diff --git a/.github/workflows/branchbuild.yml b/.github/workflows/branchbuild.yml
index fe738102..624f3aac 100644
--- a/.github/workflows/branchbuild.yml
+++ b/.github/workflows/branchbuild.yml
@@ -7,139 +7,13 @@ on:
   pull_request:
 
 jobs:
-  no_cython_install:
-    name: "Test install with generated cython files"
-    runs-on: "ubuntu-latest"
-
-    steps:
-      - uses: "actions/checkout@v4"
-        with:
-          submodules: 'true'
-
-      - uses: "actions/setup-python@v5"
-        with:
-          python-version: "3.12"
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install Cython==3.0.11
-
-      - name: Generate cython
-        run: |
-          chmod +x ./tools/generate_cython.sh
-          ./tools/generate_cython.sh
-
-      - name: build
-        run: |
-          git apply ./tools/sdist.patch
-          pip install build; python -m build --sdist
-          # test whether tarball contains all files required for compiling
-          pip install dist/rapidfuzz-*.tar.gz -v
-
-      - name: Install testing dependencies
-        run: |
-          pip install pytest hypothesis pandas
-
-      - name: Test with pytest
-        run: |
-          pytest tests
-
-  system_install:
-    name: "Test installation using system supplied libs"
-    runs-on: "ubuntu-latest"
-
-    steps:
-      - uses: "actions/checkout@v4"
-
-      - uses: "actions/setup-python@v5"
-        with:
-          python-version: "3.12"
-
-      - name: Install rapidfuzz-cpp
-        run: |
-          git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git
-          cd rapidfuzz-cpp
-          git checkout v3.2.0
-          mkdir build && cd build
-          cmake .. -DCMAKE_BUILD_TYPE=Release
-          cmake --build .
-          sudo cmake --build . --target install
-
-      - name: Install taskflow
-        run: |
-          git clone https://github.com/taskflow/taskflow.git
-          cd taskflow
-          git checkout v3.3.0
-          mkdir build && cd build
-          cmake .. -DTF_BUILD_TESTS=0 -DTF_BUILD_EXAMPLES=0
-          cmake --build .
-          sudo cmake --build . --target install
-
-      - name: build
-        run: |
-          pip install . -v
-
-      - name: Install testing dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest hypothesis pandas
-
-      - name: Test with pytest
-        run: |
-          pytest tests
-
-  system_install2:
-    name: "Test installation using newest version of Taskflow"
-    runs-on: "ubuntu-latest"
-
-    steps:
-      - uses: "actions/checkout@v4"
-
-      - uses: "actions/setup-python@v5"
-        with:
-          python-version: "3.12"
-
-      - name: Install rapidfuzz-cpp
-        run: |
-          git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git
-          cd rapidfuzz-cpp
-          git checkout v3.2.0
-          mkdir build && cd build
-          cmake .. -DCMAKE_BUILD_TYPE=Release
-          cmake --build .
-          sudo cmake --build . --target install
-
-      - name: Install taskflow
-        run: |
-          git clone https://github.com/taskflow/taskflow.git
-          cd taskflow
-          git checkout v3.6.0
-          mkdir build && cd build
-          cmake .. -DTF_BUILD_TESTS=0 -DTF_BUILD_EXAMPLES=0
-          cmake --build .
-          sudo cmake --build . --target install
-
-      - name: build
-        run: |
-          pip install . -v
-
-      - name: Install testing dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest hypothesis pandas
-
-      - name: Test with pytest
-        run: |
-          pytest tests
-
   tests:
     name: "Python ${{ matrix.python-version }}"
     runs-on: ${{matrix.os}}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9"]
         os: [ubuntu-latest, windows-latest, macos-13]
 
     steps:
@@ -160,62 +34,10 @@ jobs:
           python -m pip install --upgrade pip
           pip install pytest hypothesis pandas mypy pyright pyinstaller[hook_testing]
 
-      - name: Test type stubs
-        run: |
-          python tools/test_scorer_typing.py
-          python -m mypy tools/test_process_typing.py --warn-unused-ignores
-          python -m pyright -p tools/pyrightconfig.json tools/test_process_typing.py
-
-      - name: Test with pytest and backtrace in case of SegFault
-        if: runner.os == 'Linux'
-        run: |
-          sudo apt update && sudo apt install systemd-coredump
-          tools/seg_wrapper.sh pytest tests
-      - name: Test with pytest
-        if: runner.os != 'Linux'
-        run: |
-          pytest tests
-
-      - name: test pyinstaller packaging
-        run: |
-          python -m PyInstaller.utils.run_tests --include_only rapidfuzz.
-
       - name: test cx_freeze packaging
         if: matrix.python-version != '3.13'
+        working-directory: tests/freezeTools
         run: |
           pip install cx_freeze
-          cd tests/freezeTools
           cxfreeze --script script.py --target-dir cxfreezeDist
-          ls
-          ./cxFreezeDist/script
-
-
-  # validate sse2 code on gcc
-  sde_tests:
-    name: "Test sse2 code on Linux (gcc)"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: "actions/checkout@v4"
-        with:
-          submodules: 'true'
-
-      - uses: "actions/checkout@v4"
-        with:
-          repository: rapidfuzz/intel-sde
-          path: sde
-
-      - uses: "actions/setup-python@v5"
-        with:
-          python-version: "3.11"
-
-      - name: build
-        run: |
-          pip install . -v
-
-      - name: Install testing dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install pytest hypothesis pandas mypy
-
-      - name: Test on nehalem which does not support avx2
-        run: ./sde/sde -nhm -- pytest tests
+          ./cxfreezeDist/script
diff --git a/tests/freezeTools/script.py b/tests/freezeTools/script.py
index d54f6d39..a63ba1a1 100644
--- a/tests/freezeTools/script.py
+++ b/tests/freezeTools/script.py
@@ -3,5 +3,4 @@
 from rapidfuzz.distance import metrics_cpp
 rapidfuzz.distance.Levenshtein.distance('test', 'teste')
 metrics_py.levenshtein_distance('test', 'teste')
-metrics_cpp.levenshtein_distance('test', 'teste')
-1/0
\ No newline at end of file
+metrics_cpp.levenshtein_distance('test', 'teste')
\ No newline at end of file