diff --git a/.zuul.yaml b/.zuul.yaml
index 8b580bcb01..6d251da65b 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -26,7 +26,6 @@
       tox_envlist: gateonly
     irrelevant-files:
       - ^(test-|)requirements.txt$
-      - ^lower-constraints.txt$
       - ^.*\.rst$
       - ^api-ref/.*$
       - ^doc/.*$
@@ -210,7 +209,6 @@
       - check-requirements
       - integrated-gate
       - integrated-gate-py3
-      - openstack-lower-constraints-jobs
       - openstack-python-jobs
       - openstack-python3-train-jobs
       - periodic-stable-jobs
@@ -227,7 +225,6 @@
             voting: false
             irrelevant-files: &tempest-irrelevant-files
               - ^(test-|)requirements.txt$
-              - ^lower-constraints.txt$
               - ^.*\.rst$
               - ^api-ref/.*$
               - ^glance/hacking/.*$
diff --git a/lower-constraints.txt b/lower-constraints.txt
deleted file mode 100644
index 35a58c225a..0000000000
--- a/lower-constraints.txt
+++ /dev/null
@@ -1,147 +0,0 @@
-alabaster==0.7.10
-alembic==0.8.10
-amqp==2.2.2
-appdirs==1.4.3
-asn1crypto==0.24.0
-automaton==1.14.0
-Babel==2.3.4
-cachetools==2.0.1
-castellan==0.17.0
-certifi==2018.1.18
-cffi==1.11.5
-chardet==3.0.4
-cliff==2.11.0
-cmd2==0.8.1
-contextlib2==0.5.5
-coverage==4.0
-cryptography==2.1
-cursive==0.2.1
-ddt==1.0.1
-debtcollector==1.2.0
-decorator==4.2.1
-defusedxml==0.5.0
-doc8==0.6.0
-docutils==0.14
-dogpile.cache==0.6.5
-dulwich==0.19.0
-enum-compat==0.0.2
-eventlet==0.22.0
-extras==1.0.0
-fasteners==0.14.1
-fixtures==3.0.0
-flake8==2.5.5
-future==0.16.0
-futurist==1.2.0
-gitdb2==2.0.3
-GitPython==2.1.8
-glance-store==1.0.0
-greenlet==0.4.13
-hacking==0.12.0
-httplib2==0.9.1
-idna==2.6
-imagesize==1.0.0
-iso8601==0.1.11
-Jinja2==2.10
-jsonschema==2.6.0
-keystoneauth1==3.4.0
-keystonemiddleware==4.17.0
-kombu==4.1.0
-linecache2==1.0.0
-lxml==4.1.1
-Mako==1.0.7
-MarkupSafe==1.0
-mccabe==0.2.1
-mock==2.0.0
-mox3==0.25.0
-msgpack==0.5.6
-netaddr==0.7.19
-netifaces==0.10.6
-networkx==1.11
-openstackdocstheme==1.20.0
-os-api-ref==1.4.0
-os-client-config==1.29.0
-os-testr==1.0.0
-os-win==3.0.0
-oslo.cache==1.29.0
-oslo.concurrency==3.26.0
-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.reports==1.18.0
-oslo.serialization==2.25.0
-oslo.service==1.30.0
-oslo.upgradecheck==0.1.0
-oslo.utils==3.33.0
-oslotest==3.2.0
-osprofiler==1.4.0
-Paste==2.0.2
-PasteDeploy==1.5.0
-pbr==2.0.0
-pep8==1.5.7
-pika-pool==0.1.3
-pika==0.10.0
-prettytable==0.7.1
-psutil==3.2.2
-psycopg2==2.6.2
-pycadf==2.7.0
-pycparser==2.18
-pyflakes==0.8.1
-Pygments==2.2.0
-pyinotify==0.9.6
-PyMySQL==0.7.6
-pyOpenSSL==17.1.0
-pyparsing==2.2.0
-pyperclip==1.6.0
-pysendfile==2.0.0
-python-barbicanclient==4.6.0
-python-dateutil==2.7.0
-python-editor==1.0.3
-python-keystoneclient==3.8.0
-python-mimeparse==1.6.0
-python-subunit==1.2.0
-python-swiftclient==3.2.0
-pytz==2018.3
-PyYAML==3.12
-qpid-python==0.26
-reno==2.5.0
-repoze.lru==0.7
-requests==2.14.2
-requestsexceptions==1.4.0
-restructuredtext-lint==1.1.3
-retrying==1.2.3
-rfc3986==1.1.0
-Routes==2.3.1
-simplegeneric==0.8.1
-six==1.10.0
-smmap2==2.0.3
-snowballstemmer==1.2.1
-Sphinx==1.6.2
-sphinxcontrib-websupport==1.0.1
-sqlalchemy-migrate==0.11.0
-SQLAlchemy==1.0.10
-sqlparse==0.2.2
-statsd==3.2.2
-stestr==2.0.0
-stevedore==1.20.0
-taskflow==2.16.0
-Tempita==0.5.2
-tenacity==4.9.0
-testrepository==0.0.18
-testresources==2.0.0
-testscenarios==0.4
-testtools==2.2.0
-traceback2==1.4.0
-unittest2==1.1.0
-urllib3==1.22
-vine==1.1.4
-voluptuous==0.11.1
-WebOb==1.8.1
-whereto===0.3.0
-wrapt==1.10.11
-WSME==0.8.0
-xattr==0.9.2
diff --git a/tox.ini b/tox.ini
index dd78d36d1d..54a510e8e6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -193,10 +193,3 @@ commands =
 basepython = python3.5
 commands =
   oslo_debug_helper {posargs}
-
-[testenv:lower-constraints]
-basepython = python3
-deps =
-  -c{toxinidir}/lower-constraints.txt
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/requirements.txt