diff -r a009a31fb1ea -r 59a79300f213 server/sources/storages.py
--- a/server/sources/storages.py	Fri Jun 13 15:56:08 2014 +0200
+++ b/server/sources/storages.py	Tue Jun 10 18:17:07 2014 +0200
@@ -152,7 +152,6 @@
         """an entity using this storage for attr has been added"""
         if entity._cw.transaction_data.get('fs_importing'):
             binary = Binary.from_file(entity.cw_edited[attr].getvalue())
-            entity._cw_dont_cache_attribute(attr)
         else:
             binary = entity.cw_edited.pop(attr)
             fpath = self.new_fs_path(entity, attr)
@@ -171,7 +170,6 @@
             # We do not need to create it but we need to fetch the content of
             # the file as the actual content of the attribute
             fpath = entity.cw_edited[attr].getvalue()
-            entity._cw_dont_cache_attribute(attr)
             assert fpath is not None
             binary = Binary.from_file(fpath)
         else: