diff --git a/ci/appveyor/appveyor.yml b/ci/appveyor/appveyor.yml
index a10a61f9de..8358fa52d3 100644
--- a/ci/appveyor/appveyor.yml
+++ b/ci/appveyor/appveyor.yml
@@ -6,5 +6,4 @@ build_script:
 after_build:
   - '%APPVEYOR_BUILD_FOLDER%\ci\appveyor\after_build.bat'
 cache:
-  - 'llvm+clang-6.0.0-win64-msvc-release.tar.xz'
   - 'llvm+clang-7.0.0-win64-msvc-release.tar.xz'