diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index 137aaa537e2..c0d21b1c80f 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -4173,7 +4173,6 @@ class CheckAttributes(unittest.TestCase):
         self.assertTrue(P.HAVE_THREADS is True or P.HAVE_THREADS is False)
 
         self.assertEqual(C.__version__, P.__version__)
-        self.assertEqual(C.__libmpdec_version__, P.__libmpdec_version__)
 
         self.assertEqual(dir(C), dir(P))