diff --git a/confection/__init__.py b/confection/__init__.py
index f3f4567..04dbc05 100644
--- a/confection/__init__.py
+++ b/confection/__init__.py
@@ -951,7 +951,6 @@ def _fill(
                 field_set = [
                     k if k != ARGS_FIELD else ARGS_FIELD_ALIAS for k in result.__fields_set__
                 ]
-                # field_set = result.__fields_set__
                 exclude = [k for k in field_set if k not in fields]
         exclude_validation = set([ARGS_FIELD_ALIAS, *RESERVED_FIELDS.keys()])
         validation.update(result.dict(exclude=exclude_validation))