diff --git a/tox.ini b/tox.ini
index 455afda..db0e7dd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,14 +10,12 @@ usedevelop = True
 install_command = pip install -U {opts} {packages}
 setenv =
    DEVSTACK_VENV={env:DEVSTACK_VENV}
-   VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands = stestr run {posargs}
 
 [testenv:cover]
 setenv =
-    VIRTUAL_ENV={envdir}
     PYTHON=coverage run --source cloudkittyclient --parallel-mode
 commands =
     stestr run {posargs}
@@ -80,7 +78,6 @@ deps =
 commands = sphinx-build --keep-going -b html doc/source doc/build/html
 
 [testenv:pdf-docs]
-envdir = {toxworkdir}/docs
 deps = {[testenv:docs]deps}
 allowlist_externals =
   make