diff --git a/tox.ini b/tox.ini
index 36238a2..b421f7f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,8 +5,6 @@ envlist = py3,pep8
 [testenv]
 usedevelop = True
 setenv =
-  VIRTUAL_ENV={envdir}
-  OBSERVABILITY_CLIENT_EXEC_DIR={envdir}/bin
   OS_TEST_PATH = ./observabilityclient/tests/unit
 passenv =
   PROMETHEUS_*