diff --git a/extclass.h b/extclass.h
index 80ce19e9..97d7d400 100644
--- a/extclass.h
+++ b/extclass.h
@@ -39,11 +39,6 @@ void report_missing_ptr_data(ExtensionInstance*, Class<ExtensionInstance>*, cons
 void report_missing_class_object(const std::type_info&);
 void report_released_smart_pointer(const std::type_info&);
     
-template <class T, class U>
-struct ExtensionClassFromPython
-{
-};
-
 template <class T>
 T* check_non_null(T* p)
 {
diff --git a/gen_extclass.py b/gen_extclass.py
index a0887b5a..bbb7b1d5 100644
--- a/gen_extclass.py
+++ b/gen_extclass.py
@@ -44,11 +44,6 @@ void report_missing_ptr_data(ExtensionInstance*, Class<ExtensionInstance>*, cons
 void report_missing_class_object(const std::type_info&);
 void report_released_smart_pointer(const std::type_info&);
     
-template <class T, class U>
-struct ExtensionClassFromPython
-{
-};
-
 template <class T>
 T* check_non_null(T* p)
 {