diff --git a/tiramisu/api.py b/tiramisu/api.py
index b7e2042..e37b1c1 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -314,13 +314,8 @@ class TiramisuOptionOption(CommonTiramisuOption):
         return option.impl_getrequires()
 
     def __getattr__(self, name: str) -> Callable:
-        #if not self._get_option().impl_is_optiondescription() and name != 'get_option':
         if not self._get_option().impl_is_optiondescription():
-            subkey = '_' + name
-            if subkey in dir(self):
-                func = getattr(self, subkey)
-                if callable(func):
-                    return func
+            return getattr(self, '_' + name)
         raise APIError(_('{} is unknown').format(name))
 
     def isoptiondescription(self):
@@ -631,18 +626,9 @@ class TiramisuOption(CommonTiramisu):
                                            self.subconfig,
                                            self.config_bag,
                                            self.option_bag)
-        elif subfunc == 'make_dict' and self._get_option().impl_is_optiondescription():
-            return self._make_dict
-        elif subfunc == 'find' and self._get_option().impl_is_optiondescription():
-            return self._find
-        elif subfunc == 'get' and self._get_option().impl_is_optiondescription():
-            return self._get
-        elif subfunc == 'list' and self._get_option().impl_is_optiondescription():
-            return self._list
-        elif subfunc == 'group_type' and self._get_option().impl_is_optiondescription():
-            return self._group_type
-        else:
-            raise APIError(_('please specify a valid sub function ({})').format(subfunc))
+        elif self._get_option().impl_is_optiondescription():
+            return getattr(self, '_' + subfunc)
+        raise APIError(_('please specify a valid sub function ({})').format(subfunc))
 
     @count
     def _make_dict(self,
diff --git a/tiramisu/config.py b/tiramisu/config.py
index d0cae9c..8999804 100644
--- a/tiramisu/config.py
+++ b/tiramisu/config.py
@@ -735,7 +735,6 @@ class Config(_CommonConfig):
                                      weakref.ref(self),
                                      ConfigBag(self),
                                      None)
-        #undocumented option used only in test script
         if _duplicate is False and (force_settings is None or force_values is None):
             self._impl_build_all_caches()
         self._impl_name = session_id