diff --git a/Lib/test/test_uuid.py b/Lib/test/test_uuid.py
index 86e8d4ce555b28..07654dff84e7b4 100755
--- a/Lib/test/test_uuid.py
+++ b/Lib/test/test_uuid.py
@@ -234,7 +234,6 @@ def test_exceptions(self):
         badvalue(lambda: self.uuid.UUID('abc'))
         badvalue(lambda: self.uuid.UUID('123_4567812345678123456781234567'))
         badvalue(lambda: self.uuid.UUID('123_4567812345678123456781_23456'))
-        badvalue(lambda: self.uuid.UUID('123_4567812345678123456781_23456'))
         badvalue(lambda: self.uuid.UUID('1234567812345678123456781234567'))
         badvalue(lambda: self.uuid.UUID('123456781234567812345678123456789'))
         badvalue(lambda: self.uuid.UUID('123456781234567812345678z2345678'))