diff --git a/conda/debugging_pytorch.sh b/conda/debugging_pytorch.sh
index e79567acb..4cce4f225 100644
--- a/conda/debugging_pytorch.sh
+++ b/conda/debugging_pytorch.sh
@@ -14,7 +14,7 @@ export USE_CUDA_STATIC_LINK=1
 . ./switch_cuda_version.sh 9.0
 
 
-conda install -y cmake numpy=1.17 setuptools pyyaml cffi mkl=2018 mkl-include typing_extension ninja magma-cuda80 -c pytorch
+conda install -y cmake numpy=1.17 setuptools pyyaml mkl=2018 mkl-include typing_extension ninja magma-cuda80 -c pytorch
 
 export CMAKE_PREFIX_PATH="$(dirname $(which conda))/../"
 git clone https://github.com/pytorch/pytorch -b nightly2 --recursive
diff --git a/wheel/build_wheel.sh b/wheel/build_wheel.sh
index b41c5c11d..00499d7af 100755
--- a/wheel/build_wheel.sh
+++ b/wheel/build_wheel.sh
@@ -167,7 +167,7 @@ tmp_env_name="wheel_py$python_nodot"
 conda create ${EXTRA_CONDA_INSTALL_FLAGS} -yn "$tmp_env_name" python="$desired_python"
 source activate "$tmp_env_name"
 
-retry conda install ${EXTRA_CONDA_INSTALL_FLAGS} -yq cmake "numpy${NUMPY_PINNED_VERSION}" nomkl "setuptools${SETUPTOOLS_PINNED_VERSION}" "pyyaml${PYYAML_PINNED_VERSION}" cffi typing_extensions ninja requests
+retry conda install ${EXTRA_CONDA_INSTALL_FLAGS} -yq cmake "numpy${NUMPY_PINNED_VERSION}" nomkl "setuptools${SETUPTOOLS_PINNED_VERSION}" "pyyaml${PYYAML_PINNED_VERSION}" typing_extensions ninja requests
 retry conda install ${EXTRA_CONDA_INSTALL_FLAGS} -yq mkl-include==2022.2.1 mkl-static==2022.2.1 -c intel
 retry pip install -qr "${pytorch_rootdir}/requirements.txt" || true
 
diff --git a/windows/build_all.bat b/windows/build_all.bat
index 0c1edcf65..f60da8c76 100755
--- a/windows/build_all.bat
+++ b/windows/build_all.bat
@@ -30,8 +30,8 @@ set "ORIG_PATH=%PATH%"
 conda remove -n py36 --all -y || rmdir %CONDA_HOME%\envs\py36 /s
 conda remove -n py37 --all -y || rmdir %CONDA_HOME%\envs\py37 /s
 
-conda create -n py36 -y -q numpy=1.11 mkl=2018 cffi pyyaml boto3 cmake ninja typing_extensions python=3.6
-conda create -n py37 -y -q numpy=1.11 mkl=2018 cffi pyyaml boto3 cmake ninja typing_extensions python=3.7
+conda create -n py36 -y -q numpy=1.11 mkl=2018 pyyaml boto3 cmake ninja typing_extensions python=3.6
+conda create -n py37 -y -q numpy=1.11 mkl=2018 pyyaml boto3 cmake ninja typing_extensions python=3.7
 
 REM Install MKL
 rmdir /s /q mkl
diff --git a/windows/condaenv.bat b/windows/condaenv.bat
index 470575340..790cceeb2 100644
--- a/windows/condaenv.bat
+++ b/windows/condaenv.bat
@@ -9,7 +9,7 @@ FOR %%v IN (%DESIRED_PYTHON%) DO (
     set PYTHON_VERSION_STR=%%v
     set PYTHON_VERSION_STR=!PYTHON_VERSION_STR:.=!
     conda remove -n py!PYTHON_VERSION_STR! --all -y || rmdir %CONDA_HOME%\envs\py!PYTHON_VERSION_STR! /s
-    if "%%v" == "3.7" call conda create -n py!PYTHON_VERSION_STR! -y -q numpy=1.11 "mkl=2020.2" cffi pyyaml boto3 cmake ninja typing_extensions python=%%v
+    if "%%v" == "3.7" call conda create -n py!PYTHON_VERSION_STR! -y -q numpy=1.11 "mkl=2020.2" pyyaml boto3 cmake ninja typing_extensions python=%%v
     if "%%v" == "3.8" call conda create -n py!PYTHON_VERSION_STR! -y -q numpy=1.11 "mkl=2020.2" pyyaml boto3 cmake ninja typing_extensions python=%%v
     if "%%v" == "3.9" call conda create -n py!PYTHON_VERSION_STR! -y -q "numpy>=1.11" "mkl=2020.2" pyyaml boto3 cmake ninja typing_extensions python=%%v
     if "%%v" == "3.10" call conda create -n py!PYTHON_VERSION_STR!  -y -q -c=conda-forge "numpy>=1.21.2" "mkl=2020.2" pyyaml boto3 "cmake=3.19.6" ninja typing_extensions python=%%v