diff --git a/cli/tox.ini b/cli/tox.ini
index b549323..8e8f3e1 100644
--- a/cli/tox.ini
+++ b/cli/tox.ini
@@ -9,7 +9,7 @@ deps =
   mock
   pytz
   -e..
-passenv = DCOS_* CI_FLAGS VBOX_IP CLI_TEST_SSH_KEY_PATH CLI_TEST_MASTER_PROXY
+passenv = DCOS_* CI_FLAGS CLI_TEST_SSH_KEY_PATH CLI_TEST_MASTER_PROXY
 
 [testenv:syntax]
 deps =
diff --git a/tox.ini b/tox.ini
index 66b1a7c..93151d2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ deps =
   teamcity-messages
   pytest
   pytest-cov
-passenv = DCOS_* CI_FLAGS VBOX_IP CLI_TEST_SSH_KEY_PATH
+passenv = DCOS_* CI_FLAGS CLI_TEST_SSH_KEY_PATH
 
 [testenv:syntax]
 deps =