diff --git a/refex/fix/fixers/test_idiom_fixers.py b/refex/fix/fixers/test_idiom_fixers.py
index 1abf822..11f5185 100644
--- a/refex/fix/fixers/test_idiom_fixers.py
+++ b/refex/fix/fixers/test_idiom_fixers.py
@@ -250,7 +250,6 @@ def test_optional_return(self):
     """return None is fine if the function returns Optional[T]."""
     # TODO(b/117351081):  port this test to work on vanilla Python.
     example = textwrap.dedent("""
-      # from __future__ import google_type_annotations
       import typing
       from typing import Optional