diff --git a/tox.ini b/tox.ini
index e4cfce2..c45a594 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,10 +3,7 @@ envlist = py34,py27,pep8,docs
 
 [testenv]
 deps =
-  -r{toxinidir}/requirements.txt
   -r{toxinidir}/test-requirements.txt
-# tox passes --pre to pip by default, but we don't want that
-install_command = pip install {opts} {packages}
 distribute = False
 commands = python setup.py testr --testr-args='{posargs}'