diff --git a/.gitignore b/.gitignore
index 8703ecc..104b8f1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ monasca_transform.egg-info
 tools/vagrant/.vagrant
 doc/build/*
 .stestr
+.tox
diff --git a/.zuul.yaml b/.zuul.yaml
index 2bee931..8f8059b 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -4,23 +4,11 @@
       - check-requirements
       - openstack-cover-jobs
       - openstack-lower-constraints-jobs
-      - openstack-python-jobs
       - openstack-python3-ussuri-jobs
     check:
       jobs:
-        - legacy-tempest-dsvm-monasca-transform-python-functional:
-            irrelevant-files:
-              - ^(test-|)requirements.txt$
-              - ^setup.cfg$
         - legacy-tempest-dsvm-monasca-transform-python35-functional:
             voting: false
             irrelevant-files:
               - ^(test-|)requirements.txt$
               - ^setup.cfg$
-    gate:
-      jobs:
-        - legacy-tempest-dsvm-monasca-transform-python-functional:
-            irrelevant-files:
-              - ^(test-|)requirements.txt$
-              - ^setup.cfg$
-
diff --git a/releasenotes/notes/drop-py-2-7-297320bc1d9f0280.yaml b/releasenotes/notes/drop-py-2-7-297320bc1d9f0280.yaml
new file mode 100644
index 0000000..e6c6376
--- /dev/null
+++ b/releasenotes/notes/drop-py-2-7-297320bc1d9f0280.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. Last release of monasca-transform
+    to support python 2.7 is OpenStack Train. The minimum version of Python now
+    supported by monasca-transform is Python 3.6.
diff --git a/setup.cfg b/setup.cfg
index ba9633d..55f3bf0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,8 +12,6 @@ classifier =
     License :: OSI Approved :: Apache Software License
     Operating System :: POSIX :: Linux
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
diff --git a/test-requirements.txt b/test-requirements.txt
index 71bc1d2..fd8d3c5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,6 @@ fixtures>=3.0.0 # Apache-2.0/BSD
 pycodestyle==2.5.0 # MIT License
 stestr>=2.0.0 # Apache-2.0
 # required to build documentation
-sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
 sphinx!=1.6.6,!=1.6.7,>=1.6.2,!=2.1.0;python_version>='3.4' # BSD
 #oslosphinx>=4.7.0 # Apache-2.0
 # computes code coverage percentages
diff --git a/tox.ini b/tox.ini
index 03c8d41..bb4f845 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,10 @@
 [tox]
-envlist = py27,py37,pep8
+envlist = py37,pep8
 minversion = 1.6
 skipsdist = True
 
 [testenv]
+basepython = python3
 usedevelop = True
 install_command = pip install {opts} {packages}
 setenv =
@@ -22,7 +23,7 @@ commands =
   stestr run {posargs}
 
 [testenv:functional]
-basepython = python2.7
+basepython = python3.6
 setenv = {[testenv]setenv}
          SPARK_HOME=/opt/spark/current
          SPARK_SCALA_VERSION=2.10
@@ -39,7 +40,6 @@ commands =
   stestr run --serial {posargs}
 
 [testenv:pep8]
-basepython = python3
 commands =
   flake8
 
@@ -48,11 +48,9 @@ commands =
   python setup.py build_sphinx
 
 [testenv:venv]
-basepython = python3
 commands = {posargs}
 
 [testenv:cover]
-basepython = python3
 # Also do not run test_coverage_ext tests while gathering coverage as those
 # tests conflict with coverage.
 setenv =
@@ -80,7 +78,6 @@ show-source = True
 exclude=.venv,.git,.tox,dist,*egg,build
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt