diff --git a/ext/v8/rr.h b/ext/v8/rr.h
index 0c45769..80328cd 100644
--- a/ext/v8/rr.h
+++ b/ext/v8/rr.h
@@ -6,6 +6,4 @@
 #define RR_DEFINE_METHOD(klass, name, impl, argc) rb_define_method(klass, name, (VALUE(*)(...))impl, argc)
 #define RR_DEFINE_SINGLETON_METHOD(object, name, impl, argc) rb_define_singleton_method(object, name, (VALUE(*)(...))impl, argc)
 
-#define RR_NATIVE_CLASS(name) rb_define_class_under(rb_eval_string("V8::C"), name, rb_cObject)
-
 #endif
\ No newline at end of file