diff --git a/lower-constraints.txt b/lower-constraints.txt
deleted file mode 100644
index a4263a6766..0000000000
--- a/lower-constraints.txt
+++ /dev/null
@@ -1,166 +0,0 @@
-alabaster==0.7.10
-alembic==0.8.10
-amqp==2.1.1
-ansible-runner==1.4.2
-aodhclient==0.9.0
-appdirs==1.3.0
-asn1crypto==0.23.0
-Babel==2.3.4
-beautifulsoup4==4.6.0
-cachetools==2.0.0
-cffi==1.7.0
-cliff==2.8.0
-cmd2==0.8.0
-contextlib2==0.4.0
-coverage==4.0
-croniter==0.3.4
-cryptography==2.1
-debtcollector==1.2.0
-decorator==3.4.0
-deprecation==1.0
-docker-py==1.10.6
-docker-pycreds==0.2.1
-docutils==0.11
-dogpile.cache==0.6.2
-dulwich==0.15.0
-eventlet==0.18.2
-extras==1.0.0
-fasteners==0.7.0
-fixtures==3.0.0
-futurist==1.2.0
-gitdb==0.6.4
-GitPython==1.0.1
-gnocchiclient==3.3.1
-greenlet==0.4.10
-httplib2==0.9.1
-idna==2.6
-imagesize==0.7.1
-iso8601==0.1.11
-Jinja2==2.10
-jmespath==0.9.0
-jsonpatch==1.16
-jsonpointer==1.13
-jsonschema==2.6.0
-kazoo==2.2
-keystoneauth1==3.4.0
-keystonemiddleware==4.17.0
-kombu==4.0.0
-linecache2==1.0.0
-logutils==0.3.5
-Mako==0.4.0
-MarkupSafe==1.0
-mistral-lib==0.3.0
-mistral==6.0.0
-mock==2.0.0
-monotonic==0.6
-mox3==0.20.0
-msgpack-python==0.4.0
-munch==2.1.0
-netaddr==0.7.18
-netifaces==0.10.4
-networkx==1.10
-openstackdocstheme==1.18.1
-openstacksdk==0.11.2
-os-client-config==1.28.0
-os-service-types==1.2.0
-osc-lib==1.8.0
-oslo.concurrency==3.25.0
-oslo.config==5.2.0
-oslo.context==2.19.2
-oslo.db==4.27.0
-oslo.i18n==3.15.3
-oslo.log==3.36.0
-oslo.messaging==5.29.0
-oslo.middleware==3.31.0
-oslo.policy==1.30.0
-oslo.serialization==2.18.0
-oslo.service==1.24.0
-oslo.utils==3.33.0
-oslosphinx==4.7.0
-oslotest==3.2.0
-osprofiler==1.4.0
-paramiko==2.0.0
-passlib==1.7.0
-Paste==2.0.2
-PasteDeploy==1.5.0
-paunch==4.2.0
-pbr==2.0.0
-pecan==1.0.0
-pika-pool==0.1.3
-pika==0.10.0
-ply==3.10
-positional==1.2.1
-prettytable==0.7.2
-pyasn1==0.1.8
-pycadf==1.1.0
-pycparser==2.18
-Pygments==2.2.0
-pyinotify==0.9.6
-PyJWT==1.0.1
-pyOpenSSL==17.1.0
-pyparsing==2.1.0
-pyperclip==1.5.27
-python-barbicanclient==4.5.2
-python-cinderclient==3.3.0
-python-dateutil==2.5.3
-python-designateclient==2.7.0
-python-editor==1.0.3
-python-glanceclient==2.8.0
-python-glareclient==0.3.0
-python-heatclient==1.10.0
-python-ironic-inspector-client==1.5.0
-python-ironicclient==2.2.0
-python-keystoneclient==3.8.0
-python-magnumclient==2.1.0
-python-mimeparse==1.6.0
-python-mistralclient==3.1.0
-python-muranoclient==0.8.2
-python-neutronclient==6.7.0
-python-novaclient==9.1.0
-python-openstackclient==3.12.0
-python-senlinclient==1.1.0
-python-subunit==1.0.0
-python-swiftclient==3.2.0
-python-tackerclient==0.8.0
-python-zaqarclient==1.0.0
-pytz==2013.6
-PyYAML==3.12
-reno==2.5.0
-repoze.lru==0.7
-requests==2.14.2
-requestsexceptions==1.2.0
-rfc3986==0.3.1
-Routes==2.3.1
-simplegeneric==0.8.1
-simplejson==3.5.1
-six==1.10.0
-smmap==0.9.0
-snowballstemmer==1.2.1
-Sphinx==1.8.0
-sphinxcontrib-websupport==1.0.1
-sqlalchemy-migrate==0.11.0
-SQLAlchemy==1.0.10
-sqlparse==0.2.2
-statsd==3.2.1
-stevedore==1.20.0
-Tempita==0.5.2
-tenacity==3.2.1
-testrepository==0.0.18
-testscenarios==0.4
-testtools==2.2.0
-tooz==1.58.0
-traceback2==1.4.0
-tripleo-common==7.1.0
-ujson==1.35
-unittest2==1.1.0
-vine==1.1.4
-voluptuous==0.8.9
-waitress==1.1.0
-warlock==1.2.0
-WebOb==1.7.1
-websocket-client==0.44.0
-WebTest==2.0.27
-wrapt==1.7.0
-WSME==0.8.0
-yaql==1.1.3
-zake==0.1.6
diff --git a/tox.ini b/tox.ini
index 00d6393728..4ea12f7abc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -78,12 +78,6 @@ whitelist_externals =
 commands =
     bash -c tools/roles-data-generate-samples.sh
 
-[testenv:lower-constraints]
-deps =
-  -c{toxinidir}/lower-constraints.txt
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/requirements.txt
-
 [testenv:tht]
 usedevelop = True
 setenv =
diff --git a/zuul.d/layout.yaml b/zuul.d/layout.yaml
index fb801ac803..403c707a86 100644
--- a/zuul.d/layout.yaml
+++ b/zuul.d/layout.yaml
@@ -11,11 +11,9 @@
       jobs:
         - openstack-tox-pep8
         - openstack-tox-tht
-        - openstack-tox-lower-constraints
     gate:
       queue: tripleo
       jobs:
-        - openstack-tox-lower-constraints
         - openstack-tox-pep8
 
 - job: