diff --git a/src/foolscap/test/test_call.py b/src/foolscap/test/test_call.py
index 0f5c43e..056cde7 100644
--- a/src/foolscap/test/test_call.py
+++ b/src/foolscap/test/test_call.py
@@ -220,7 +220,7 @@ def testMegaSchema(self):
         # try to exercise all our constraints at once
         rr, target = self.setupTarget(HelperTarget())
         t = (set([1, 2, 3]),
-             b"str", True, 12, 12, 19.3, None,
+             b"str", True, 12, 19.3, None,
              u"unicode",
              b"bytestring",
              "any", 14.3,