diff --git a/test/unit/pep8-tests.py b/test/unit/pep8-tests.py
index 46257c0..f89d6e0 100644
--- a/test/unit/pep8-tests.py
+++ b/test/unit/pep8-tests.py
@@ -33,6 +33,7 @@ class TestPep8(TitoUnitTestFixture):
         tests = [
             # http://pep8.readthedocs.org/en/latest/intro.html#error-codes
             'E9',    # runtime errors (SyntaxError, IndentationError, IOError)
+            'W6',    # deprecated features
         ]
 
         try: