--- a/src/pyams_content/shared/topic/interfaces.py	Wed Nov 06 16:54:59 2019 +0100
+++ b/src/pyams_content/shared/topic/interfaces.py	Tue Nov 19 16:39:10 2019 +0100
@@ -10,16 +10,17 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
-
 from zope.interface import Interface
 from zope.schema import Choice
 
-from pyams_content.shared.common.interfaces import ISharedContent
-from pyams_content.shared.common.interfaces.types import ITypedSharedToolPortalContext, \
-    IWfTypedSharedContentPortalContext, DATA_TYPES_VOCABULARY
+from pyams_content.shared.common.interfaces import ISharedContent, ISharedToolPortalContext, \
+    IWfSharedContentPortalContext
+from pyams_content.shared.common.interfaces.types import DATA_TYPES_VOCABULARY
 from pyams_sequence.interfaces import IInternalReferencesList
 
+
+__docformat__ = 'restructuredtext'
+
 from pyams_content import _
 
 
@@ -27,7 +28,7 @@
 TOPIC_CONTENT_NAME = _("Topic")
 
 
-class ITopicManager(ITypedSharedToolPortalContext):
+class ITopicManager(ISharedToolPortalContext):
     """Topic manager interface"""
 
 
@@ -35,7 +36,7 @@
     """Topic manager factory interface"""
 
 
-class IWfTopic(IWfTypedSharedContentPortalContext, IInternalReferencesList):
+class IWfTopic(IWfSharedContentPortalContext, IInternalReferencesList):
     """Topic interface"""
 
     data_type = Choice(title=_("Data type"),