--- a/src/pyams_content/component/paragraph/zmi/html.py	Wed Mar 07 09:48:42 2018 +0100
+++ b/src/pyams_content/component/paragraph/zmi/html.py	Wed Mar 07 09:49:30 2018 +0100
@@ -253,10 +253,6 @@
             body_widget.widget_css_class = 'textarea'
 
 
-class IHTMLParagraphInnerEditForm(Interface):
-    """Marker interface for rich text paragraph inner form"""
-
-
 @view_config(name='properties.json', context=IHTMLParagraph, request_type=IPyAMSLayer,
              permission=MANAGE_CONTENT_PERMISSION, renderer='json', xhr=True)
 class HTMLParagraphPropertiesAJAXEditForm(BaseParagraphAJAXEditForm, HTMLParagraphPropertiesEditForm):
@@ -293,7 +289,7 @@
 
 
 @adapter_config(context=(IHTMLParagraph, IPyAMSLayer), provides=IParagraphInnerEditor)
-@implementer(IInnerForm, IPropertiesEditForm, IAssociationsParentForm, IHTMLParagraphInnerEditForm)
+@implementer(IInnerForm, IPropertiesEditForm, IAssociationsParentForm)
 class HTMLParagraphInnerEditForm(HTMLParagraphPropertiesEditForm):
     """Rich text paragraph inner edit form"""