diff --git a/lower-constraints.txt b/lower-constraints.txt
deleted file mode 100644
index 032cac6..0000000
--- a/lower-constraints.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-alabaster==0.7.10
-anyjson==0.3.3
-Babel==2.3.4
-coverage==4.0
-docutils==0.11
-extras==1.0.0
-fixtures==3.0.0
-flake8==2.5.5
-hacking==0.12.0
-imagesize==0.7.1
-Jinja2==2.10
-linecache2==1.0.0
-MarkupSafe==1.0
-mccabe==0.2.1
-pbr==2.0.0
-pep8==1.5.7
-pyflakes==0.8.1
-Pygments==2.2.0
-pystache==0.5.4
-python-mimeparse==1.6.0
-python-subunit==1.0.0
-pytz==2013.6
-PyYAML==3.12
-requests==2.14.2
-six==1.10.0
-snowballstemmer==1.2.1
-Sphinx==1.6.5
-sphinxcontrib-websupport==1.0.1
-stestr==2.0.0
-testscenarios==0.4
-testtools==2.2.0
-traceback2==1.4.0
-unittest2==1.1.0
diff --git a/tox.ini b/tox.ini
index f22fd1d..ef6e68e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,8 +36,3 @@ commands = {posargs}
 exclude = .venv,.tox,dist,doc,*.egg
 show-source = true
 
-[testenv:lower-constraints]
-deps =
-  -c{toxinidir}/lower-constraints.txt
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/requirements.txt