diff --git a/gpu/TODO-webgpu.h b/gpu/TODO-webgpu.h
index 26244b58..4c17603e 100644
--- a/gpu/TODO-webgpu.h
+++ b/gpu/TODO-webgpu.h
@@ -1,11 +1,3 @@
-typedef struct WGPUBufferDescriptor {
-    next_in_chain: *const ChainedStruct,
-    label: ?[*:0]const u8 = null,
-    WGPUBufferUsageFlags usage;
-    size: u64,
-    mapped_at_creation: bool,
-} WGPUBufferDescriptor;
-
 typedef struct WGPUCommandBufferDescriptor {
     next_in_chain: *const ChainedStruct,
     label: ?[*:0]const u8 = null,
diff --git a/gpu/src/Buffer.zig b/gpu/src/Buffer.zig
index 190196a0..d6c7f210 100644
--- a/gpu/src/Buffer.zig
+++ b/gpu/src/Buffer.zig
@@ -56,4 +56,12 @@ pub const Buffer = enum(usize) {
         has_dynamic_offset: bool = false,
         min_binding_size: u64 = 0,
     };
+
+    pub const Descriptor = extern struct {
+        next_in_chain: *const ChainedStruct,
+        label: ?[*:0]const u8 = null,
+        usage: Usage,
+        size: u64,
+        mapped_at_creation: bool,
+    };
 };