--- a/src/pyams_content/shared/blog/__init__.py	Wed Sep 13 09:45:30 2017 +0200
+++ b/src/pyams_content/shared/blog/__init__.py	Wed Sep 13 11:34:26 2017 +0200
@@ -16,8 +16,6 @@
 # import standard library
 
 # import interfaces
-from pyams_content.component.extfile.interfaces import IExtFileContainerTarget
-from pyams_content.component.links.interfaces import ILinkContainerTarget
 from pyams_content.component.paragraph.interfaces import IParagraphContainerTarget
 from pyams_content.component.theme.interfaces import IThemesTarget
 from pyams_content.shared.blog.interfaces import IWfBlogPost, BLOG_CONTENT_TYPE, BLOG_CONTENT_NAME, IBlogPost
@@ -27,7 +25,7 @@
 from zope.interface import implementer
 
 
-@implementer(IWfBlogPost, IParagraphContainerTarget, IThemesTarget, IExtFileContainerTarget, ILinkContainerTarget)
+@implementer(IWfBlogPost, IParagraphContainerTarget, IThemesTarget)
 class WfBlogPost(WfSharedContent):
     """Base blog post"""