diff --git a/product/ERP5Type/Core/Folder.py b/product/ERP5Type/Core/Folder.py
index 5a2e3e5a541295eb1dfdafdbb8613f5cfb8eab9c..3657e4ebbc500482e8000855e732c775d679991f 100644
--- a/product/ERP5Type/Core/Folder.py
+++ b/product/ERP5Type/Core/Folder.py
@@ -45,7 +45,6 @@ from Products.ERP5Type.WebDAVSupport import Folder as WebDAVFolder
 
 try:
   from Products.CMFCore.CMFBTreeFolder import CMFBTreeFolder
-  from Products.CMFCore.CMFBTreeFolder import CMFBTreeFolder
 except ImportError:
   from Products.BTreeFolder2.CMFBTreeFolder import CMFBTreeFolder