diff --git a/.appveyor.yml b/.appveyor.yml
index 978988821..dae1831f8 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -41,9 +41,9 @@ install:
 - dir
 
 # install latest stack release
-- curl -skL -ostack.zip http://www.stackage.org/stack/windows-x86_64
-- 7z x stack.zip stack.exe
-- stack --version
+# - curl -skL -ostack.zip http://www.stackage.org/stack/windows-x86_64
+# - 7z x stack.zip stack.exe
+# - stack --version
 
 # install latest stack 4125-cabal-style-build-tools branch
 # - move stack.exe stack-release.exe
@@ -54,9 +54,9 @@ install:
 # install latest stack master
 - move stack.exe stack-release.exe
 - set PATH=C:\Users\appveyor\AppData\Roaming\local\bin;%PATH%
-- stack-release upgrade --git
-- copy C:\Users\appveyor\AppData\Roaming\local\bin\stack.exe C:\Users\appveyor\AppData\Roaming\local\bin\stack-master.exe
-- copy C:\Users\appveyor\AppData\Roaming\local\bin\stack.exe stack.exe
+# - stack-release upgrade --git
+#- copy C:\Users\appveyor\AppData\Roaming\local\bin\stack.exe C:\Users\appveyor\AppData\Roaming\local\bin\stack-master.exe
+# - copy C:\Users\appveyor\AppData\Roaming\local\bin\stack.exe stack.exe
 - stack --version
 
 - dir