diff --git a/src/node_options.h b/src/node_options.h
index 8bbac8d692807e..e617cafd0147d8 100644
--- a/src/node_options.h
+++ b/src/node_options.h
@@ -262,7 +262,6 @@ class EnvironmentOptions : public Options {
   std::vector<std::string> preload_esm_modules;
 
   bool strip_types = HAVE_AMARO;
-  bool experimental_transform_types = false;
 
   std::vector<std::string> user_argv;