diff --git a/packaging/build_conda.sh b/packaging/build_conda.sh
index 6c11853bf8d..252bad295e3 100755
--- a/packaging/build_conda.sh
+++ b/packaging/build_conda.sh
@@ -14,7 +14,7 @@ setup_junit_results_folder
 
 # nvidia channel included for cudatoolkit >= 11 however for 11.5 and 11.6 we use conda-forge
 export CUDATOOLKIT_CHANNEL="nvidia"
-if [[ "$CU_VERSION" == cu115 || "$CU_VERSION" == cu116 ]]; then
+if [[ "$CU_VERSION" == cu116 ]]; then
     export CUDATOOLKIT_CHANNEL="conda-forge"
 fi
 
diff --git a/packaging/pkg_helpers.bash b/packaging/pkg_helpers.bash
index 9da177dafaf..0f568e0ab1c 100644
--- a/packaging/pkg_helpers.bash
+++ b/packaging/pkg_helpers.bash
@@ -54,14 +54,6 @@ setup_cuda() {
       fi
       export TORCH_CUDA_ARCH_LIST="3.5;5.0+PTX;6.0;7.0;7.5;8.0;8.6"
       ;;
-    cu115)
-      if [[ "$OSTYPE" == "msys" ]]; then
-        export CUDA_HOME="C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v11.5"
-      else
-        export CUDA_HOME=/usr/local/cuda-11.5/
-      fi
-      export TORCH_CUDA_ARCH_LIST="3.5;5.0+PTX;6.0;7.0;7.5;8.0;8.6"
-      ;;
     cu113)
       if [[ "$OSTYPE" == "msys" ]]; then
         export CUDA_HOME="C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v11.3"
@@ -252,9 +244,6 @@ setup_conda_cudatoolkit_constraint() {
       cu116)
         export CONDA_CUDATOOLKIT_CONSTRAINT="- cudatoolkit >=11.6,<11.7 # [not osx]"
         ;;
-      cu115)
-        export CONDA_CUDATOOLKIT_CONSTRAINT="- cudatoolkit >=11.5,<11.6 # [not osx]"
-        ;;
       cu113)
         export CONDA_CUDATOOLKIT_CONSTRAINT="- cudatoolkit >=11.3,<11.4 # [not osx]"
         ;;
@@ -284,9 +273,6 @@ setup_conda_cudatoolkit_plain_constraint() {
       cu116)
         export CONDA_CUDATOOLKIT_CONSTRAINT="cudatoolkit=11.6"
         ;;
-      cu115)
-        export CONDA_CUDATOOLKIT_CONSTRAINT="cudatoolkit=11.5"
-        ;;
       cu113)
         export CONDA_CUDATOOLKIT_CONSTRAINT="cudatoolkit=11.3"
         ;;
diff --git a/packaging/windows/internal/cuda_install.bat b/packaging/windows/internal/cuda_install.bat
index 578e1c72ed5..de5bbd04515 100644
--- a/packaging/windows/internal/cuda_install.bat
+++ b/packaging/windows/internal/cuda_install.bat
@@ -25,7 +25,6 @@ set CUDNN_LIB_FOLDER="lib\x64"
 
 if %CUDA_VER% EQU 102 goto cuda102
 if %CUDA_VER% EQU 113 goto cuda113
-if %CUDA_VER% EQU 115 goto cuda115
 if %CUDA_VER% EQU 116 goto cuda116
 
 echo CUDA %CUDA_VERSION_STR% is not supported
@@ -84,32 +83,6 @@ if not exist "%SRC_DIR%\temp_build\%CUDNN_INSTALL_ZIP%" (
 
 goto cuda_common
 
-:cuda115
-
-set CUDA_INSTALL_EXE=cuda_11.5.0_496.13_win10.exe
-if not exist "%SRC_DIR%\temp_build\%CUDA_INSTALL_EXE%" (
-    curl -k -L "https://ossci-windows.s3.amazonaws.com/%CUDA_INSTALL_EXE%" --output "%SRC_DIR%\temp_build\%CUDA_INSTALL_EXE%"
-    if errorlevel 1 exit /b 1
-    set "CUDA_SETUP_FILE=%SRC_DIR%\temp_build\%CUDA_INSTALL_EXE%"
-    set "ARGS=thrust_11.5 nvcc_11.5 cuobjdump_11.5 nvprune_11.5 nvprof_11.5 cupti_11.5 cublas_11.5 cublas_dev_11.5 cudart_11.5 cufft_11.5 cufft_dev_11.5 curand_11.5 curand_dev_11.5 cusolver_11.5 cusolver_dev_11.5 cusparse_11.5 cusparse_dev_11.5 npp_11.5 npp_dev_11.5 nvrtc_11.5 nvrtc_dev_11.5 nvml_dev_11.5"
-)
-
-set CUDNN_INSTALL_ZIP=cudnn-windows-x86_64-8.3.2.44_cuda11.5-archive.zip
-set CUDNN_FOLDER=cudnn-windows-x86_64-8.3.2.44_cuda11.5-archive
-set CUDNN_LIB_FOLDER="lib"
-if not exist "%SRC_DIR%\temp_build\%CUDNN_INSTALL_ZIP%" (
-    curl -k -L "http://s3.amazonaws.com/ossci-windows/%CUDNN_INSTALL_ZIP%" --output "%SRC_DIR%\temp_build\%CUDNN_INSTALL_ZIP%"
-    if errorlevel 1 exit /b 1
-    set "CUDNN_SETUP_FILE=%SRC_DIR%\temp_build\%CUDNN_INSTALL_ZIP%"
-
-    rem Make sure windows path contains zlib dll
-    curl -k -L "http://s3.amazonaws.com/ossci-windows/zlib123dllx64.zip" --output "%SRC_DIR%\temp_build\zlib123dllx64.zip"
-    7z x "%SRC_DIR%\temp_build\zlib123dllx64.zip" -o"%SRC_DIR%\temp_build\zlib"
-    xcopy /Y "%SRC_DIR%\temp_build\zlib\dll_x64\*.dll" "C:\Windows\System32"
-)
-
-goto cuda_common
-
 :cuda116
 
 set CUDA_INSTALL_EXE=cuda_11.6.0_511.23_windows.exe