diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index ec18b4b..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-build: false
-matrix:
-  fast_finish: true     # immediately finish build once one of the jobs fails.
-
-environment:
-  global:
-    APPVEYOR_BUILD_WORKER_IMAGE: 'Visual Studio 2022'
-    COLUMNS: 120  # Appveyor web viewer window width is 130 chars
-
-  matrix:
-   - PYTHON: "C:\\Python39"
-     PYTHON_VERSION: "3.9.x"
-     PYTHON_ARCH: "32"
-
-init:
-  - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"
-
-install:
-  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-  - python -m pip install --upgrade setuptools 'pip<22'
-  - pip install pytest-cov
-  - pip install -e .[test_extra]
-test_script:
-  - pytest --color=yes -ra --cov --cov-report=xml
-on_finish:
-  - curl -Os https://uploader.codecov.io/latest/windows/codecov.exe
-  - codecov -e PYTHON_VERSION,PYTHON_ARCH