diff --git a/crates/renderer/src/commands.rs b/crates/renderer/src/commands.rs
index 3fe0a81..d0223c9 100644
--- a/crates/renderer/src/commands.rs
+++ b/crates/renderer/src/commands.rs
@@ -1,8 +1,7 @@
 use std::sync::{Arc, atomic::AtomicU8};
 
 use crate::{
-    define_device_owned_handle,
-    device::DeviceOwned,
+    device::{DeviceObject, DeviceOwned},
     images::{Image, QueueOwnership},
     pipeline::{Pipeline, PipelineLayout},
     sync::{self, FenceFuture},
@@ -174,15 +173,30 @@ impl CommandBufferState2 {
     }
 }
 
-define_device_owned_handle! {
-    #[derive(Debug)]
-    pub SingleUseCommand(vk::CommandBuffer) {
-        pool: Arc<SingleUseCommandPool>,
-        state: CommandBufferState2,
-    } => |this|  unsafe {
-            this.pool
+#[derive(Debug)]
+pub struct SingleUseCommand {
+    inner: DeviceObject<vk::CommandBuffer>,
+    pool: Arc<SingleUseCommandPool>,
+    state: CommandBufferState2,
+}
+
+impl DeviceOwned<vk::CommandBuffer> for SingleUseCommand {
+    fn device(&self) -> &Device {
+        self.inner.device()
+    }
+
+    fn handle(&self) -> vk::CommandBuffer {
+        *self.inner
+    }
+}
+
+impl Drop for SingleUseCommand {
+    fn drop(&mut self) {
+        unsafe {
+            self.pool
                 .pool
-                .with_locked(|&pool| this.device().dev().free_command_buffers(pool, &[this.handle()]))
+                .with_locked(|&pool| self.device().dev().free_command_buffers(pool, &[self.handle()]))
+        }
     }
 }
 
@@ -208,7 +222,15 @@ impl SingleUseCommand {
             buffer
         };
 
-        Self::construct(device, buffer, None, pool, CommandBufferState2::recording())
+        Ok(Self {
+            inner: DeviceObject::new_debug_named(
+                device,
+                buffer,
+                None::<std::borrow::Cow<'static, str>>,
+            ),
+            pool,
+            state: CommandBufferState2::recording(),
+        })
     }
 
     pub fn state(&self) -> CommandBufferState {
@@ -642,8 +664,7 @@ mod command_pools {
     use thread_local::ThreadLocal;
 
     use crate::{
-        define_device_owned_handle,
-        device::{Device, DeviceOwned},
+        device::{Device, DeviceObject, DeviceOwned},
         queue::Queue,
         sync,
         util::MutexExt,
@@ -659,13 +680,19 @@ mod command_pools {
         InvalidQueueSubmission,
     }
 
-    define_device_owned_handle! {
-        #[derive()]
-        pub CommandPool(vk::CommandPool) {
-            family: u32,
-            free_list: Mutex<Cell<(Vec<vk::CommandBufferLevel>, Vec<vk::CommandBuffer>)>>,
-        } => |this|  unsafe {
-            this.device().dev().destroy_command_pool(this.handle(), None);
+    pub struct CommandPool {
+        inner: DeviceObject<vk::CommandPool>,
+        family: u32,
+        free_list: Mutex<Cell<(Vec<vk::CommandBufferLevel>, Vec<vk::CommandBuffer>)>>,
+    }
+
+    impl DeviceOwned<vk::CommandPool> for CommandPool {
+        fn device(&self) -> &Device {
+            self.inner.device()
+        }
+
+        fn handle(&self) -> vk::CommandPool {
+            *self.inner
         }
     }
 
@@ -684,7 +711,11 @@ mod command_pools {
 
             let pool = unsafe { dev.dev().create_command_pool(&pool_info, None)? };
 
-            Self::construct(dev, pool, name, family, Mutex::new(Default::default()))
+            Ok(Self {
+                inner: DeviceObject::new_debug_named(dev, pool, name),
+                family,
+                free_list: Mutex::new(Default::default()),
+            })
         }
 
         #[allow(dead_code)]
@@ -761,13 +792,11 @@ mod command_pools {
                     .begin_command_buffer(handle, &begin_info)?;
             }
 
-            Ok(CommandBuffer::construct(
-                self.device().clone(),
-                handle,
-                name,
-                self.clone(),
+            Ok(CommandBuffer {
+                inner: DeviceObject::new_debug_named(self.device().clone(), handle, name),
+                pool: self.clone(),
                 level,
-            )?)
+            })
         }
 
         pub fn alloc_primary(
@@ -861,14 +890,31 @@ mod command_pools {
         }
     }
 
-    define_device_owned_handle! {
-        #[derive(Debug)]
-        pub CommandBuffer(vk::CommandBuffer) {
-            pool: Arc<CommandPool>,
-            #[allow(unused)]
-            level: vk::CommandBufferLevel,
-        } => |this|  unsafe {
-            this.device().dev().free_command_buffers(this.pool.handle(), &[this.handle()]);
+    #[derive(Debug)]
+    pub struct CommandBuffer {
+        inner: DeviceObject<vk::CommandBuffer>,
+        pool: Arc<CommandPool>,
+        #[allow(unused)]
+        level: vk::CommandBufferLevel,
+    }
+
+    impl DeviceOwned<vk::CommandBuffer> for CommandBuffer {
+        fn device(&self) -> &Device {
+            self.inner.device()
+        }
+
+        fn handle(&self) -> vk::CommandBuffer {
+            *self.inner
+        }
+    }
+
+    impl Drop for CommandBuffer {
+        fn drop(&mut self) {
+            unsafe {
+                self.device()
+                    .dev()
+                    .free_command_buffers(self.pool.handle(), &[self.handle()]);
+            }
         }
     }
 
diff --git a/crates/renderer/src/lib.rs b/crates/renderer/src/lib.rs
index e590fe2..d67a002 100644
--- a/crates/renderer/src/lib.rs
+++ b/crates/renderer/src/lib.rs
@@ -25,7 +25,7 @@ pub mod util;
 
 pub use renderer_device::{device, instance, queue, sync};
 pub use renderer_device::{
-    compatible_extension_properties, define_device_owned_handle, extension_intersection,
+    compatible_extension_properties, extension_intersection,
     get_physical_device_features, get_physical_device_properties, make_extension,
     DebugUtils, DebugUtilsCreateInfo, Device, DeviceOwned, DeviceRef, Error,
     ExtendsDeviceFeatures2Debug, ExtendsDeviceProperties2Debug, Extension, Instance,
diff --git a/crates/renderer_device/src/device.rs b/crates/renderer_device/src/device.rs
index f39bff3..c223581 100644
--- a/crates/renderer_device/src/device.rs
+++ b/crates/renderer_device/src/device.rs
@@ -897,63 +897,6 @@ impl<T: Pooled> Pool<T> {
     }
 }
 
-// Macro for helping create and destroy Vulkan objects which are owned by a device.
-#[macro_export]
-macro_rules! define_device_owned_handle {
-    ($(#[$attr:meta])*
-        $ty_vis:vis $ty:ident($handle:ty) {
-        $($(#[$field_attr:meta])* $field_vis:vis $field_name:ident : $field_ty:ty),*
-        $(,)?
-    } $(=> |$this:ident| $dtor:stmt)?) => {
-        $(#[$attr])*
-            $ty_vis struct $ty {
-                inner: $crate::device::DeviceObject<$handle>,
-                $(
-                    $(#[$field_attr])*
-                    $field_vis $field_name: $field_ty,
-                )*
-            }
-
-        impl $crate::device::DeviceOwned<$handle> for $ty {
-            fn device(&self) -> &$crate::device::Device {
-                self.inner.device()
-            }
-            fn handle(&self) -> $handle {
-                *self.inner
-            }
-        }
-
-        impl $ty {
-            #[allow(clippy::too_many_arguments, reason = "This function is generated by a macro")]
-            fn construct(
-                device: $crate::device::Device,
-                handle: $handle,
-                name: Option<::std::borrow::Cow<'static, str>>,
-                $($field_name: $field_ty,)*
-            ) -> ::ash::prelude::VkResult<Self> {
-                Ok(Self {
-                    inner: $crate::device::DeviceObject::new_debug_named(
-                        device,
-                        handle,
-                        name,
-                    ),
-                    $($field_name,)*
-                })
-            }
-        }
-
-        $(
-            impl Drop for $ty {
-                fn drop(&mut self) {
-                    #[allow(unused_mut)]
-                    let mut $this = self;
-                    $dtor
-                }
-            }
-        )?
-    };
-}
-
 pub mod asdf {
     use std::{
         mem::ManuallyDrop,
@@ -1129,11 +1072,14 @@ pub mod asdf {
         }
 
         impl traits::ExternallyManagedObject<Device> for vk::CommandBuffer {
+            // Command buffers cannot be destroyed individually; their outer wrappers free them in Drop.
             unsafe fn destroy(self, _: &Device) {}
         }
 
         impl traits::ExternallyManagedObject<Device> for vk::CommandPool {
-            unsafe fn destroy(self, _: &Device) {}
+            unsafe fn destroy(self, device: &Device) {
+                unsafe { device.raw.destroy_command_pool(self, None) };
+            }
         }
 
         impl<T> crate::device::DeviceOwned<T> for DeviceObject<T>