diff -r 25da1e5c7c50 -r 1527b012802f entity.py
--- a/entity.py	Tue Jul 24 10:16:25 2012 +0200
+++ b/entity.py	Tue Jul 24 11:19:16 2012 +0200
@@ -562,6 +562,7 @@
         for key in self._cw.get_shared_data('%s.dont-cache-attrs' % self.eid,
                                             default=(), txdata=True, pop=True):
             attrcache.pop(key, None)
+            self.cw_attr_cache.pop(key, None)
         self.cw_attr_cache.update(attrcache)
 
     def _cw_dont_cache_attribute(self, attr):