diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 33f4f105..00000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-build: false
-environment:
-  global:
-    TOXENV: py
-  matrix:
-    - PYVER: 27
-    - PYVER: 36
-    - PYVER: 37
-    #- PYVER: 38
-install:
-  - git fetch --tags
-  - C:\Python%PYVER%\scripts\pip install -U tox
-test_script:
-  - C:\Python%PYVER%\scripts\tox
-cache:
-  - '%LOCALAPPDATA%\pip\cache'
-  - '%USERPROFILE%\.cache\pre-commit'
diff --git a/tox.ini b/tox.ini
index bd8bc065..eacee6d2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,7 +36,7 @@ commands =
 allowlist_externals = {[coverage]allowlist_externals}
 
 [testenv]
-passenv = CI TOXENV CODECOV_* COVERALLS_* CODACY_* HOME DISTUTILS_USE_SDK MSSdk INCLUDE LIB
+passenv = CI TOXENV CODECOV_* COVERALLS_* CODACY_* HOME
 deps =
     {[extra]deps}
     cython