1 files changed, 5 insertions, 11 deletions

diff --git a/src/mailman/workflows/builtin.py b/src/mailman/workflows/builtin.py
index e16a888fc..33e428d0b 100644
--- a/src/mailman/workflows/builtin.py
+++ b/src/mailman/workflows/builtin.py
@@ -29,13 +29,15 @@ from mailman.interfaces.mailinglist import SubscriptionPolicy
 from mailman.interfaces.member import (AlreadySubscribedError, MemberRole,
                                        MembershipIsBannedError,
                                        NotAMemberError)
-from mailman.interfaces.pending import IPendable, IPendings
+from mailman.interfaces.pending import IPendings
 from mailman.interfaces.subscriptions import (
     SubscriptionConfirmationNeededEvent, SubscriptionPendingError,
     TokenOwner, UnsubscriptionConfirmationNeededEvent)
 from mailman.interfaces.template import ITemplateLoader
 from mailman.interfaces.user import IUser
 from mailman.interfaces.usermanager import IUserManager
+from mailman.interfaces.workflows import (ISubscriptionWorkflow,
+                                          IUnsubscriptionWorkflow)
 from mailman.utilities.datetime import now
 from mailman.utilities.string import expand, wrap
 from mailman.workflows.common import (SubscriptionWorkflowCommon,
@@ -49,17 +51,8 @@ from zope.interface import implementer
 log = logging.getLogger('mailman.subscribe')
 
 
-@implementer(IPendable)
-class PendableSubscription(dict):
-    PEND_TYPE = 'subscription'
-
-
-@implementer(IPendable)
-class PendableUnsubscription(dict):
-    PEND_TYPE = 'unsubscription'
-
-
 @public
+@implementer(ISubscriptionWorkflow)
 class SubscriptionWorkflow(SubscriptionWorkflowCommon):
     """Workflow of a subscription request."""
 
@@ -269,6 +262,7 @@ class SubscriptionWorkflow(SubscriptionWorkflowCommon):
 
 
 @public
+@implementer(IUnsubscriptionWorkflow)
 class UnSubscriptionWorkflow(SubscriptionWorkflowCommon):
     """Workflow of a unsubscription request."""