diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bc926fc0f..fb186aa14 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,26 +67,10 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v2
 
-      - name: Set up Python
-        if: startsWith(matrix.image, 'windows')
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.x'
-      - name: Download CUDA installer
-        if: startsWith(matrix.image, 'windows')
-        run: |
-          python -c "from urllib.request import urlretrieve; urlretrieve('https://developer.download.nvidia.com/compute/cuda/11.2.2/network_installers/cuda_11.2.2_win10_network.exe', 'cuda_11.2.2_win10_network.exe')"
-
       - name: Build on Windows
         if: startsWith(matrix.image, 'windows')
         run: |
           $env:PATH += ';C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin'
-          $env:CudaToolkitDir = 'C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.2'
-          Start-Process -FilePath "cuda_11.2.2_win10_network.exe" -ArgumentList "-s nvcc_11.2 visual_studio_integration_11.2 cudart_11.2" -NoNewWindow -Wait
-          if ($LASTEXITCODE -ne 0) {
-            Write-Error "cuda_11.2.2_win10_network.exe FAILED"
-            exit 201
-          }
           .\build.bat ${{ matrix.options }} ${{ matrix.asm }}
 
       - name: Build on Linux