diff -r a5e56749ca3d -r 3d259e1718ef src/pyams_content/component/paragraph/zmi/preview.py
--- a/src/pyams_content/component/paragraph/zmi/preview.py	Fri Oct 12 14:33:03 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,56 +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.paragraph.interfaces import IParagraphContainerTarget, IParagraphContainer, \
-    IParagraphRenderer
-from pyams_content.features.renderer.interfaces import ISharedContentRenderer
-from pyams_skin.layer import IPyAMSLayer
-
-# import packages
-from pyams_content.features.renderer.skin import BaseContentRenderer
-from pyams_utils.adapter import adapter_config
-
-
-@adapter_config(name='paragraphs-render', context=(IParagraphContainerTarget, IPyAMSLayer),
-                provides=ISharedContentRenderer)
-class ParagraphsContainerRenderer(BaseContentRenderer):
-    """Paragraphs container renderer"""
-
-    weight = 10
-
-    def __init__(self, context, request):
-        super(ParagraphsContainerRenderer, self).__init__(context, request)
-        paragraphs = [para for para in IParagraphContainer(self.context).values()
-                      if para.visible]
-        registry = self.request.registry
-        self.renderers = [registry.queryMultiAdapter((paragraph, self.request), IParagraphRenderer)
-                          for paragraph in paragraphs]
-
-    def update(self):
-        super(ParagraphsContainerRenderer, self).update()
-        for renderer in self.renderers:
-            if renderer is not None:
-                renderer.language = self.language
-                renderer.update()
-
-    def render(self):
-        result = ''
-        for renderer in self.renderers:
-            if renderer is not None:
-                result += renderer.render()
-        return result