diff --git a/appveyor.yml b/appveyor.yml
index 6697d48..6a58597 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,8 +18,10 @@ build_script:
   - cmake --build . -- /verbosity:minimal /p:Configuration=Release
 
 after_build:
-  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\*.pdb
-  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\*.ilk
+  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\dummies\*.pdb
+  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\dummies\*.ilk
+  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\dummies\*.lib
+  - del /F /S /Q /A %APPVEYOR_BUILD_FOLDER%\dummies\*.exp
   - xcopy %APPVEYOR_BUILD_FOLDER%\src %APPVEYOR_BUILD_FOLDER%\dummies\sources /i
   - copy %APPVEYOR_BUILD_FOLDER%\README.md %APPVEYOR_BUILD_FOLDER%\dummies\readme.txt
   - copy %APPVEYOR_BUILD_FOLDER%\LICENSE %APPVEYOR_BUILD_FOLDER%\dummies\license.txt