diff -r 7276f1c89ddd -r 9d88e1177c35 setup.py
--- a/setup.py	Thu Mar 21 12:05:30 2019 +0100
+++ b/setup.py	Thu Mar 21 14:33:54 2019 +0100
@@ -91,9 +91,6 @@
         'crypto': [
             'pycrypto',
         ],
-        'etwist': [
-            'Twisted < 16.0.0',
-        ],
         'ext': [
             'docutils >= 0.6',
         ],