diff --git a/tox.ini b/tox.ini
index 9cae607..a85b1b8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,9 +5,6 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
-install_command = pip install -U {opts} {packages}
-setenv =
-   VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = stestr run --slowest {posargs}