diff --git a/lower-constraints.txt b/lower-constraints.txt
index 9b457660cb..912dd66d9b 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -1,64 +1,29 @@
-alabaster==0.7.10
-alembic==0.9.8
 amqp==2.2.2
-appdirs==1.4.3
-asn1crypto==0.24.0
 Babel==2.3.4
 bashate==0.5.1
 bcrypt==3.1.3
-beautifulsoup4==4.6.0
-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
-debtcollector==1.19.0
-decorator==4.2.1
 docutils==0.14
 dogpile.cache==0.6.2
-dulwich==0.19.0
-enum-compat==0.0.2
-eventlet==0.20.0
-extras==1.0.0
-fasteners==0.14.1
 fixtures==3.0.0
 flake8-docstrings==0.2.1.post1
 flake8==2.5.5
 Flask===1.0.2
 Flask-RESTful===0.3.5
 freezegun==0.3.6
-future==0.16.0
-futurist==1.6.0
-greenlet==0.4.13
 hacking==0.12.0
-idna==2.6
-imagesize==1.0.0
 iso8601==0.1.12
-Jinja2==2.10
 jsonschema==2.6.0
 keystoneauth1==3.4.0
 keystonemiddleware==5.1.0
-kombu==4.1.0
 ldappool===2.0.0
-linecache2==1.0.0
 lxml==3.4.1
-Mako==1.0.7
-MarkupSafe==1.0
-mccabe==0.2.1
 mock==2.0.0
-monotonic==1.4
-mox3==0.25.0
 msgpack==0.5.0
-netaddr==0.7.19
-netifaces==0.10.6
 oauthlib==0.6.2
 openstackdocstheme==1.20.0
 os-api-ref==1.4.0
-os-client-config==1.29.0
 os-testr==1.0.0
 oslo.cache==1.26.0
 oslo.concurrency==3.26.0
@@ -71,75 +36,32 @@ oslo.messaging==5.29.0
 oslo.middleware==3.31.0
 oslo.policy==1.33.0
 oslo.serialization==2.18.0
-oslo.service==1.30.0
 oslo.upgradecheck==0.1.0
 oslo.utils==3.33.0
 oslotest==3.2.0
 osprofiler==1.4.0
-paramiko==2.4.1
 passlib==1.7.0
-Paste==2.0.2
-PasteDeploy==1.5.0
 pbr==2.0.0
 pep257==0.7.0
 pep8==1.5.7
-pika-pool==0.1.3
 pika==0.10.0
-prettytable==0.7.2
-psycopg2==2.7.4
-pyasn1==0.4.2
 pycadf==1.1.0
-pycparser==2.18
-pyflakes==0.8.1
-Pygments==2.2.0
-pyinotify==0.9.6
 python-ldap===3.0.0
 pymongo===3.0.2
-PyMySQL==0.8.0
-PyNaCl==1.2.1
-pyOpenSSL==17.5.0
-pyparsing==2.2.0
-pyperclip==1.6.0
 pysaml2==4.5.0
-python-dateutil==2.7.0
-python-editor==1.0.3
 python-keystoneclient==3.8.0
 python-memcached===1.56
-python-mimeparse==1.6.0
-python-subunit==1.2.0
 pytz==2013.6
-PyYAML==3.12
-repoze.lru==0.7
-repoze.who==2.3
 requests==2.14.2
-requestsexceptions==1.4.0
-rfc3986==1.1.0
-Routes==2.3.1
 scrypt==0.8.0
 six==1.10.0
-snowballstemmer==1.2.1
 Sphinx==1.6.5
-sphinxcontrib-websupport==1.0.1
 sqlalchemy-migrate==0.11.0
 SQLAlchemy==1.0.13
-sqlparse==0.2.4
-statsd==3.2.2
 stestr==1.0.0
 stevedore==1.20.0
 tempest==17.1.0
-Tempita==0.5.2
-tenacity==4.9.0
-testrepository==0.0.20
-testresources==2.0.1
-testscenarios==0.5.0
 testtools==2.2.0
-traceback2==1.4.0
-unittest2==1.1.0
 urllib3==1.22
-vine==1.1.4
-voluptuous==0.11.1
-waitress==1.1.0
 WebOb==1.7.1
 WebTest==2.0.27
-wrapt==1.10.11
-zope.interface==4.4.3