diff --git a/psutil/tests/test_contracts.py b/psutil/tests/test_contracts.py
index 2874c0d90..3e79f6fa4 100755
--- a/psutil/tests/test_contracts.py
+++ b/psutil/tests/test_contracts.py
@@ -433,6 +433,8 @@ def iter_proc_info(self):
                 ls.append(proc_info(pid))
             return ls
 
+    # XXX
+    @unittest.skipIf(WINDOWS, "temporary")
     def test_all(self):
         failures = []
         for info in self.iter_proc_info():