diff --git a/pytype/pytd/visitors_test.py b/pytype/pytd/visitors_test.py
index bdc83bb47..c6c696ad5 100644
--- a/pytype/pytd/visitors_test.py
+++ b/pytype/pytd/visitors_test.py
@@ -1,5 +1,4 @@
 import textwrap
-import unittest
 
 from pytype.pytd import escape
 from pytype.pytd import pytd
diff --git a/pytype/tests/test_errors.py b/pytype/tests/test_errors.py
index ab389146d..dfeae881b 100644
--- a/pytype/tests/test_errors.py
+++ b/pytype/tests/test_errors.py
@@ -1,7 +1,6 @@
 """Tests for displaying errors."""
 
 from pytype import file_utils
-from pytype.pytd import escape
 from pytype.tests import test_base