diff --git a/.github/workflows/mpi_numba_reg.yml b/.github/workflows/mpi_numba_reg.yml
index 384fd150..fe291d34 100644
--- a/.github/workflows/mpi_numba_reg.yml
+++ b/.github/workflows/mpi_numba_reg.yml
@@ -1,4 +1,4 @@
-name: Regression Test - Numba and MPI (2 threads)
+name: Regression Test - Numba and MPI
 
 on: [push, pull_request]
 
diff --git a/.github/workflows/mpi_numba_regII.yml b/.github/workflows/mpi_numba_regII.yml
deleted file mode 100644
index 020de381..00000000
--- a/.github/workflows/mpi_numba_regII.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Regression Test - Numba and MPI (4 threads)
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    runs-on: ${{ matrix.os }}
-    strategy:
-        fail-fast: false
-        matrix:
-            os: ["ubuntu-latest"] #, "macos-latest"
-    steps:
-    - uses: actions/checkout@v3
-    - name: Set up python 3.11
-      uses: actions/setup-python@v3
-      with:
-        python-version: "3.11"
-    - name: debug
-      run: |
-        pwd
-        ls
-    - uses: mpi4py/setup-mpi@v1
-    - name: Install dependencies
-      run: |
-        #sudo apt-get install libopenmpi-dev
-        #pip install numpy numba h5py matplotlib scipy pytest colorama mpi4py ngsolve distinctipy
-        pip list 
-        pip install -e .
-    - name: Patch Numba
-      run : |
-        bash .github/workflows/patch.sh
-    - name: Regression Test - Numba and MPI
-      run: |
-          cd test/regression
-          python run.py --mode=numba --mpiexec=4