diff --git a/.travis.yml b/.travis.yml
index 0256b0af..5e9c1510 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,97 +17,11 @@ jobs:
       os: linux
       python: "2.7"
       env: TOXENV=py27
-    - name: Python 3.5 on GNU/Linux
-      os: linux
-      python: "3.5"
-      env: TOXENV=py35
-    - name: Python 3.6 on GNU/Linux
-      os: linux
-      python: "3.6"
-      env:
-        - TOXENV=py36
-        # To help catch regression seen in #615
-        - LC_ALL=C
-    - name: Python 3.7 on GNU/Linux
-      os: linux
-      python: "3.7"
-      env: TOXENV=py37
-    - name: Python 3.8 on GNU/Linux
-      os: linux
-      python: "3.8"
-      env: TOXENV=py38
-    - name: Python 3.9 on GNU/Linux
-      os: linux
-      python: 3.9-dev
-      env: TOXENV=py39
-    - name: Python 3.10 on GNU/Linux
-      os: linux
-      python: nightly
-      env: TOXENV=py310
     - name: PyPy 2.7 on GNU/Linux
       os: linux
       python: "pypy"
       env: TOXENV=pypy
-    - name: PyPy 3.6 on GNU/Linux
-      os: linux
-      python: "pypy3"
-      env: TOXENV=pypy3
-    - name: Python 3.5 on macOS
-      os: osx
-      language: shell
-      install:
-        - unset PYENV_ROOT
-        - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
-        - export PATH="$HOME/.pyenv/bin:$PATH"
-        - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.5.10
-        - pyenv global 3.5.10
-      env: TOXENV=py35
-    - name: Python 3.6 on macOS
-      os: osx
-      language: shell
-      install:
-        - unset PYENV_ROOT
-        - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
-        - export PATH="$HOME/.pyenv/bin:$PATH"
-        - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.6.12
-        - pyenv global system 3.6.12
-      env: TOXENV=py36
-    - name: Python 3.7 on macOS
-      os: osx
-      language: shell
-      install:
-        - unset PYENV_ROOT
-        - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
-        - export PATH="$HOME/.pyenv/bin:$PATH"
-        - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.7.9
-        - pyenv global system 3.7.9
-      env: TOXENV=py37
-    - name: Python 3.8 on macOS
-      os: osx
-      language: shell
-      install:
-        - unset PYENV_ROOT
-        - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
-        - export PATH="$HOME/.pyenv/bin:$PATH"
-        - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.8.6
-        - pyenv global system 3.8.6
-      env: TOXENV=py38
-    - name: Python 3.9 on macOS
-      os: osx
-      language: shell
-      install:
-        - unset PYENV_ROOT
-        - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
-        - export PATH="$HOME/.pyenv/bin:$PATH"
-        - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.9-dev
-        - pyenv global system 3.9-dev
-      env: TOXENV=py39
-    - name: Python 3.10 on macOS
+    - name: Python 2.7 on macOS
       os: osx
       language: shell
       install:
@@ -115,9 +29,9 @@ jobs:
         - curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
         - export PATH="$HOME/.pyenv/bin:$PATH"
         - eval "$(pyenv init -)"
-        - pyenv install --skip-existing 3.10-dev
-        - pyenv global system 3.10-dev
-      env: TOXENV=py310
+        - pyenv install --skip-existing 2.7.18
+        - pyenv global system 2.7.18
+      env: TOXENV=py27
     - name: Python 2.7 on Windows
       os: windows
       language: shell
@@ -126,54 +40,6 @@ jobs:
       env:
         - TOXENV=py27
         - export PATH="/c/Python27:/c/Python27/Scripts:$PATH"
-    - name: Python 3.5 on Windows
-      os: windows
-      language: shell
-      before_install:
-        - choco install python3 --version=3.5.4
-      env:
-        - TOXENV=py35
-        - export PATH="/c/Python35:/c/Python35/Scripts:$PATH"
-    - name: Python 3.6 on Windows
-      os: windows
-      language: shell
-      before_install:
-        - choco install python3 --version=3.6.8
-      env:
-        - TOXENV=py36
-        - export PATH="/c/Python36:/c/Python36/Scripts:$PATH"
-    - name: Python 3.7 on Windows
-      os: windows
-      language: shell
-      before_install:
-        -choco install python3 --version=3.7.9
-      env:
-        - TOXENV=py37
-        - export PATH="/c/Python37:/c/Python37/Scripts:$PATH"
-    - name: Python 3.8 on Windows
-      os: windows
-      language: shell
-      before_install:
-        - choco install python3 --version=3.8.6
-      env:
-        - TOXENV=py38
-        - export PATH="/c/Python38:/c/Python38/Scripts:$PATH"
-    - name: Python 3.9 on Windows
-      os: windows
-      language: shell
-      before_install:
-        - choco install python3 --version=3.9.0
-      env:
-        - TOXENV=py39
-        - export PATH="/c/Python39:/c/Python39/Scripts:$PATH"
-    - name: Python 3.10 on Windows
-      os: windows
-      language: shell
-      before_install:
-        - choco install python3 --pre
-      env:
-        - TOXENV=py310
-        - export PATH="/c/Python310:/c/Python310/Scripts:$PATH"
 
 before_script:
   - python -m pip install -U pip tox
diff --git a/tox.ini b/tox.ini
index 0da299c2..36607834 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{310,39,38,37,36,35,27,py3,py}
+envlist = py{27,py}
 skip_missing_interpreters = True
 
 [testenv]