diff --git a/requirements.txt b/requirements.txt
index ce3fb5718..f292856ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,69 +4,24 @@
 
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 SQLAlchemy!=1.1.5,!=1.1.6,!=1.1.7,!=1.1.8,>=1.0.10 # MIT
-decorator>=3.4.0 # BSD
-eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
-Jinja2>=2.10 # BSD License (3 clause)
 keystonemiddleware>=4.17.0 # Apache-2.0
-lxml!=3.7.0,>=3.4.1 # BSD
 Routes>=2.3.1 # MIT
-cryptography>=2.1 # BSD/Apache-2.0
 WebOb>=1.8.2 # MIT
-# NOTE(mriedem): greenlet 0.4.14 does not work with older versions of gcc on
-# ppc64le systems, see https://github.com/python-greenlet/greenlet/issues/136.
-greenlet>=0.4.10,!=0.4.14 # MIT
-PasteDeploy>=1.5.0 # MIT
-Paste>=2.0.2 # MIT
-PrettyTable<0.8,>=0.7.1 # BSD
 sqlalchemy-migrate>=0.11.0 # Apache-2.0
-netaddr>=0.7.18 # BSD
-netifaces>=0.10.4 # MIT
-paramiko>=2.0.0 # LGPLv2.1+
-Babel!=2.4.0,>=2.3.4 # BSD
-enum34>=1.0.4;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
-iso8601>=0.1.11 # MIT
 jsonschema<3.0.0,>=2.6.0 # MIT
-python-cinderclient>=3.3.0 # Apache-2.0
-keystoneauth1>=3.9.0 # Apache-2.0
-python-neutronclient>=6.7.0 # Apache-2.0
-python-glanceclient>=2.8.0 # Apache-2.0
 requests>=2.14.2 # Apache-2.0
 six>=1.10.0 # MIT
-stevedore>=1.20.0 # Apache-2.0
 setuptools!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0,!=34.3.0,!=34.3.1,!=34.3.2,!=36.2.0,>=21.0.0 # PSF/ZPL
-websockify>=0.8.0 # LGPLv3
-oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.26.0 # Apache-2.0
 oslo.config>=6.1.0 # Apache-2.0
 oslo.context>=2.19.2 # Apache-2.0
 oslo.log>=3.36.0 # Apache-2.0
-oslo.reports>=1.18.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 oslo.db>=4.40.0 # Apache-2.0
-oslo.rootwrap>=5.8.0 # Apache-2.0
-oslo.messaging>=6.3.0 # Apache-2.0
 oslo.policy>=1.35.0 # Apache-2.0
-oslo.privsep>=1.23.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
-oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
-rfc3986>=0.3.1 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
-psutil>=3.2.2 # BSD
 oslo.versionedobjects>=1.31.2 # Apache-2.0
-os-brick>=2.5.0 # Apache-2.0
 os-traits>=0.4.0 # Apache-2.0
-os-vif!=1.8.0,>=1.7.0 # Apache-2.0
-os-win>=3.0.0 # Apache-2.0
-castellan>=0.16.0 # Apache-2.0
 microversion-parse>=0.2.1 # Apache-2.0
-os-xenapi>=0.3.3 # Apache-2.0
-tooz>=1.58.0 # Apache-2.0
-cursive>=0.2.1 # Apache-2.0
-pypowervm>=1.1.15 # Apache-2.0
-retrying>=1.3.3,!=1.3.0 # Apache-2.0
-os-service-types>=1.2.0 # Apache-2.0
-taskflow>=2.16.0 # Apache-2.0
-python-dateutil>=2.5.3 # BSD
-zVMCloudConnector>=1.1.1;sys_platform!='win32'  # Apache 2.0 License
-futures>=3.0.0;python_version=='2.7' or python_version=='2.6' # PSF
diff --git a/test-requirements.txt b/test-requirements.txt
index 19f0828f4..10fe251b7 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,26 +4,15 @@
 
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
-ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
-mox3>=0.20.0 # Apache-2.0
 psycopg2>=2.6.2 # LGPL/ZPL
 PyMySQL>=0.7.6 # MIT License
-python-barbicanclient>=4.5.2 # Apache-2.0
-python-ironicclient>=2.3.0 # Apache-2.0
-requests-mock>=1.2.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
-osprofiler>=1.4.0 # Apache-2.0
-testresources>=2.0.0 # Apache-2.0/BSD
-testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 bandit>=1.1.0 # Apache-2.0
 gabbi>=1.35.0 # Apache-2.0
 
-# vmwareapi driver specific dependencies
-oslo.vmware>=2.17.0 # Apache-2.0
-
 # placement functional tests
 wsgi-intercept>=1.7.0 # MIT License