diff --git a/examples/scenes/src/test_scenes.rs b/examples/scenes/src/test_scenes.rs
index 41e528b..ff3ff60 100644
--- a/examples/scenes/src/test_scenes.rs
+++ b/examples/scenes/src/test_scenes.rs
@@ -1,7 +1,5 @@
-use std::sync::Arc;
-
 use crate::{ExampleScene, SceneConfig, SceneParams, SceneSet};
-use vello::kurbo::{Affine, BezPath, Ellipse, PathEl, Point, Rect, Vec2};
+use vello::kurbo::{Affine, BezPath, Ellipse, PathEl, Point, Rect};
 use vello::peniko::*;
 use vello::*;
 
diff --git a/src/engine.rs b/src/engine.rs
index 779dc4c..1e6253d 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -22,8 +22,8 @@ use std::{
 };
 
 use wgpu::{
-    util::DeviceExt, BindGroup, BindGroupLayout, Buffer, BufferUsages, ComputePipeline, Device,
-    Queue, Texture, TextureAspect, TextureFormat, TextureUsages, TextureView, TextureViewDimension,
+    BindGroup, BindGroupLayout, Buffer, BufferUsages, ComputePipeline, Device, Queue, Texture,
+    TextureAspect, TextureUsages, TextureView, TextureViewDimension,
 };
 
 pub type Error = Box<dyn std::error::Error>;