diff --git a/examples/src/boids/mod.rs b/examples/src/boids/mod.rs
index f7875ed7643..dba1c126720 100644
--- a/examples/src/boids/mod.rs
+++ b/examples/src/boids/mod.rs
@@ -2,7 +2,7 @@
 // adapted from https://github.com/austinEng/webgpu-samples/blob/master/src/examples/computeBoids.ts
 
 use nanorand::{Rng, WyRand};
-use std::{borrow::Cow, mem::size_of};
+use std::borrow::Cow;
 use wgpu::util::DeviceExt;
 
 // number of boid particles to simulate
diff --git a/examples/src/cube/mod.rs b/examples/src/cube/mod.rs
index 00e2ffcfc33..35aa6edf834 100644
--- a/examples/src/cube/mod.rs
+++ b/examples/src/cube/mod.rs
@@ -1,5 +1,5 @@
 use bytemuck::{Pod, Zeroable};
-use std::{borrow::Cow, f32::consts, mem::size_of};
+use std::{borrow::Cow, f32::consts};
 use wgpu::util::DeviceExt;
 
 #[repr(C)]
diff --git a/examples/src/mipmap/mod.rs b/examples/src/mipmap/mod.rs
index a3f7833b4c8..78b74829acd 100644
--- a/examples/src/mipmap/mod.rs
+++ b/examples/src/mipmap/mod.rs
@@ -1,5 +1,5 @@
 use bytemuck::{Pod, Zeroable};
-use std::{borrow::Cow, f32::consts, mem::size_of};
+use std::{borrow::Cow, f32::consts};
 use wgpu::util::DeviceExt;
 
 const TEXTURE_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Rgba8UnormSrgb;
diff --git a/examples/src/repeated_compute/mod.rs b/examples/src/repeated_compute/mod.rs
index 5dac9ce7c2e..acf88a66368 100644
--- a/examples/src/repeated_compute/mod.rs
+++ b/examples/src/repeated_compute/mod.rs
@@ -5,8 +5,6 @@
 //! hello-compute example does not such as mapping buffers
 //! and why use the async channels.
 
-use std::mem::size_of_val;
-
 const OVERFLOW: u32 = 0xffffffff;
 
 async fn run() {
diff --git a/examples/src/shadow/mod.rs b/examples/src/shadow/mod.rs
index 5e3511ed812..d6c6b4ff22b 100644
--- a/examples/src/shadow/mod.rs
+++ b/examples/src/shadow/mod.rs
@@ -1,4 +1,4 @@
-use std::{borrow::Cow, f32::consts, iter, mem::size_of, ops::Range, sync::Arc};
+use std::{borrow::Cow, f32::consts, iter, ops::Range, sync::Arc};
 
 use bytemuck::{Pod, Zeroable};
 use wgpu::util::{align_to, DeviceExt};
diff --git a/examples/src/stencil_triangles/mod.rs b/examples/src/stencil_triangles/mod.rs
index bb433af11ca..5867a3b907c 100644
--- a/examples/src/stencil_triangles/mod.rs
+++ b/examples/src/stencil_triangles/mod.rs
@@ -1,6 +1,5 @@
 use bytemuck::{Pod, Zeroable};
 use std::borrow::Cow;
-use std::mem::size_of;
 use wgpu::util::DeviceExt;
 
 #[repr(C)]
diff --git a/examples/src/water/mod.rs b/examples/src/water/mod.rs
index 7f766034a43..ec605a7b0cd 100644
--- a/examples/src/water/mod.rs
+++ b/examples/src/water/mod.rs
@@ -3,7 +3,7 @@ mod point_gen;
 use bytemuck::{Pod, Zeroable};
 use glam::Vec3;
 use nanorand::{Rng, WyRand};
-use std::{borrow::Cow, f32::consts, iter, mem::size_of};
+use std::{borrow::Cow, f32::consts, iter};
 use wgpu::util::DeviceExt;
 
 ///
diff --git a/naga/src/back/msl/mod.rs b/naga/src/back/msl/mod.rs
index 626475debcd..bc4a24614d2 100644
--- a/naga/src/back/msl/mod.rs
+++ b/naga/src/back/msl/mod.rs
@@ -668,6 +668,6 @@ pub fn write_string(
 
 #[test]
 fn test_error_size() {
-    use std::mem::size_of;
+    use size_of;
     assert_eq!(size_of::<Error>(), 32);
 }
diff --git a/wgpu-core/src/command/bundle.rs b/wgpu-core/src/command/bundle.rs
index a7a43e1e2e4..1cd9a0bcf7f 100644
--- a/wgpu-core/src/command/bundle.rs
+++ b/wgpu-core/src/command/bundle.rs
@@ -100,7 +100,7 @@ use crate::{
 };
 use arrayvec::ArrayVec;
 
-use std::{borrow::Cow, mem::size_of, num::NonZeroU32, ops::Range, sync::Arc};
+use std::{borrow::Cow, num::NonZeroU32, ops::Range, sync::Arc};
 use thiserror::Error;
 
 use super::{
diff --git a/wgpu-core/src/command/compute.rs b/wgpu-core/src/command/compute.rs
index eb929740c80..bf8c66cf6df 100644
--- a/wgpu-core/src/command/compute.rs
+++ b/wgpu-core/src/command/compute.rs
@@ -29,7 +29,7 @@ use thiserror::Error;
 use wgt::{BufferAddress, DynamicOffset};
 
 use std::sync::Arc;
-use std::{fmt, mem::size_of, str};
+use std::{fmt, str};
 
 use super::{bind::BinderError, memory_init::CommandBufferTextureMemoryActions};
 
diff --git a/wgpu-core/src/command/render.rs b/wgpu-core/src/command/render.rs
index e4d93b042eb..0017b2b4fc2 100644
--- a/wgpu-core/src/command/render.rs
+++ b/wgpu-core/src/command/render.rs
@@ -45,7 +45,7 @@ use serde::Deserialize;
 use serde::Serialize;
 
 use std::sync::Arc;
-use std::{borrow::Cow, fmt, iter, mem::size_of, num::NonZeroU32, ops::Range, str};
+use std::{borrow::Cow, fmt, iter, num::NonZeroU32, ops::Range, str};
 
 use super::render_command::ArcRenderCommand;
 use super::{
diff --git a/wgpu-core/src/pipeline_cache.rs b/wgpu-core/src/pipeline_cache.rs
index e506d2cd5b5..057223fb573 100644
--- a/wgpu-core/src/pipeline_cache.rs
+++ b/wgpu-core/src/pipeline_cache.rs
@@ -1,5 +1,3 @@
-use std::mem::size_of;
-
 use thiserror::Error;
 use wgt::AdapterInfo;
 
diff --git a/wgpu-core/src/registry.rs b/wgpu-core/src/registry.rs
index 3abd4b6eb99..3cb451951c3 100644
--- a/wgpu-core/src/registry.rs
+++ b/wgpu-core/src/registry.rs
@@ -1,4 +1,4 @@
-use std::{mem::size_of, sync::Arc};
+use std::sync::Arc;
 
 use crate::{
     id::Id,
diff --git a/wgpu-hal/examples/halmark/main.rs b/wgpu-hal/examples/halmark/main.rs
index 8ab7f1cb470..8f92f8137b2 100644
--- a/wgpu-hal/examples/halmark/main.rs
+++ b/wgpu-hal/examples/halmark/main.rs
@@ -14,9 +14,7 @@ use winit::{
 
 use std::{
     borrow::{Borrow, Cow},
-    iter,
-    mem::size_of,
-    ptr,
+    iter, ptr,
     time::Instant,
 };
 
diff --git a/wgpu-hal/examples/ray-traced-triangle/main.rs b/wgpu-hal/examples/ray-traced-triangle/main.rs
index 816827b5ae3..620bebc5648 100644
--- a/wgpu-hal/examples/ray-traced-triangle/main.rs
+++ b/wgpu-hal/examples/ray-traced-triangle/main.rs
@@ -8,9 +8,7 @@ use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
 use glam::{Affine3A, Mat4, Vec3};
 use std::{
     borrow::{Borrow, Cow},
-    iter,
-    mem::size_of,
-    ptr,
+    iter, ptr,
     time::Instant,
 };
 use winit::window::WindowButtons;
diff --git a/wgpu-hal/src/dx12/mod.rs b/wgpu-hal/src/dx12/mod.rs
index be0f6960ba7..8c3582f90d7 100644
--- a/wgpu-hal/src/dx12/mod.rs
+++ b/wgpu-hal/src/dx12/mod.rs
@@ -622,7 +622,6 @@ struct PassState {
 
 #[test]
 fn test_dirty_mask() {
-    use std::mem::size_of;
     assert_eq!(MAX_ROOT_ELEMENTS, size_of::<u64>() * 8);
 }
 
diff --git a/wgpu-hal/src/gles/command.rs b/wgpu-hal/src/gles/command.rs
index 2df3c1a991b..7d8ce413754 100644
--- a/wgpu-hal/src/gles/command.rs
+++ b/wgpu-hal/src/gles/command.rs
@@ -1,9 +1,6 @@
 use super::{conv, Command as C};
 use arrayvec::ArrayVec;
-use std::{
-    mem::{self, size_of, size_of_val},
-    ops::Range,
-};
+use std::{mem, ops::Range};
 
 #[derive(Clone, Copy, Debug, Default)]
 struct TextureSlotDesc {
diff --git a/wgpu-hal/src/gles/queue.rs b/wgpu-hal/src/gles/queue.rs
index 39315f72b7d..6ea3bd0b87e 100644
--- a/wgpu-hal/src/gles/queue.rs
+++ b/wgpu-hal/src/gles/queue.rs
@@ -2,7 +2,6 @@ use super::{conv::is_layered_target, Command as C, PrivateCapabilities};
 use arrayvec::ArrayVec;
 use glow::HasContext;
 use std::{
-    mem::size_of,
     slice,
     sync::{atomic::Ordering, Arc},
 };
diff --git a/wgpu-hal/src/metal/command.rs b/wgpu-hal/src/metal/command.rs
index 069013570f0..98c395b8708 100644
--- a/wgpu-hal/src/metal/command.rs
+++ b/wgpu-hal/src/metal/command.rs
@@ -1,6 +1,6 @@
 use super::{conv, AsNative, TimestampQuerySupport};
 use crate::CommandEncoder as _;
-use std::{borrow::Cow, mem::size_of, ops::Range};
+use std::{borrow::Cow, ops::Range};
 
 // has to match `Temp::binding_sizes`
 const WORD_SIZE: usize = 4;
diff --git a/wgpu-hal/src/vulkan/command.rs b/wgpu-hal/src/vulkan/command.rs
index 8bd749cd3b0..0eb9a7abc77 100644
--- a/wgpu-hal/src/vulkan/command.rs
+++ b/wgpu-hal/src/vulkan/command.rs
@@ -3,11 +3,7 @@ use super::conv;
 use arrayvec::ArrayVec;
 use ash::vk;
 
-use std::{
-    mem::{self, size_of},
-    ops::Range,
-    slice,
-};
+use std::{mem, ops::Range, slice};
 
 const ALLOCATION_GRANULARITY: u32 = 16;
 const DST_IMAGE_LAYOUT: vk::ImageLayout = vk::ImageLayout::TRANSFER_DST_OPTIMAL;
diff --git a/wgpu/src/util/mod.rs b/wgpu/src/util/mod.rs
index 11148179b4a..339b08dddc2 100644
--- a/wgpu/src/util/mod.rs
+++ b/wgpu/src/util/mod.rs
@@ -9,11 +9,7 @@ mod encoder;
 mod init;
 
 use std::sync::Arc;
-use std::{
-    borrow::Cow,
-    mem::{align_of, size_of},
-    ptr::copy_nonoverlapping,
-};
+use std::{borrow::Cow, ptr::copy_nonoverlapping};
 
 pub use belt::StagingBelt;
 pub use device::{BufferInitDescriptor, DeviceExt, TextureDataOrder};