diff --git a/agb/src/display/blend.rs b/agb/src/display/blend.rs
index 01443e632..35bbd70c9 100644
--- a/agb/src/display/blend.rs
+++ b/agb/src/display/blend.rs
@@ -60,7 +60,7 @@ pub struct BlendLayer<'blend, 'gba> {
     layer: Layer,
 }
 
-impl<'gba> BlendLayer<'_, 'gba> {
+impl BlendLayer<'_, '_> {
     /// Set whether a background is enabled for blending on this layer.
     pub fn set_background_enable(&mut self, background: BackgroundID, enable: bool) -> &mut Self {
         self.blend
diff --git a/agb/src/display/font.rs b/agb/src/display/font.rs
index ae3bde95d..389abe206 100644
--- a/agb/src/display/font.rs
+++ b/agb/src/display/font.rs
@@ -135,7 +135,7 @@ pub struct TextWriter<'a, 'b> {
     bg: &'a mut RegularMap,
 }
 
-impl<'a, 'b> Write for TextWriter<'a, 'b> {
+impl Write for TextWriter<'_, '_> {
     fn write_str(&mut self, text: &str) -> Result<(), Error> {
         for c in text.chars() {
             self.text_renderer.write_char(
@@ -150,7 +150,7 @@ impl<'a, 'b> Write for TextWriter<'a, 'b> {
     }
 }
 
-impl<'a, 'b> TextWriter<'a, 'b> {
+impl TextWriter<'_, '_> {
     pub fn commit(self) {
         self.text_renderer.commit(self.bg, self.vram_manager);
     }
diff --git a/agb/src/display/object/font/preprocess.rs b/agb/src/display/object/font/preprocess.rs
index 714350741..f91359c71 100644
--- a/agb/src/display/object/font/preprocess.rs
+++ b/agb/src/display/object/font/preprocess.rs
@@ -134,7 +134,7 @@ impl Line {
     }
 }
 
-impl<'pre> Iterator for Lines<'pre> {
+impl Iterator for Lines<'_> {
     type Item = Line;
 
     fn next(&mut self) -> Option<Self::Item> {
diff --git a/agb/src/display/object/unmanaged/object.rs b/agb/src/display/object/unmanaged/object.rs
index f8ebcedd9..d4497c3bc 100644
--- a/agb/src/display/object/unmanaged/object.rs
+++ b/agb/src/display/object/unmanaged/object.rs
@@ -70,7 +70,7 @@ pub struct OamIterator<'oam> {
     frame_data: &'oam UnsafeCell<OamFrameModifyables>,
 }
 
-impl<'oam> OamIterator<'oam> {
+impl OamIterator<'_> {
     /// Sets the next oam slot with the provided `object`.
     ///
     /// Is equivalent to the following:
diff --git a/agb/src/display/tiled/map.rs b/agb/src/display/tiled/map.rs
index 5cd342952..248e5693b 100644
--- a/agb/src/display/tiled/map.rs
+++ b/agb/src/display/tiled/map.rs
@@ -487,7 +487,7 @@ pub struct MapLoan<'a, T> {
     screenblock_list: &'a RefCell<Bitarray<1>>,
 }
 
-impl<'a, T> Deref for MapLoan<'a, T> {
+impl<T> Deref for MapLoan<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &Self::Target {
@@ -495,7 +495,7 @@ impl<'a, T> Deref for MapLoan<'a, T> {
     }
 }
 
-impl<'a, T> DerefMut for MapLoan<'a, T> {
+impl<T> DerefMut for MapLoan<'_, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         &mut self.map
     }
@@ -526,7 +526,7 @@ impl<'a, T> MapLoan<'a, T> {
     }
 }
 
-impl<'a, T> Drop for MapLoan<'a, T> {
+impl<T> Drop for MapLoan<'_, T> {
     fn drop(&mut self) {
         self.map_list
             .borrow_mut()
diff --git a/agb/src/display/window.rs b/agb/src/display/window.rs
index f9accbd1c..e248d1f22 100644
--- a/agb/src/display/window.rs
+++ b/agb/src/display/window.rs
@@ -31,7 +31,7 @@ pub enum WinIn {
     Win1,
 }
 
-impl<'gba> Windows<'gba> {
+impl Windows<'_> {
     pub(crate) fn new() -> Self {
         let s = Self {
             wins: [MovableWindow::new(0), MovableWindow::new(1)],
diff --git a/agb/src/dma.rs b/agb/src/dma.rs
index a16fc0216..4f17e2cda 100644
--- a/agb/src/dma.rs
+++ b/agb/src/dma.rs
@@ -24,7 +24,7 @@ pub struct Dmas<'gba> {
     pub dma3: Dma,
 }
 
-impl<'gba> Dmas<'gba> {
+impl Dmas<'_> {
     unsafe fn new() -> Self {
         Self {
             phantom: PhantomData,
@@ -137,7 +137,7 @@ where
     phantom: PhantomData<&'a ()>,
 }
 
-impl<'a, T> DmaTransferHandle<'a, T>
+impl<T> DmaTransferHandle<'_, T>
 where
     T: Copy,
 {
@@ -150,7 +150,7 @@ where
     }
 }
 
-impl<'a, T> Drop for DmaTransferHandle<'a, T>
+impl<T> Drop for DmaTransferHandle<'_, T>
 where
     T: Copy,
 {
diff --git a/agb/src/panics_render/text.rs b/agb/src/panics_render/text.rs
index c0d09aec9..0438da14b 100644
--- a/agb/src/panics_render/text.rs
+++ b/agb/src/panics_render/text.rs
@@ -88,7 +88,7 @@ impl<'bitmap, 'gba> BitmapTextRender<'bitmap, 'gba> {
     }
 }
 
-impl<'bitmap, 'gba> Write for BitmapTextRender<'bitmap, 'gba> {
+impl Write for BitmapTextRender<'_, '_> {
     fn write_str(&mut self, s: &str) -> core::fmt::Result {
         for c in s.chars() {
             self.render_char(c);
diff --git a/agb/src/save/mod.rs b/agb/src/save/mod.rs
index 7adb1d718..e3c05d544 100644
--- a/agb/src/save/mod.rs
+++ b/agb/src/save/mod.rs
@@ -305,7 +305,7 @@ pub struct SavePreparedBlock<'a> {
     parent: &'a mut SaveData,
     range: Range<usize>,
 }
-impl<'a> SavePreparedBlock<'a> {
+impl SavePreparedBlock<'_> {
     /// Writes a given buffer into the save media.
     ///
     /// Multiple overlapping writes to the same memory range without a separate
diff --git a/agb/src/sync.rs b/agb/src/sync.rs
index d614662f5..2ee996bc7 100644
--- a/agb/src/sync.rs
+++ b/agb/src/sync.rs
@@ -53,7 +53,7 @@ unsafe impl Sync for RawLock {}
 
 /// A guard representing an active lock on an [`RawLock`].
 pub struct RawLockGuard<'a>(&'a RawLock);
-impl<'a> Drop for RawLockGuard<'a> {
+impl Drop for RawLockGuard<'_> {
     fn drop(&mut self) {
         self.0.raw_unlock();
     }
@@ -103,18 +103,18 @@ pub struct LockGuard<'a, T> {
     underlying: &'a Lock<T>,
     ptr: *mut T,
 }
-impl<'a, T> Drop for LockGuard<'a, T> {
+impl<T> Drop for LockGuard<'_, T> {
     fn drop(&mut self) {
         self.underlying.raw.raw_unlock();
     }
 }
-impl<'a, T> Deref for LockGuard<'a, T> {
+impl<T> Deref for LockGuard<'_, T> {
     type Target = T;
     fn deref(&self) -> &Self::Target {
         unsafe { &*self.ptr }
     }
 }
-impl<'a, T> DerefMut for LockGuard<'a, T> {
+impl<T> DerefMut for LockGuard<'_, T> {
     fn deref_mut(&mut self) -> &mut Self::Target {
         unsafe { &mut *self.ptr }
     }