diff --git a/.zuul.yaml b/.zuul.yaml
index a0b5205..ae1fbf1 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -21,7 +21,6 @@
         MYSQL_ROOT_PW: secretdatabase
         MISTRAL_USE_MOD_WSGI: true
         MISTRAL_RPC_IMPLEMENTATION: oslo
-        USE_PYTHON3: true
       devstack_services:
         heat: true
         h-api: true
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 7ddda55..7075db6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=1.8.0,!=2.1.0;python_version>='3.4' # BSD
+sphinx>=1.8.0,!=2.1.0 # BSD
 sphinxcontrib-httpdomain>=1.3.0 # BSD
 sphinxcontrib-pecanwsme>=0.8.0 # Apache-2.0
 openstackdocstheme>=1.30.0 # Apache-2.0
diff --git a/releasenotes/notes/drop-py-2-7-324d8df63fe680c0.yaml b/releasenotes/notes/drop-py-2-7-324d8df63fe680c0.yaml
new file mode 100644
index 0000000..8f380ca
--- /dev/null
+++ b/releasenotes/notes/drop-py-2-7-324d8df63fe680c0.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 2.7 support has been dropped. Last release of mistral-tempest-plugin
+    to support py2.7 is OpenStack Train. The minimum version of Python now
+    supported by mistral-tempest-plugin is Python 3.5.
diff --git a/setup.cfg b/setup.cfg
index d607d01..7996939 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,7 +14,6 @@ classifier =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3.5
     Programming Language :: Python :: 3.6