diff --git a/tox.ini b/tox.ini
index 7748df4..6ad5bb6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,20 +42,6 @@ commands = python setup.py build_sphinx
 basepython = python3
 commands = oslo_debug_helper -t watcherclient/tests/unit {posargs}
 
-[testenv:functional]
-basepython = python2.7
-passenv =
-  OS_PROJECT_DOMAIN_NAME
-  OS_USER_DOMAIN_NAME
-  OS_PROJECT_NAME
-  OS_USERNAME
-  OS_PASSWORD
-  OS_AUTH_URL
-  OS_IDENTITY_API_VERSION
-  OS_IMAGE_API_VERSION
-commands = stestr --test-path=./watcherclient/tests/functional run --concurrency=1 {posargs}
-           stestr slowest
-
 [flake8]
 # E123, E125 skipped as they are invalid PEP-8.
 show-source = True