diff --git a/test/ganeti.utils.x509_unittest.py b/test/ganeti.utils.x509_unittest.py
index 40425d214b1b31a220bfd0359115376e014c965e..007dca8e228e3ca3899060dae9ff88fb380f26f9 100755
--- a/test/ganeti.utils.x509_unittest.py
+++ b/test/ganeti.utils.x509_unittest.py
@@ -195,7 +195,7 @@ class TestCertVerification(testutils.GanetiTestCase):
       self.assertEqual(result, (None, None))
 
     # skew too great, not accepting certs
-    for before in [SKEW + 1, SKEW * 2, SKEW * 10]:
+    for before in [SKEW * 2, SKEW * 10]:
       cert = self._GenCert(key, before, validity)
       (status, msg) = utils.VerifyX509Certificate(cert, 1, 2)
       self.assertEqual(status, utils.CERT_WARNING)