diff --git a/crates/backend/src/codegen/const.rs b/crates/backend/src/codegen/const.rs
index b520603f..5fd14a00 100644
--- a/crates/backend/src/codegen/const.rs
+++ b/crates/backend/src/codegen/const.rs
@@ -38,6 +38,7 @@ impl NapiConst {
       }
       #[allow(non_snake_case)]
       #[allow(clippy::all)]
+      #[cfg(not(test))]
       #[napi::bindgen_prelude::ctor]
       fn #register_name() {
         napi::bindgen_prelude::register_module_export(#js_mod_ident, #js_name_lit, #cb_name);
diff --git a/crates/backend/src/codegen/enum.rs b/crates/backend/src/codegen/enum.rs
index 3d950436..11060823 100644
--- a/crates/backend/src/codegen/enum.rs
+++ b/crates/backend/src/codegen/enum.rs
@@ -147,6 +147,7 @@ impl NapiEnum {
       }
       #[allow(non_snake_case)]
       #[allow(clippy::all)]
+      #[cfg(not(test))]
       #[napi::bindgen_prelude::ctor]
       fn #register_name() {
         napi::bindgen_prelude::register_module_export(#js_mod_ident, #js_name_lit, #callback_name);
diff --git a/crates/backend/src/codegen/fn.rs b/crates/backend/src/codegen/fn.rs
index 426a29a8..7ca411fc 100644
--- a/crates/backend/src/codegen/fn.rs
+++ b/crates/backend/src/codegen/fn.rs
@@ -327,6 +327,7 @@ impl NapiFn {
 
         #[allow(clippy::all)]
         #[allow(non_snake_case)]
+        #[cfg(not(test))]
         #[napi::bindgen_prelude::ctor]
         fn #module_register_name() {
           napi::bindgen_prelude::register_module_export(#js_mod_ident, #js_name, #cb_name);
diff --git a/crates/backend/src/codegen/struct.rs b/crates/backend/src/codegen/struct.rs
index 655d6ab5..e09af144 100644
--- a/crates/backend/src/codegen/struct.rs
+++ b/crates/backend/src/codegen/struct.rs
@@ -437,6 +437,7 @@ impl NapiStruct {
     quote! {
       #[allow(non_snake_case)]
       #[allow(clippy::all)]
+      #[cfg(not(test))]
       #[napi::bindgen_prelude::ctor]
       fn #struct_register_name() {
         napi::bindgen_prelude::register_class(#name_str, #js_mod_ident, #js_name, vec![#(#props),*]);
@@ -506,6 +507,7 @@ impl NapiImpl {
         use super::*;
         #(#methods)*
 
+        #[cfg(not(test))]
         #[napi::bindgen_prelude::ctor]
         fn #register_name() {
           napi::bindgen_prelude::register_class(#name_str, #js_mod_ident, #js_name, vec![#(#props),*]);