--- a/entities/adapters.py	Fri Jul 04 14:37:08 2014 +0200
+++ b/entities/adapters.py	Tue Jul 08 10:34:50 2014 +0200
@@ -367,15 +367,3 @@
         globalmsg = _('some relations violate a unicity constraint')
         rtypes_msg['unicity constraint'] = globalmsg
         raise ValidationError(self.entity.eid, rtypes_msg)
-
-# deprecated ###################################################################
-
-
-class adapter_deprecated(view.auto_unwrap_bw_compat):
-    """metaclass to print a warning on instantiation of a deprecated class"""
-
-    def __call__(cls, *args, **kwargs):
-        msg = getattr(cls, "__deprecation_warning__",
-                      "%(cls)s is deprecated") % {'cls': cls.__name__}
-        warn(msg, DeprecationWarning, stacklevel=2)
-        return type.__call__(cls, *args, **kwargs)

--- a/view.py	Fri Jul 04 14:37:08 2014 +0200
+++ b/view.py	Tue Jul 08 10:34:50 2014 +0200
@@ -558,14 +558,6 @@
     __registry__ = 'adapters'
 
 
-class auto_unwrap_bw_compat(type):
-    def __new__(mcs, name, bases, classdict):
-        cls = type.__new__(mcs, name, bases, classdict)
-        if not classdict.get('__needs_bw_compat__'):
-            unwrap_adapter_compat(cls)
-        return cls
-
-
 class EntityAdapter(Adapter):
     """base class for entity adapters (eg adapt an entity to an interface)"""
     def __init__(self, _cw, **kwargs):