &Self::Target {
@@ -757,7 +757,7 @@ impl<'context, 'clip, 'gfx, 'pass> Deref for GraphicsContext<'context, 'clip, 'g
     }
 }
 
-impl<'context, 'clip, 'gfx, 'pass> DerefMut for GraphicsContext<'context, 'clip, 'gfx, 'pass> {
+impl DerefMut for GraphicsContext<'_, '_, '_, '_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.widget
     }
@@ -842,7 +842,7 @@ impl<'context, 'clip, 'gfx, 'pass> LayoutContext<'context, 'clip, 'gfx, 'pass> {
     }
 }
 
-impl<'context, 'clip, 'gfx, 'pass> AsEventContext for LayoutContext<'context, 'clip, 'gfx, 'pass> {
+impl AsEventContext for LayoutContext<'_, '_, '_, '_> {
     fn as_event_context(&mut self) -> EventContext<'_> {
         self.graphics.as_event_context()
     }
@@ -856,7 +856,7 @@ impl<'context, 'clip, 'gfx, 'pass> Deref for LayoutContext<'context, 'clip, 'gfx
     }
 }
 
-impl<'context, 'clip, 'gfx, 'pass> DerefMut for LayoutContext<'context, 'clip, 'gfx, 'pass> {
+impl DerefMut for LayoutContext<'_, '_, '_, '_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.graphics
     }
diff --git a/src/graphics.rs b/src/graphics.rs
index 62def7693..0b76bdace 100644
--- a/src/graphics.rs
+++ b/src/graphics.rs
@@ -32,7 +32,7 @@ enum RenderContext<'clip, 'gfx, 'pass> {
     Clipped(ClipGuard<'clip, Renderer<'gfx, 'pass>>),
 }
 
-impl<'clip, 'gfx, 'pass> Graphics<'clip, 'gfx, 'pass> {
+impl<'gfx, 'pass> Graphics<'_, 'gfx, 'pass> {
     /// Returns a new graphics context for the given [`Renderer`].
     #[must_use]
     pub fn new(renderer: Renderer<'gfx, 'pass>) -> Self {
@@ -335,7 +335,7 @@ impl<'clip, 'gfx, 'pass> Graphics<'clip, 'gfx, 'pass> {
     }
 }
 
-impl<'gfx, 'pass> Deref for Graphics<'_, 'gfx, 'pass> {
+impl Deref for Graphics<'_, '_, '_> {
     type Target = Kludgine;
 
     fn deref(&self) -> &Self::Target {
@@ -343,7 +343,7 @@ impl<'gfx, 'pass> Deref for Graphics<'_, 'gfx, 'pass> {
     }
 }
 
-impl<'gfx, 'pass> DerefMut for Graphics<'_, 'gfx, 'pass> {
+impl DerefMut for Graphics<'_, '_, '_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.renderer
     }
@@ -360,7 +360,7 @@ impl<'gfx, 'pass> Deref for RenderContext<'_, 'gfx, 'pass> {
     }
 }
 
-impl<'gfx, 'pass> DerefMut for RenderContext<'_, 'gfx, 'pass> {
+impl DerefMut for RenderContext<'_, '_, '_> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         match self {
             RenderContext::Renderer(renderer) => renderer,
diff --git a/src/styles.rs b/src/styles.rs
index d24daba49..e39f945c9 100644
--- a/src/styles.rs
+++ b/src/styles.rs
@@ -2607,7 +2607,7 @@ pub trait ProtoColor: Sized {
     }
 }
 
-impl<'a> ProtoColor for &'a ColorSource {
+impl ProtoColor for &'_ ColorSource {
     fn hue(&self) -> OklabHue {
         self.hue
     }
diff --git a/src/utils.rs b/src/utils.rs
index 03d515c9e..58f5a6d20 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -57,7 +57,7 @@ macro_rules! impl_with_clone {
     };
 }
 
-impl<'a, T> WithClone for &'a T
+impl<T> WithClone for &'_ T
 where
     T: Clone,
 {
diff --git a/src/value.rs b/src/value.rs
index 0c8b4c24e..5da9333dc 100644
--- a/src/value.rs
+++ b/src/value.rs
@@ -1544,7 +1544,7 @@ where
     }
 }
 
-impl<'a, T> DynamicMutexGuard<'a, T> {
+impl<T> DynamicMutexGuard<'_, T> {
     fn unlocked<R>(&mut self, while_unlocked: impl FnOnce() -> R) -> R {
         let previous_state = self.dynamic.during_callback_state.lock().take();
         let result = MutexGuard::unlocked(&mut self.guard, while_unlocked);
@@ -1554,7 +1554,7 @@ impl<'a, T> DynamicMutexGuard<'a, T> {
     }
 }
 
-impl<'a, T> Drop for DynamicMutexGuard<'a, T> {
+impl<T> Drop for DynamicMutexGuard<'_, T> {
     fn drop(&mut self) {
         let mut during_state = self.dynamic.during_callback_state.lock();
         *during_state = None;
@@ -1563,14 +1563,14 @@ impl<'a, T> Drop for DynamicMutexGuard<'a, T> {
     }
 }
 
-impl<'a, T> Deref for DynamicMutexGuard<'a, T> {
+impl<T> Deref for DynamicMutexGuard<'_, T> {
     type Target = State<T>;
 
     fn deref(&self) -> &Self::Target {
         &self.guard
     }
 }
-impl<'a, T> DerefMut for DynamicMutexGuard<'a, T> {
+impl<T> DerefMut for DynamicMutexGuard<'_, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.guard
     }
@@ -2198,7 +2198,7 @@ enum DynamicOrOwnedGuard<'a, T> {
     Owned(RefMut<'a, GenerationalValue<T>>),
     OwnedRef(&'a mut GenerationalValue<T>),
 }
-impl<'a, T> DynamicOrOwnedGuard<'a, T> {
+impl<T> DynamicOrOwnedGuard<'_, T> {
     fn note_changed(&mut self) -> Option<ChangeCallbacks> {
         match self {
             Self::Dynamic(guard) => Some(guard.note_changed()),
@@ -2214,7 +2214,7 @@ impl<'a, T> DynamicOrOwnedGuard<'a, T> {
     }
 }
 
-impl<'a, T> Deref for DynamicOrOwnedGuard<'a, T> {
+impl<T> Deref for DynamicOrOwnedGuard<'_, T> {
     type Target = GenerationalValue<T>;
 
     fn deref(&self) -> &Self::Target {
@@ -2226,7 +2226,7 @@ impl<'a, T> Deref for DynamicOrOwnedGuard<'a, T> {
     }
 }
 
-impl<'a, T> DerefMut for DynamicOrOwnedGuard<'a, T> {
+impl<T> DerefMut for DynamicOrOwnedGuard<'_, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         match self {
             Self::Dynamic(guard) => &mut guard.wrapped,
@@ -2272,7 +2272,7 @@ impl<T, const READONLY: bool> DynamicGuard<'_, T, READONLY> {
     }
 }
 
-impl<'a, T, const READONLY: bool> Deref for DynamicGuard<'a, T, READONLY> {
+impl<T, const READONLY: bool> Deref for DynamicGuard<'_, T, READONLY> {
     type Target = T;
 
     fn deref(&self) -> &Self::Target {
@@ -2280,7 +2280,7 @@ impl<'a, T, const READONLY: bool> Deref for DynamicGuard<'a, T, READONLY> {
     }
 }
 
-impl<'a, T> DerefMut for DynamicGuard<'a, T, false> {
+impl<T> DerefMut for DynamicGuard<'_, T, false> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         self.accessed_mut = true;
         &mut self.guard.value
@@ -2529,7 +2529,7 @@ impl<T> Drop for DynamicReader<T> {
 #[must_use = "futures must be .await'ed to be executed"]
 pub struct BlockUntilUpdatedFuture<'a, T>(&'a DynamicReader<T>);
 
-impl<'a, T> Future for BlockUntilUpdatedFuture<'a, T> {
+impl<T> Future for BlockUntilUpdatedFuture<'_, T> {
     type Output = bool;
 
     fn poll(self: std::pin::Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> Poll<Self::Output> {
@@ -3087,13 +3087,13 @@ impl<T> IntoValue<T> for T {
     }
 }
 
-impl<'a> IntoValue<String> for &'a str {
+impl IntoValue<String> for &'_ str {
     fn into_value(self) -> Value<String> {
         Value::Constant(self.to_owned())
     }
 }
 
-impl<'a> IntoReadOnly<String> for &'a str {
+impl IntoReadOnly<String> for &'_ str {
     fn into_read_only(self) -> ReadOnly<String> {
         ReadOnly::Constant(self.to_string())
     }
diff --git a/src/widgets/menu.rs b/src/widgets/menu.rs
index 18e00af39..657ece3b2 100644
--- a/src/widgets/menu.rs
+++ b/src/widgets/menu.rs
@@ -176,7 +176,7 @@ where
 /// A [`Menu`] that is preparing to be shown in an [`OverlayLayer`].
 pub struct MenuOverlay<'a>(OverlayBuilder<'a>, OpenMenuHandle);
 
-impl<'a> Overlayable for MenuOverlay<'a> {
+impl Overlayable for MenuOverlay<'_> {
     type Handle = OpenMenuHandle;
 
     fn hide_on_unhover(self) -> Self {
diff --git a/src/window.rs b/src/window.rs
index 709c1a7c5..a7db1258f 100644
--- a/src/window.rs
+++ b/src/window.rs
@@ -309,7 +309,7 @@ impl<W> RunningWindow<W>
 where
     W: PlatformWindowImplementation,
 {
-    #[allow(clippy::too_many_arguments)]
+    #[allow(clippy::too_many_arguments, clippy::ref_option)]
     pub(crate) fn new(
         window: W,
         kludgine_id: KludgineId,
@@ -4688,8 +4688,7 @@ where
 }
 
 fn copy_buffer_aligned_bytes_per_row(width: u32) -> u32 {
-    (width + COPY_BYTES_PER_ROW_ALIGNMENT - 1) / COPY_BYTES_PER_ROW_ALIGNMENT
-        * COPY_BYTES_PER_ROW_ALIGNMENT
+    width.div_ceil(COPY_BYTES_PER_ROW_ALIGNMENT) * COPY_BYTES_PER_ROW_ALIGNMENT
 }
 
 /// An animated PNG recorder.