diff -up ecdsa-0.13/ecdsa/test_pyecdsa.py.nosecp256k1 ecdsa-0.13/ecdsa/test_pyecdsa.py
--- ecdsa-0.13/ecdsa/test_pyecdsa.py.nosecp256k1	2016-04-05 20:13:49.858848956 -0600
+++ ecdsa-0.13/ecdsa/test_pyecdsa.py	2016-04-05 20:25:17.496556585 -0600
@@ -337,8 +337,6 @@ class OpenSSL(unittest.TestCase):
         return self.do_test_from_openssl(NIST384p)
     def test_from_openssl_nist521p(self):
         return self.do_test_from_openssl(NIST521p)
-    def test_from_openssl_secp256k1(self):
-        return self.do_test_from_openssl(SECP256k1)
 
     def do_test_from_openssl(self, curve):
         curvename = curve.openssl_name
@@ -372,8 +370,6 @@ class OpenSSL(unittest.TestCase):
         self.do_test_to_openssl(NIST384p)
     def test_to_openssl_nist521p(self):
         self.do_test_to_openssl(NIST521p)
-    def test_to_openssl_secp256k1(self):
-        self.do_test_to_openssl(SECP256k1)
 
     def do_test_to_openssl(self, curve):
         curvename = curve.openssl_name