diff --git a/examples/moving_line/src/main.rs b/examples/moving_line/src/main.rs
index b571054..9800c3b 100644
--- a/examples/moving_line/src/main.rs
+++ b/examples/moving_line/src/main.rs
@@ -19,8 +19,8 @@ fn main() {
     for x_offset in 0..usize::MAX {
         pixels.fill(false);
 
-        for y in 0..PIXEL_HEIGHT as usize {
-            pixels.set((y + x_offset) % PIXEL_WIDTH as usize, y, true);
+        for y in 0..PIXEL_HEIGHT {
+            pixels.set((y + x_offset) % PIXEL_WIDTH, y, true);
         }
         connection
             .send(
diff --git a/examples/random_brightness/src/main.rs b/examples/random_brightness/src/main.rs
index d44b086..d1f65ce 100644
--- a/examples/random_brightness/src/main.rs
+++ b/examples/random_brightness/src/main.rs
@@ -40,17 +40,17 @@ fn main() {
     // continuously update random windows to new random brightness
     loop {
         let min_size = 1;
-        let x: u16 = rng.gen_range(0..TILE_WIDTH - min_size);
-        let y: u16 = rng.gen_range(0..TILE_HEIGHT - min_size);
+        let x = rng.gen_range(0..TILE_WIDTH - min_size);
+        let y = rng.gen_range(0..TILE_HEIGHT - min_size);
 
-        let w: u16 = rng.gen_range(min_size..=TILE_WIDTH - x);
-        let h: u16 = rng.gen_range(min_size..=TILE_HEIGHT - y);
+        let w = rng.gen_range(min_size..=TILE_WIDTH - x);
+        let h = rng.gen_range(min_size..=TILE_HEIGHT - y);
 
         let origin = Origin(x, y);
-        let mut luma = ByteGrid::new(w as usize, h as usize);
+        let mut luma = ByteGrid::new(w, h);
 
-        for y in 0..h as usize {
-            for x in 0..w as usize {
+        for y in 0..h {
+            for x in 0..w {
                 luma.set(x, y, rng.gen());
             }
         }
diff --git a/examples/wiping_clear/src/main.rs b/examples/wiping_clear/src/main.rs
index 69dcd0d..74d6258 100644
--- a/examples/wiping_clear/src/main.rs
+++ b/examples/wiping_clear/src/main.rs
@@ -24,13 +24,12 @@ fn main() {
 
     let connection = Connection::open(cli.destination).unwrap();
 
-    let mut enabled_pixels =
-        PixelGrid::new(PIXEL_WIDTH as usize, PIXEL_HEIGHT as usize);
+    let mut enabled_pixels = PixelGrid::new(PIXEL_WIDTH, PIXEL_HEIGHT);
     enabled_pixels.fill(true);
 
-    for x_offset in 0..PIXEL_WIDTH as usize {
-        for y in 0..PIXEL_HEIGHT as usize {
-            enabled_pixels.set(x_offset % PIXEL_WIDTH as usize, y, false);
+    for x_offset in 0..PIXEL_WIDTH {
+        for y in 0..PIXEL_HEIGHT {
+            enabled_pixels.set(x_offset % PIXEL_WIDTH, y, false);
         }
 
         // this works because the pixel grid has max size