diff --git a/test/CodeGen/ARM64/lit.local.cfg b/test/CodeGen/ARM64/lit.local.cfg
index de86e548526..48af100698b 100644
--- a/test/CodeGen/ARM64/lit.local.cfg
+++ b/test/CodeGen/ARM64/lit.local.cfg
@@ -1,6 +1,11 @@
+import re
+
 config.suffixes = ['.ll', '.c', '.cpp']
 
 targets = set(config.root.targets_to_build.split())
 if not 'ARM64' in targets:
     config.unsupported = True
 
+# For now we don't test arm64-win32.
+if re.search(r'cygwin|mingw32|win32', config.target_triple):
+    config.unsupported = True