diff -r a5e56749ca3d -r 3d259e1718ef src/pyams_content/component/links/interfaces/__init__.py
--- a/src/pyams_content/component/links/interfaces/__init__.py	Fri Oct 12 14:33:03 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,84 +0,0 @@
-#
-# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-
-__docformat__ = 'restructuredtext'
-
-
-# import standard library
-
-# import interfaces
-from pyams_content.component.association.interfaces import IAssociationContainerTarget, IAssociationItem
-from pyams_content.reference.pictograms.interfaces import SELECTED_PICTOGRAM_VOCABULARY
-from pyams_sequence.interfaces import IInternalReference
-
-# import packages
-from pyams_i18n.schema import I18nTextLineField, I18nTextField
-from pyams_utils.schema import MailAddressField
-from zope.interface import Attribute
-from zope.schema import Choice, TextLine, URI
-
-from pyams_content import _
-
-
-class IBaseLink(IAssociationItem):
-    """Base link interface"""
-
-    title = I18nTextLineField(title=_("Alternate title"),
-                              description=_("Link title, as shown in front-office"),
-                              required=False)
-
-    description = I18nTextField(title=_("Description"),
-                                description=_("Link description displayed by front-office template"),
-                                required=False)
-
-    pictogram_name = Choice(title=_("Pictogram"),
-                            description=_("Name of the pictogram associated with this link"),
-                            required=False,
-                            vocabulary=SELECTED_PICTOGRAM_VOCABULARY)
-
-    pictogram = Attribute("Selected pictogram object")
-
-    def get_editor_url(self):
-        """Get URL for use in HTML editor"""
-
-
-class IInternalLink(IBaseLink, IInternalReference):
-    """Internal link interface"""
-
-
-class IExternalLink(IBaseLink):
-    """External link interface"""
-
-    url = URI(title=_("Target URL"),
-              description=_("URL used to access external resource"),
-              required=True)
-
-    language = Choice(title=_("Language"),
-                      description=_("Language used in this remote resource"),
-                      vocabulary='PyAMS base languages',
-                      required=False)
-
-
-class IMailtoLink(IBaseLink):
-    """Mailto link interface"""
-
-    address = MailAddressField(title=_("Target address"),
-                               description=_("Target email address"),
-                               required=True)
-
-    address_name = TextLine(title=_("Address name"),
-                            description=_("Address as displayed in address book"),
-                            required=True)
-
-
-class ILinkContainerTarget(IAssociationContainerTarget):
-    """Links container marker interface"""