diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 5027f5e1..aaa773ee 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -20,14 +20,11 @@ jobs:
       - name: "Set up Python 3.7"
         uses: actions/setup-python@v2.2.1
         with:
-          python-version: '3.7' # Semantic version range syntax or exact version of a Python version
+          python-version: '3.7'
 
       - name: "Display Python version"
         run: python -c "import sys; print(sys.version)"
 
-      - name: "Install Sphinx dependencies"
-        run: sudo apt-get install python-dev build-essential
-
       - name: "Cache pip"
         uses: actions/cache@v2.1.4
         with: