diff --git a/tox.ini b/tox.ini
index b9e681f5..9961c511 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,9 +5,7 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
-install_command = pip install {opts} {packages}
-setenv = VIRTUAL_ENV={envdir}
-         OS_STDOUT_NOCAPTURE=False
+setenv = OS_STDOUT_NOCAPTURE=False
          OS_STDERR_NOCAPTURE=False
 
 deps =