1 files changed, 6 insertions, 6 deletions
diff --git a/src/cryptography/hazmat/primitives/asymmetric/dh.py b/src/cryptography/hazmat/primitives/asymmetric/dh.py
index fc1317f0..92a493a0 100644
--- a/src/cryptography/hazmat/primitives/asymmetric/dh.py
+++ b/src/cryptography/hazmat/primitives/asymmetric/dh.py
@@ -129,9 +129,6 @@ class DHParameters(object):
         Returns the parameters serialized as bytes.
         """
 
-
-@six.add_metaclass(abc.ABCMeta)
-class DHParametersWithSerialization(DHParameters):
     @abc.abstractmethod
     def parameter_numbers(self):
         """
@@ -139,6 +136,9 @@ class DHParametersWithSerialization(DHParameters):
         """
 
 
+DHParametersWithSerialization = DHParameters
+
+
 @six.add_metaclass(abc.ABCMeta)
 class DHPrivateKey(object):
     @abc.abstractproperty
@@ -196,9 +196,6 @@ class DHPublicKey(object):
         The DHParameters object associated with this public key.
         """
 
-
-@six.add_metaclass(abc.ABCMeta)
-class DHPublicKeyWithSerialization(DHPublicKey):
     @abc.abstractmethod
     def public_numbers(self):
         """
@@ -210,3 +207,6 @@ class DHPublicKeyWithSerialization(DHPublicKey):
         """
         Returns the key serialized as bytes.
         """
+
+
+DHPublicKeyWithSerialization = DHPublicKey