diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index eab8f42b..00000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,88 +0,0 @@
-environment:
-
-  TWINE_USERNAME: "dulwich-bot"
-  TWINE_PASSWORD:
-    # See https://www.appveyor.com/docs/build-configuration/#secure-variables
-    secure: e7DTu4CwOCARfN/mwA8lXQ==
-
-  matrix:
-
-    - PYTHON: "C:\\Python35"
-      PYTHON_VERSION: "3.5.x"
-      PYTHON_ARCH: "32"
-
-    - PYTHON: "C:\\Python35-x64"
-      PYTHON_VERSION: "3.5.x"
-      PYTHON_ARCH: "64"
-
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.x"
-      PYTHON_ARCH: "32"
-
-    - PYTHON: "C:\\Python36-x64"
-      PYTHON_VERSION: "3.6.x"
-      PYTHON_ARCH: "64"
-
-    - PYTHON: "C:\\Python37"
-      PYTHON_VERSION: "3.7.x"
-      PYTHON_ARCH: "32"
-
-    - PYTHON: "C:\\Python37-x64"
-      PYTHON_VERSION: "3.7.x"
-      PYTHON_ARCH: "64"
-
-install:
-  # If there is a newer build queued for the same PR, cancel this one.
-  # The AppVeyor 'rollout builds' option is supposed to serve the same
-  # purpose but it is problematic because it tends to cancel builds pushed
-  # directly to master instead of just PR builds (or the converse).
-  # credits: JuliaLang developers.
-  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
-        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
-        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
-          throw "There are newer queued builds for this pull request, failing early." }
-  - ECHO "Filesystem root:"
-  - ps: "ls \"C:/\""
-
-  - ECHO "Installed SDKs:"
-  - ps: "ls \"C:/Program Files/Microsoft SDKs/Windows\""
-
-  # Install Python (from the official .msi of http://python.org) and pip when
-  # not already installed.
-  - ps: if (-not(Test-Path($env:PYTHON))) { & appveyor\install.ps1 }
-
-  # Prepend newly installed Python to the PATH of this build (this cannot be
-  # done from inside the powershell script as it would require to restart
-  # the parent CMD process).
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-
-  # Check that we have the expected version and architecture for Python
-  - "build.cmd %PYTHON%\\python.exe --version"
-  - "build.cmd %PYTHON%\\python.exe -c \"import struct; print(struct.calcsize('P') * 8)\""
-
-  # Install setuptools/wheel so that we can e.g. use bdist_wheel
-  - "pip install setuptools wheel"
-
-  - "build.cmd %PYTHON%\\python.exe setup.py develop"
-
-build_script:
-  # Build the compiled extension
-  - "build.cmd %PYTHON%\\python.exe setup.py build"
-
-test_script:
-  - "build.cmd %PYTHON%\\python.exe setup.py test"
-  - "build.cmd %PYTHON%\\pythonw.exe setup.py test"
-
-after_test:
-  - "build.cmd %PYTHON%\\python.exe setup.py bdist_wheel"
-  # http://stackoverflow.com/questions/43255455/unicode-character-causing-error-with-bdist-wininst-on-python-3-but-not-python-2
-  # - "python setup.py bdist_wininst"
-  - "build.cmd %PYTHON%\\python.exe setup.py bdist_msi"
-  - ps: "ls dist"
-
-deploy_script:
-  - if "%APPVEYOR_REPO_TAG%"=="true" pip install twine
-  - if "%APPVEYOR_REPO_TAG%"=="true" twine upload dist\dulwich-*.whl
-
-artifacts:
-  - path: dist\*