diff --git a/naga/src/back/glsl/mod.rs b/naga/src/back/glsl/mod.rs
index d13abb1994..2e719055e8 100644
--- a/naga/src/back/glsl/mod.rs
+++ b/naga/src/back/glsl/mod.rs
@@ -3497,13 +3497,13 @@ impl<'a, W: Write> Writer<'a, W> {
                     Mf::Transpose => "transpose",
                     Mf::Determinant => "determinant",
                     Mf::QuantizeToF16 => match *ctx.resolve_type(arg, &self.module.types) {
-                        crate::TypeInner::Scalar { .. } => {
+                        TypeInner::Scalar { .. } => {
                             write!(self.out, "unpackHalf2x16(packHalf2x16(vec2(")?;
                             self.write_expr(arg, ctx)?;
                             write!(self.out, "))).x")?;
                             return Ok(());
                         }
-                        crate::TypeInner::Vector {
+                        TypeInner::Vector {
                             size: crate::VectorSize::Bi,
                             ..
                         } => {
@@ -3512,7 +3512,7 @@ impl<'a, W: Write> Writer<'a, W> {
                             write!(self.out, "))")?;
                             return Ok(());
                         }
-                        crate::TypeInner::Vector {
+                        TypeInner::Vector {
                             size: crate::VectorSize::Tri,
                             ..
                         } => {
@@ -3523,7 +3523,7 @@ impl<'a, W: Write> Writer<'a, W> {
                             write!(self.out, ".zz)).x)")?;
                             return Ok(());
                         }
-                        crate::TypeInner::Vector {
+                        TypeInner::Vector {
                             size: crate::VectorSize::Quad,
                             ..
                         } => {
diff --git a/wgpu-core/src/command/ray_tracing.rs b/wgpu-core/src/command/ray_tracing.rs
index ac3bbb67b4..08f720c75a 100644
--- a/wgpu-core/src/command/ray_tracing.rs
+++ b/wgpu-core/src/command/ray_tracing.rs
@@ -689,7 +689,7 @@ impl Global {
                 if let Some(ref staging_buffer) = staging_buffer {
                     cmd_buf_raw.transition_buffers(&[hal::BufferBarrier::<dyn hal::DynBuffer> {
                         buffer: staging_buffer.raw(),
-                        usage: hal::BufferUses::MAP_WRITE..hal::BufferUses::COPY_SRC,
+                        usage: BufferUses::MAP_WRITE..BufferUses::COPY_SRC,
                     }]);
                 }
             }
@@ -711,7 +711,7 @@ impl Global {
                 unsafe {
                     cmd_buf_raw.transition_buffers(&[hal::BufferBarrier::<dyn hal::DynBuffer> {
                         buffer: tlas.instance_buffer.as_ref(),
-                        usage: hal::BufferUses::MAP_READ..hal::BufferUses::COPY_DST,
+                        usage: BufferUses::MAP_READ..BufferUses::COPY_DST,
                     }]);
                     let temp = hal::BufferCopy {
                         src_offset: range.start as u64,
@@ -951,7 +951,7 @@ fn iter_blas<'a>(
                         }
                         let data = cmd_buf_data.trackers.buffers.set_single(
                             &index_buffer,
-                            hal::BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT,
+                            BufferUses::BOTTOM_LEVEL_ACCELERATION_STRUCTURE_INPUT,
                         );
                         Some((index_buffer.clone(), data))
                     } else {
diff --git a/wgpu-core/src/ray_tracing.rs b/wgpu-core/src/ray_tracing.rs
index 11ccb714f1..f6102b552e 100644
--- a/wgpu-core/src/ray_tracing.rs
+++ b/wgpu-core/src/ray_tracing.rs
@@ -13,7 +13,7 @@ use crate::{
     id::{BlasId, BufferId, TlasId},
     resource::CreateBufferError,
 };
-use std::sync::Arc;
+use std::{mem::size_of, sync::Arc};
 use std::{num::NonZeroU64, slice};
 
 use crate::resource::{Blas, ResourceErrorIdent, Tlas};
@@ -325,11 +325,8 @@ pub(crate) fn tlas_instance_into_bytes(
             };
             let temp: *const _ = &temp;
             unsafe {
-                slice::from_raw_parts::<u8>(
-                    temp.cast::<u8>(),
-                    std::mem::size_of::<RawTlasInstance>(),
-                )
-                .to_vec()
+                slice::from_raw_parts::<u8>(temp.cast::<u8>(), size_of::<RawTlasInstance>())
+                    .to_vec()
             }
         }
         _ => unimplemented!(),
diff --git a/wgpu-core/src/scratch.rs b/wgpu-core/src/scratch.rs
index f5930a5e01..dcd2d28fb4 100644
--- a/wgpu-core/src/scratch.rs
+++ b/wgpu-core/src/scratch.rs
@@ -21,7 +21,7 @@ impl ScratchBuffer {
                     usage: BufferUses::ACCELERATION_STRUCTURE_SCRATCH,
                     memory_flags: hal::MemoryFlags::empty(),
                 })
-                .map_err(crate::device::DeviceError::from_hal)?
+                .map_err(DeviceError::from_hal)?
         };
         Ok(Self {
             raw: ManuallyDrop::new(raw),