diff --git a/test-requirements.txt b/test-requirements.txt
index 6009ce743..c2f050576 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -16,6 +16,7 @@ docutils==0.9.1
 oslo.sphinx
 python-subunit
 sphinx>=1.1.2,<1.2
+sphinxcontrib-httpdomain
 sphinxcontrib-pecanwsme>=0.5
 testrepository>=0.0.17
 testscenarios>=0.4
diff --git a/tox.ini b/tox.ini
index 837152469..4f1e3d300 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,13 +35,11 @@ commands =
 [testenv:docs]
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       sphinxcontrib-httpdomain
 commands = python setup.py build_sphinx
 
 [testenv:venv]
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-       sphinxcontrib-httpdomain
 commands = {posargs}
 
 [flake8]