diff -up python-fido2-0.6.0/setup.py.orig python-fido2-0.6.0/setup.py
--- python-fido2-0.6.0/setup.py.orig	2019-05-10 04:52:54.000000000 -0600
+++ python-fido2-0.6.0/setup.py	2019-05-11 14:18:52.328437806 -0600
@@ -49,9 +49,6 @@ setup(
         'six',
         'cryptography>=1.5',
     ],
-    extras_require={
-        ':python_version < "3.4"': ['enum34']
-    },
     test_suite='test',
     tests_require=['mock>=1.0.1', 'pyfakefs>=3.4'],
     classifiers=[