--- a/src/pyams_content/reference/pictograms/interfaces/__init__.py	Mon Nov 05 13:20:10 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +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.reference.interfaces import IReferenceInfo, IReferenceTable
-from zope.annotation.interfaces import IAttributeAnnotatable
-
-# import packages
-from pyams_i18n.schema import I18nImageField, I18nTextLineField
-from zope.container.constraints import containers, contains
-from zope.interface import Interface
-from zope.schema import List, Choice
-
-from pyams_content import _
-
-
-PICTOGRAM_VOCABULARY = 'PyAMS pictograms'
-SELECTED_PICTOGRAM_VOCABULARY = 'PyAMS selected pictograms'
-
-
-class IPictogram(IReferenceInfo):
-    """Pictogram interface
-
-    Pictograms are managed in a specific reference table to be easily reused by the application
-    into any shared content.
-    """
-
-    containers('.IPictogramTable')
-
-    image = I18nImageField(title=_("Image"),
-                           description=_("Pictogram content"),
-                           required=True)
-
-    alt_title = I18nTextLineField(title=_("Accessibility title"),
-                                  description=_("Alternate title used to describe image content"),
-                                  required=False)
-
-    header = I18nTextLineField(title=_('pictogram-header', default="Header"),
-                               description=_("Default header associated with this pictogram"),
-                               required=False)
-
-
-class IPictogramTable(IReferenceTable):
-    """Pictograms table interface"""
-
-    contains(IPictogram)
-
-
-PICTOGRAM_MANAGER_KEY = 'pyams_content.pictogram.manager'
-
-
-class IPictogramManager(Interface):
-    """Pictogram manager interface
-
-    A pictogram manager (typically, a shared tool) is a component which allows selection of a set of
-    pictogram which will be available for selection into shared content.
-    """
-
-    selected_pictograms = List(title=_("Selected pictograms"),
-                               description=_("List of selected pictograms which will be available to shared contents"),
-                               required=False,
-                               value_type=Choice(vocabulary='PyAMS pictograms'))
-
-
-class IPictogramManagerTarget(IAttributeAnnotatable):
-    """Pictogram manager target interface"""