diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6857ab..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
 
@@ -100,30 +25,26 @@ jobs:
 
     - name: Cache MiKTeX Portable
       uses: actions/cache@v4
+      id: miktex
       with:
         path: miktex-portable
         key: miktex-portable-${{ runner.os }}-24.1-x64
 
-    - name: Set up MiKTeX Portable
-      if: steps.cache.outputs.cache-hit != 'true'
+    - if: ${{ steps.miktex.outputs.cache-hit != 'true' }}
+      name: Set up MiKTeX Portable
       run: |
         $ProgressPreference = 'SilentlyContinue'
         Invoke-WebRequest https://www.nonan.net/w/files/miktex-portable-Win-x64.zip -OutFile miktex-portable-Win-x64.zip
         Expand-Archive miktex-portable-Win-x64.zip -DestinationPath .
 
-    - name: Check directory structure of MiKTeX installation
+    - name: Copy and check directory structure of MiKTeX installation
       run: |
-        dir ".\miktex-portable\texmfs\install\miktex\bin\x64\*"
+        robocopy miktex-portable C:\tmp\test_miktex\miktex-portable /E /NFL /NDL
+        if ($LASTEXITCODE -eq 1) { exit 0 }
 
     - name: Add miktex to PATH
       run: |
-        echo "PATH=$PATH;$(pwd)\miktex-portable\miktex\bin\x64" | Out-File -FilePath $env:GITHUB_ENV -Append
-
-    - name: Show path variable
-      run: |
-        echo $env:PATH
-        echo "-----"
-        echo $env:GITHUB_ENV
+        echo "PATH=$PATH;C:\tmp\test_miktex\miktex-portable\texmfs\install\miktex\bin\x64;C:\Program Files\Git\usr\bin" | Out-File -FilePath $env:GITHUB_ENV -Append
 
     - name: test xelatex
       run: xelatex --version
@@ -133,11 +54,11 @@ jobs:
         python -m pip install -e .[dev]
 
     - name: Run tests with pytest
-      run: pytest
+      run: pytest tests/test_rendering_markdown.py::test_markdown_styling
 
     - name: Upload rendered files
       uses: actions/upload-artifact@v4
       if: strategy.job-index == 0
       with:
         name: rendering-results-windows
-        path: tests/out/test_*_render*.pdf
\ No newline at end of file
+        path: tests/out/test_*_render*.pdf