diff --git a/appveyor.yml b/appveyor.yml
index 6f6bff9e0..a24d731cf 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -38,16 +38,15 @@ build:
 # scripts to run before build
 before_build:
   - echo Running cmake...
-  - dir c:\Libraries\boost
-  - dir c:\Libraries\boost\lib64-msvc-12.0
   - cd c:\projects\RDKit
   - mkdir c:\projects\RDKit\build
   - cd c:\projects\RDKit\build
   - cmake -G "Visual Studio 12 Win64" -DCMAKE_INSTALL_PREFIX=%P% -DRDK_BUILD_PYTHON_WRAPPERS=OFF -DRDK_BUILD_SWIG_WRAPPERS=OFF -DBOOST_ROOT="%BOOST_ROOT%" -DBOOST_LIBRARYDIR="%BOOST_LIBRARYDIR%" ..
 
-test_script:
-  - cd c:\projects\RDKit\build
-  - ctest
+## tests disabled because they take too long to run
+#test_script:
+#  - cd c:\projects\RDKit\build
+#  - ctest 
 
 # scripts to run after build
 #after_build: