Revert "Migrate Travis CI to Github Actions."
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
deleted file mode 100644
index 59fc2ac..0000000
--- a/.github/workflows/lint.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-# This workflow will install Python dependencies, run tests and lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
-name: WebGL lint
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v2
-      with:
-        python-version: 3.9
-    - name: Install dependencies
-      run: |
-        sudo apt-get install libxml2-utils
-        python -m pip install --upgrade pip
-        pip install --upgrade setuptools
-        pip install flake8 pytest
-        if [ -f .github/workflows/requirements.txt ]; then pip install -r .github/workflows/requirements.txt; fi
-    - name: Run WebGL Linter
-      run: |
-        python ./sdk/tests/py/lint/lint.py -p
diff --git a/.github/workflows/requirements.txt b/.github/workflows/requirements.txt
deleted file mode 100644
index 6bcef8a..0000000
--- a/.github/workflows/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-html5lib
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..e71a709
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,14 @@
+dist: xenial
+sudo: required
+
+language: python
+
+python:
+  - "3.7"
+
+before_script:
+  - sudo apt-get install libxml2-utils
+  - pip install --upgrade setuptools
+  - pip install html5lib
+
+script: ./sdk/tests/py/lint/lint.py -p