initBTrees does not need to be exposed

product/ERP5Type/Core/Folder.py

@@ -667,13 +667,6 @@ class Folder(CopyContainer, CMFBTreeFolder, CMFHBTreeFolder, Base, FolderMixIn):
     else:
       return CMFBTreeFolder._initBTrees(self)
 
-  def initBTrees(self):
-    """ """
-    if self._folder_handler == HBTREE_HANDLER:
-      return CMFHBTreeFolder.initBTrees(self)
-    else:
-      return CMFBTreeFolder.initBTrees(self)
-
   def hashId(self, id):
     """Return a hash of id
     """    

product/HBTreeFolder2/HBTreeFolder2.py

@@ -166,10 +166,6 @@ class HBTreeFolder2Base (Persistent):
         self._count = Length()
         self._tree_list = PersistentMapping()
 
-    def initBTrees(self):
-        """ """
-        return self._initBTrees()
-
     def _populateFromFolder(self, source):
         """Fill this folder with the contents of another folder.
         """