diff --git a/.zuul.yaml b/.zuul.yaml
index c9c69e1a1..589398aa9 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -3,7 +3,6 @@
       - check-requirements
       - publish-openstack-docs-pti
       - openstack-cover-jobs
-      - openstack-lower-constraints-jobs
       - openstack-python3-zed-jobs
       - lib-forward-testing-python3
       - release-notes-jobs-python3
diff --git a/lower-constraints.txt b/lower-constraints.txt
deleted file mode 100644
index e5d7e34ff..000000000
--- a/lower-constraints.txt
+++ /dev/null
@@ -1,101 +0,0 @@
-alabaster==0.7.10
-alembic==0.9.6
-amqp==2.5.0
-appdirs==1.4.3
-astroid==2.1.0
-Babel==2.3.4
-bandit==1.1.0
-cachetools==2.0.0
-contextlib2==0.4.0
-coverage==4.0
-ddt==1.0.1
-debtcollector==1.19.0
-decorator==4.0.0
-docutils==0.11
-dulwich==0.15.0
-eventlet==0.18.2
-extras==1.0.0
-fasteners==0.7.0
-fixtures==3.0.0
-flake8==3.6.0
-future==0.16.0
-futurist==1.2.0
-gitdb==0.6.4
-GitPython==1.0.1
-greenlet==0.4.15
-imagesize==0.7.1
-iso8601==0.1.11
-isort==4.3.21
-Jinja2==2.10
-keystoneauth1==3.14.0
-kombu==4.6.1
-linecache2==1.0.0
-Mako==1.0.7
-MarkupSafe==1.1.1
-monotonic==0.6
-mox3==0.20.0
-msgpack-python==0.4.0
-netaddr==0.7.18
-netifaces==0.10.4
-os-api-ref==1.4.0
-os-client-config==1.28.0
-os-ken==0.3.0
-os-traits==0.9.0
-oslo.concurrency==3.26.0
-oslo.config==8.0.0
-oslo.context==2.22.0
-oslo.db==4.44.0
-oslo.i18n==3.20.0
-oslo.log==4.3.0
-oslo.messaging==7.0.0
-oslo.middleware==3.31.0
-oslo.policy==3.6.2
-oslo.serialization==2.25.0
-oslo.service==1.24.0
-oslo.utils==4.5.0
-oslo.versionedobjects===1.31.2
-oslotest==3.2.0
-osprofiler===1.4.0
-Paste==2.0.2
-PasteDeploy==1.5.0
-pbr==4.0.0
-pecan===1.0.0
-pika==0.10.0
-pika-pool==0.1.3
-prettytable==0.7.2
-Pygments==2.2.0
-pyinotify==0.9.6
-pylint==2.2.0
-pyparsing==2.1.0
-python-dateutil==2.7.0
-python-editor==1.0.3
-python-mimeparse==1.6.0
-python-subunit==1.0.0
-pytz==2013.6
-PyYAML==5.3.1
-reno==3.1.0
-repoze.lru==0.7
-requests==2.18.0
-requestsexceptions==1.2.0
-rfc3986==1.2.0
-Routes==2.3.1
-setproctitle==1.1.10
-snowballstemmer==1.2.1
-SQLAlchemy==1.2.0
-sqlalchemy-migrate==0.11.0
-sqlparse==0.2.2
-statsd==3.2.1
-stestr==1.0.0
-stevedore==1.20.0
-Tempita==0.5.2
-tenacity==6.0.0
-testrepository==0.0.18
-testresources==2.0.0
-testscenarios==0.4
-testtools==2.2.0
-traceback2==1.4.0
-unittest2==1.1.0
-vine==1.1.4
-weakrefmethod==1.0.2
-WebOb==1.7.1
-wrapt==1.7.0
diff --git a/requirements.txt b/requirements.txt
index 8b7fc1a64..2f0f941ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,7 @@
+# Requirements lower bounds listed here are our best effort to keep them up to
+# date but we do not test them so no guarantee of having them all correct. If
+# you find any incorrect lower bounds, let us know or propose a fix.
+
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
diff --git a/tox.ini b/tox.ini
index a4f542f68..932ec054e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -127,9 +127,3 @@ commands = bandit -r neutron_lib -x tests -n5 -s B104,B303,B311
 
 [hacking]
 import_exceptions = neutron_lib._i18n
-
-[testenv:lower-constraints]
-deps =
-  -c{toxinidir}/lower-constraints.txt
-  -r{toxinidir}/test-requirements.txt
-  -r{toxinidir}/requirements.txt