diff --git a/standalone/windows/build.sh b/standalone/windows/build.sh
index a8469a675b..48e78e7ed5 100755
--- a/standalone/windows/build.sh
+++ b/standalone/windows/build.sh
@@ -27,8 +27,8 @@ export UPGRADE_LOCATION
 #export FORCE_GIT_VERSION
 
 # Uncomment to get rid of cabal installed libraries.
-#cabal list --installed
-#rm -rf /c/Users/jenkins/AppData/Roaming/cabal /c/Users/jenkins/AppData/Roaming/ghc
+cabal list --installed
+rm -rf /c/Users/jenkins/AppData/Roaming/cabal /c/Users/jenkins/AppData/Roaming/ghc
 
 # Don't allow build artifact from a past successful build to be extracted
 # if we fail.