diff --git a/gpu/src/render_bundle.zig b/gpu/src/render_bundle.zig
index 4e66e00f..d6f1896b 100644
--- a/gpu/src/render_bundle.zig
+++ b/gpu/src/render_bundle.zig
@@ -1,13 +1,8 @@
 const ChainedStruct = @import("types.zig").ChainedStruct;
 
-pub const RenderBundle = enum(usize) {
-    _,
+pub const RenderBundle = *opaque {};
 
-    // TODO: verify there is a use case for nullable value of this type.
-    pub const none: RenderBundle = @intToEnum(RenderBundle, 0);
-
-    pub const Descriptor = extern struct {
-        next_in_chain: *const ChainedStruct,
-        label: ?[*:0]const u8 = null,
-    };
+pub const RenderBundleDescriptor = extern struct {
+    next_in_chain: *const ChainedStruct,
+    label: ?[*:0]const u8 = null,
 };