diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 8c2ae5f4..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,88 +0,0 @@
-build: false
-
-branches:
-  only:
-    - pypi-release
-    - pypi-test
-
-image:
-  - Visual Studio 2017
-
-environment:
-  PYPI_PASSWORD:
-    secure: 9NqOJYSnExOsNW15tqSNOV/tLcIAeQOknx7PpXdZ0Vw=
-  PYPITEST_PASSWORD:
-    secure: V4MvmVbhivy0HjzUsUqp7s8TRzSiv1yjWnH3rbzRDobU3dJMwWmkvQyAGr0J5Il1
-  matrix:
-    - PYTHON_VERSION: 3.7
-      MINICONDA: C:\Miniconda3
-      RESTORE_MINICONDA: C:\Miniconda37
-      PYTHON_ARCH: "32"
-    - PYTHON_VERSION: 3.8
-      MINICONDA: C:\Miniconda3
-      RESTORE_MINICONDA: C:\Miniconda37
-      PYTHON_ARCH: "32"
-    - PYTHON_VERSION: 3.9
-      MINICONDA: C:\Miniconda3
-      RESTORE_MINICONDA: C:\Miniconda37
-      PYTHON_ARCH: "32"
-    - PYTHON_VERSION: 3.10
-      MINICONDA: C:\Miniconda3
-      RESTORE_MINICONDA: C:\Miniconda37
-      PYTHON_ARCH: "32"
-
-init:
-  - "ECHO %PYTHON_VERSION% %MINICONDA%"
-
-install:
-  - git submodule update --init --recursive
-  - "set PATH=%MINICONDA%;%MINICONDA%\\Scripts;%PATH%"
-  - conda config --set always_yes yes --set changeps1 no
-  - conda update -q conda
-  - conda info -a
-  - "conda create -q -n test-environment python=%PYTHON_VERSION% numpy scipy>=0.18.0 matplotlib nose pytest"
-  - activate test-environment
-  - "python --version"
-  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-  - "python -m pip install -U setuptools twine wheel"
-  - "python -m pip install -r requirements.txt"
-  - "python setup.py install"
-
-test_script:
-  - "python setup.py build_ext --inplace"
-  - "python -m pytest"
-
-after_test:
-  # This step builds your wheels.
-  - python.exe setup.py bdist_wheel
-  - twine check dist\*
-
-artifacts:
-  # bdist_wheel puts your built wheel in the dist directory
-  - path: dist\*.whl
-
-deploy_script:
-  - echo "Starting Artifact Deployment"
-  # populate pypirc file for twine
-  - echo [distutils]                                   > %USERPROFILE%\\.pypirc
-  - echo index-servers =                              >> %USERPROFILE%\\.pypirc
-  - echo     pypi                                     >> %USERPROFILE%\\.pypirc
-  - echo     pypitest                                 >> %USERPROFILE%\\.pypirc
-  - echo [pypi]                                       >> %USERPROFILE%\\.pypirc
-  - echo username=fakufaku                            >> %USERPROFILE%\\.pypirc
-  - echo password=%PYPI_PASSWORD%                     >> %USERPROFILE%\\.pypirc
-  - echo [pypitest]                                   >> %USERPROFILE%\\.pypirc
-  - echo repository=https://test.pypi.org/legacy/     >> %USERPROFILE%\\.pypirc
-  - echo username=fakufaku                            >> %USERPROFILE%\\.pypirc
-  - echo password=%PYPITEST_PASSWORD%                 >> %USERPROFILE%\\.pypirc
-  # upload to pypi for windows
-  - set PATH=%BK_PATH%
-  - set HOME=%USERPROFILE%
-  - ps: If ($env:APPVEYOR_REPO_BRANCH -eq "pypi-test") { Invoke-Expression "twine upload --repository pypitest --skip-existing dist/*.whl" } Else { write-output "Not on a tag on pypi-test, won't deploy to pypitest"}
-  - ps: If ($env:APPVEYOR_REPO_TAG -eq "true" -And $env:APPVEYOR_REPO_BRANCH -eq "pypi-release") { Invoke-Expression "twine upload --skip-existing dist/*.whl" 2>$null } Else { write-output "Not on a tag on pypi-release, won't deploy to pypi"}
-  - echo "Finished Artifact Deployment"
-
-notifications:
-  - provider: Slack
-    incoming_webhook:
-      secure: nqOk3aT2OywRUWp1LQ2geV/UcGqrz1wN/q24xrrNI8HsNX2HGit3psyMvzS4taPzB4fzNFdOMHHoyqbruc4lpqOr1PWql5PVwpq1K46L8Bw=