diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 99e1769..d069796 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,81 +7,6 @@ on:
     branches: [main]
 
 jobs:
-  build-ubuntu-no-optional-dependencies:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        python-version: ["3.10", 3.13]
-
-    steps:
-    - name: Check out code
-      uses: actions/checkout@v4
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install from source and install pytest
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install -e .
-        python -m pip install pytest lxml requests
-
-    - name: Run tests with pytest (no matplotlib, no pandas)
-      run: |
-        pytest tests/test_rendering_markdown.py::test_markdown_styling
-        pytest tests/test_rendering_markdown.py::test_markdown_table
-
-    - name: Install matplotlib
-      run: |
-        python -m pip install matplotlib
-
-    - name: Run tests with pytest rendering equations (with matplotlib)
-      run: |
-        pytest tests/test_rendering_markdown.py::test_markdown_equations
-
-  build-ubuntu:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        python-version: ["3.10"]
-
-    steps:
-    - name: Check out code
-      uses: actions/checkout@v4
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install LaTeX
-      run: sudo apt-get install -y texlive-latex-extra texlive-fonts-recommended lmodern texlive-xetex texlive-science
-
-    - name: Install Python dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install -e .[dev]
-
-    - name: Lint code with flake8
-      run: flake8
-
-    - name: Type checking with mypy
-      run: mypy
-
-    - name: Run tests with pytest
-      run: pytest
-
-    - name: Upload rendered files
-      uses: actions/upload-artifact@v4
-      if: strategy.job-index == 0
-      with:
-        name: rendering-results-ubuntu
-        path: tests/out/test_*_render*
-
   build-windows:
     runs-on: windows-latest