diff --git a/tox.ini b/tox.ini
index 379ee79..9014d59 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,17 +5,13 @@
 
 [tox]
 skipsdist = True
-envlist = py35,py34,py27,pypy,pep8
-
-[tox:travis]
-2.7 = py27
-3.4 = py34
-3.5 = py35
+#envlist = pep8, py{27,35}
+# requirement functools32 is not installed for py35
+envlist = pep8,py27
 
 [testenv]
-install_command = pip install --allow-external -U {opts} {packages}
+install_command = pip install -U {opts} {packages}
 deps =
-    setuptools
     -r{toxinidir}/tcp_tests/requirements.txt
 usedevelop = False
 commands = py.test -s -vvv tcp_tests/tests/unit