diff --git a/lower-constraints.txt b/lower-constraints.txt
index 739829c360..7241fd3a52 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,75 +1,27 @@
-alabaster==0.7.10
 alembic==0.8.10
-amqp==2.2.2
-appdirs==1.4.3
-asn1crypto==0.24.0
 automaton==1.9.0
 Babel==2.3.4
 bandit==1.1.0
 bashate==0.5.1
-beautifulsoup4==4.6.0
-blockdiag==1.5.3
-cachetools==2.0.1
-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==2.1.4
-debtcollector==1.19.0
-decorator==4.2.1
-deprecation==2.0
 doc8==0.6.0
-docutils==0.14
-dogpile.cache==0.6.5
-dulwich==0.19.0
-enum-compat==0.0.2
 eventlet==0.18.2
-extras==1.0.0
-fasteners==0.14.1
 fixtures==3.0.0
 flake8-import-order==0.13
-flake8==2.5.5
-funcparserlib==0.3.6
-future==0.16.0
 futurist==1.2.0
-greenlet==0.4.13
 hacking==1.0.0
-idna==2.6
-imagesize==1.0.0
 ironic-lib==2.17.1
 iso8601==0.1.11
 Jinja2==2.10
-jmespath==0.9.3
 jsonpatch==1.16
-jsonpointer==2.0
 jsonschema==2.6.0
 keystoneauth1==3.11.0
 keystonemiddleware==4.17.0
-kombu==4.1.0
-linecache2==1.0.0
-logutils==0.3.5
-Mako==1.0.7
-MarkupSafe==1.0
-mccabe==0.2.1
 mock==3.0.0
-monotonic==1.4
-mox3==0.25.0
-msgpack==0.5.6
-munch==2.2.0
-netaddr==0.7.19
-netifaces==0.10.6
 openstackdocstheme==1.20.0
 openstacksdk==0.25.0
 os-api-ref==1.4.0
-os-client-config==1.29.0
-os-service-types==1.2.0
-os-testr==1.0.0
 os-traits==0.4.0
-osc-lib==1.10.0
-oslo.cache==1.29.0
 oslo.concurrency==3.26.0
 oslo.config==5.2.0
 oslo.context==2.19.2
@@ -88,80 +40,37 @@ oslo.utils==3.33.0
 oslo.versionedobjects==1.31.2
 oslotest==3.2.0
 osprofiler==1.5.0
-packaging==17.1
-Paste==2.0.3
-PasteDeploy==1.5.2
 pbr==2.0.0
 pecan==1.0.0
-pep8==1.5.7
-pika-pool==0.1.3
-pika==0.10.0
-Pillow==5.0.0
-prettytable==0.7.2
 psutil==3.2.2
 psycopg2==2.7.3
-pycadf==2.7.0
-pycodestyle==2.3.1
-pycparser==2.18
-pyflakes==0.8.1
 Pygments==2.2.0
-pyinotify==0.9.6
 PyMySQL==0.7.6
-pyOpenSSL==17.5.0
-pyparsing==2.2.0
-pyperclip==1.6.0
 pysendfile==2.0.0
 python-cinderclient==3.3.0
-python-dateutil==2.7.0
-python-editor==1.0.3
 python-glanceclient==2.8.0
-python-keystoneclient==3.15.0
-python-mimeparse==1.6.0
 python-neutronclient==6.7.0
-python-subunit==1.2.0
 python-swiftclient==3.2.0
 pytz==2013.6
-PyYAML==3.12
 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==0.3.1
-Routes==2.4.1
-seqdiag==0.9.5
-simplegeneric==0.8.1
-simplejson==3.13.2
 six==1.10.0
-snowballstemmer==1.2.1
 Sphinx==1.6.2
 sphinxcontrib-httpdomain==1.6.1
 sphinxcontrib-pecanwsme==0.10.0
 sphinxcontrib-seqdiag==0.8.4
 sphinxcontrib-websupport==1.0.1
-sqlalchemy-migrate==0.11.0
 SQLAlchemy==1.0.10
-sqlparse==0.2.4
-statsd==3.2.2
+sqlalchemy-migrate==0.11.0
 stestr==1.0.0
 stevedore==1.20.0
-Tempita==0.5.2
-tenacity==4.9.0
-testrepository==0.0.20
 testresources==2.0.0
 testscenarios==0.4
 testtools==2.2.0
 tooz==1.58.0
-traceback2==1.4.0
-unittest2==1.1.0
-urllib3==1.22
-vine==1.1.4
-voluptuous==0.11.1
-waitress==1.1.0
-warlock==1.3.1
-webcolors==1.8.1
 WebOb==1.7.1
 WebTest==2.0.27
-wrapt==1.10.11
 WSME==0.9.3