diff --git a/.github/workflows/backends.yml b/.github/workflows/backends.yml
index 5a6a997..70d1230 100644
--- a/.github/workflows/backends.yml
+++ b/.github/workflows/backends.yml
@@ -111,65 +111,6 @@ jobs:
           name: windows-cuda12
           path: .\build\bin\Release\stable-diffusion.dll
 
-  windows-cuda11:
-    runs-on: windows-latest
-
-    steps:
-      - name: Checkout
-        id: checkout
-        uses: actions/checkout@v4.2.2
-        with:
-          repository: 'leejet/stable-diffusion.cpp'
-          ref: '${{ github.event.inputs.commit }}'
-          submodules: recursive
-
-      - name:  Install Cuda Toolkit 11.8
-        id: cuda-11
-        run: |
-          mkdir -p "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8"
-          choco install unzip -y
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_cudart/windows-x86_64/cuda_cudart-windows-x86_64-11.8.89-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_nvcc/windows-x86_64/cuda_nvcc-windows-x86_64-11.8.89-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_nvrtc/windows-x86_64/cuda_nvrtc-windows-x86_64-11.8.89-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/libcublas/windows-x86_64/libcublas-windows-x86_64-11.8.1.74-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_nvtx/windows-x86_64/cuda_nvtx-windows-x86_64-11.8.86-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_profiler_api/windows-x86_64/cuda_profiler_api-windows-x86_64-11.8.86-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/visual_studio_integration/windows-x86_64/visual_studio_integration-windows-x86_64-11.8.86-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_nvprof/windows-x86_64/cuda_nvprof-windows-x86_64-11.8.87-archive.zip"
-          curl -O "https://developer.download.nvidia.com/compute/cuda/redist/cuda_cccl/windows-x86_64/cuda_cccl-windows-x86_64-11.8.89-archive.zip"
-          unzip '*.zip' -d "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8"
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_cudart-windows-x86_64-11.8.89-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_nvcc-windows-x86_64-11.8.89-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_nvrtc-windows-x86_64-11.8.89-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\libcublas-windows-x86_64-11.8.1.74-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_nvtx-windows-x86_64-11.8.86-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_profiler_api-windows-x86_64-11.8.86-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\visual_studio_integration-windows-x86_64-11.8.86-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_nvprof-windows-x86_64-11.8.87-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\cuda_cccl-windows-x86_64-11.8.89-archive\*" "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" /E /I /H /Y
-          xcopy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\visual_studio_integration\MSBuildExtensions\*" "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Microsoft\VC\v170\BuildCustomizations" /E /I /H /Y
-          echo "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-          echo "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8\libnvvp" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-          echo "CUDA_PATH=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
-          echo "CUDA_PATH_V11_8=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.8" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
-
-      - name: Build
-        id: cmake_build
-        shell: cmd
-        run: |
-          mkdir build
-          cd build
-          call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          cmake .. -DSD_CUDA=ON -DCMAKE_CUDA_ARCHITECTURES="61;75;80;86;89" -DSD_BUILD_SHARED_LIBS=ON -DCMAKE_CUDA_FLAGS="-allow-unsupported-compiler" -D_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH
-          cmake --build . --config Release
-      
-      - name: Upload artifact
-        id: upload_artifact
-        uses: actions/upload-artifact@v4.6.1
-        with:
-          name: windows-cuda11
-          path: .\build\bin\Release\stable-diffusion.dll
-
   windows-sycl:
     runs-on: windows-latest
     
@@ -526,13 +467,11 @@ jobs:
     needs:
       - windows-cpu
       - windows-cuda12
-      - windows-cuda11
       - windows-sycl
       - windows-hip
       - windows-vulkan
       - linux-cpu
       - linux-cuda12
-      - linux-cuda11
       - linux-sycl
       - linux-hip
       - osx-cpu
@@ -559,9 +498,7 @@ jobs:
         id: pack
         run: |
           nuget pack ./Backends/StableDiffusion.NET.Backend.Cpu.nuspec -version ${{ github.event.inputs.version }}
-          nuget pack ./Backends/StableDiffusion.NET.Backend.Cuda11.Windows.nuspec -version ${{ github.event.inputs.version }}
           nuget pack ./Backends/StableDiffusion.NET.Backend.Cuda12.Windows.nuspec -version ${{ github.event.inputs.version }}
-          nuget pack ./Backends/StableDiffusion.NET.Backend.Cuda11.Linux.nuspec -version ${{ github.event.inputs.version }}
           nuget pack ./Backends/StableDiffusion.NET.Backend.Cuda12.Linux.nuspec -version ${{ github.event.inputs.version }}
           nuget pack ./Backends/StableDiffusion.NET.Backend.Cuda.nuspec -version ${{ github.event.inputs.version }}
           nuget pack ./Backends/StableDiffusion.NET.Backend.Rocm.nuspec -version ${{ github.event.inputs.version }}