diff --git a/crates/oxc_ast_macros/src/lib.rs b/crates/oxc_ast_macros/src/lib.rs
index 30bdec2ddea8b5..8bb61b94b6e225 100644
--- a/crates/oxc_ast_macros/src/lib.rs
+++ b/crates/oxc_ast_macros/src/lib.rs
@@ -27,9 +27,9 @@ fn enum_repr(enum_: &syn::ItemEnum) -> TokenStream2 {
 pub fn ast(_args: TokenStream, input: TokenStream) -> TokenStream {
     let input = syn::parse_macro_input!(input as syn::Item);
 
-    let repr = match &input {
-        syn::Item::Enum(enum_) => enum_repr(enum_),
-        syn::Item::Struct(_) => quote!(#[repr(C)]),
+    let repr = match input {
+        syn::Item::Enum(ref enum_) => enum_repr(enum_),
+        syn::Item::Struct(_) => TokenStream2::default(),
 
         _ => {
             unreachable!()