diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index f7d4fad..5964c0c 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -38,8 +38,6 @@ jobs:
           python -m pip install --upgrade coverage[toml] virtualenv tox tox-gh-actions
           python -m pip install -r requirements.txt
           python -m pip install .
-      - name: "Run tox targets for ${{ matrix.python-version }}, ${{ matrix.os }}"
-        run: "python -m tox"
       - name: "Run package tests for ${{ matrix.python-version }}, ${{ matrix.os }}"
         run: "python -m pytest -vv -m 'not latex and not notebook'"
       - name: "Run notebook tests for ${{ matrix.python-version }} if ubuntu os"
diff --git a/README.md b/README.md
index 056b76c..8ed5a4c 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@ Note: I do not follow [Semantic Versioning](https://semver.org/) for this projec
 * Add escaping of model-selection-notebook correlation tex table columns
 * Fix latex color theme name for Ubuntu
 * Update github action versions for checkout and setup-python
+* Remove tox, as it duplicated the ci-cd matrix strategy
 
 ### v2022.1.2
 
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 26eed1a..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,9 +0,0 @@
-[tox]
-envlist = py36, py37, py38, py39
-
-[gh-actions]
-python =
-    3.6: py36
-    3.7: py37
-    3.8: py38
-    3.9: py39