diff --git a/HACKING.rst b/HACKING.rst
index 3a692ff..1a29f1e 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -1,4 +1,4 @@
 tempest-horizon Style Commandments
 ===============================================
 
-Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/
+Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/
diff --git a/requirements.txt b/requirements.txt
index b7e0ee0..7a29207 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,6 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
-# tempest>=6.0.0
 oslo.config>=4.6.0 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
 six>=1.10.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 8a78edb..702a3af 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,10 +5,7 @@
 hacking<0.11,>=0.10.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
+oslosphinx>=4.7.0 # Apache-2.0
 python-subunit>=1.0.0 # Apache-2.0/BSD
 sphinx>=1.6.2 # BSD
-oslosphinx>=4.7.0 # Apache-2.0
-oslotest>=1.10.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
-testscenarios>=0.4 # Apache-2.0/BSD
-testtools>=2.2.0 # MIT
diff --git a/tox.ini b/tox.ini
index 3888605..8ef76a6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,6 +20,7 @@
 commands = {posargs}
 
 [testenv:cover]
+basepython = python3
 setenv =
    {[testenv]setenv}
    PYTHON=coverage run --source tempest_horizon --parallel-mode