diff --git a/product/ERP5Type/Accessor/Accessor.py b/product/ERP5Type/Accessor/Accessor.py
index cf7d279b63de1ab14b13dca913fc16efe66e9406..7093a6458cd5eae588b8d5589dfe7bcb2eba9c69 100644
--- a/product/ERP5Type/Accessor/Accessor.py
+++ b/product/ERP5Type/Accessor/Accessor.py
@@ -65,16 +65,3 @@ class Accessor(Method):
       # Returns a reindexing alias
       from Alias import ReindexAlias
       return ReindexAlias(id, self.__name__)
-
-try:
-    from ZODB.Transaction import Transaction
-    # Zope 2.7 do not patch
-except ImportError:
-    # Zope 2.8, patch
-    class __roles__:
-      @staticmethod
-      def rolesForPermissionOn(ob):
-        return getattr(ob.im_self, '%s__roles__' % ob.__name__)
-
-    Accessor.__roles__ = __roles__
-    
diff --git a/product/ERP5Type/tests/testERP5Type.py b/product/ERP5Type/tests/testERP5Type.py
index 6e8180abc23a33bb94ac8e6beaddc75df111a305..3867861a7ce74bda4434dd97f8d79d99a5787007 100644
--- a/product/ERP5Type/tests/testERP5Type.py
+++ b/product/ERP5Type/tests/testERP5Type.py
@@ -2095,136 +2095,6 @@ class TestPropertySheet:
       finally:
         removeZODBPythonScript(script_container, script_id)
 
-    def test_DefaultSecurityOnAccessors(self):
-      # Test accessors are protected correctly
-      try:
-        from ZODB.Transaction import Transaction
-        return
-        # Zope 2.7 do not test
-      except ImportError:
-        pass
-
-      self._addProperty('Person',
-                  ''' { 'id':         'foo_bar',
-                        'type':       'string',
-                        'mode':       'w', }''')
-      obj = self.getPersonModule().newContent(portal_type='Person')
-
-      self.assertTrue(guarded_hasattr(obj, 'setFooBar'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBar'))
-      
-      # setter is protected by default with modify portal content
-      obj.manage_permission(Permissions.ModifyPortalContent, [], 0)
-      self.assertFalse(guarded_hasattr(obj, 'setFooBar'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBar'))
-      
-      # getter is protected with Access content information
-      obj.manage_permission(Permissions.ModifyPortalContent, ['Manager'], 1)
-      obj.manage_permission(Permissions.AccessContentsInformation, [], 0)
-      self.assertTrue(guarded_hasattr(obj, 'setFooBar'))
-      self.assertFalse(guarded_hasattr(obj, 'getFooBar'))
-
-    def test_DefaultSecurityOnListAccessors(self):
-      try:
-        from ZODB.Transaction import Transaction
-        return
-        # Zope 2.7 do not test
-      except ImportError:
-        pass
-
-      # Test list accessors are protected correctly
-      self._addProperty('Person',
-                  ''' { 'id':         'foo_bar',
-                        'type':       'lines',
-                        'mode':       'w', }''')
-      obj = self.getPersonModule().newContent(portal_type='Person')
-      self.assertTrue(guarded_hasattr(obj, 'setFooBarList'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBarList'))
-      
-      # setter is protected by default with modify portal content
-      obj.manage_permission(Permissions.ModifyPortalContent, [], 0)
-      self.assertFalse(guarded_hasattr(obj, 'setFooBarList'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBarList'))
-      
-      # getter is protected with Access content information
-      obj.manage_permission(Permissions.ModifyPortalContent, ['Manager'], 1)
-      obj.manage_permission(Permissions.AccessContentsInformation, [], 0)
-      self.assertTrue(guarded_hasattr(obj, 'setFooBarList'))
-      self.assertFalse(guarded_hasattr(obj, 'getFooBarList'))
-
-    def test_DefaultSecurityOnCategoryAccessors(self):
-      try:
-        from ZODB.Transaction import Transaction
-        return
-        # Zope 2.7 do not test
-      except ImportError:
-        pass
-
-      # Test category accessors are protected correctly
-      obj = self.getPersonModule().newContent(portal_type='Person')
-      self.assertTrue(guarded_hasattr(obj, 'setRegion'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionValue'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionList'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionValueList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegion'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionValue'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionValueList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionRelatedValueList'))
-      
-      # setter is protected by default with modify portal content
-      obj.manage_permission(Permissions.ModifyPortalContent, [], 0)
-      self.assertFalse(guarded_hasattr(obj, 'setRegion'))
-      self.assertFalse(guarded_hasattr(obj, 'setRegionValue'))
-      self.assertFalse(guarded_hasattr(obj, 'setRegionList'))
-      self.assertFalse(guarded_hasattr(obj, 'setRegionValueList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegion'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionValue'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionValueList'))
-      self.assertTrue(guarded_hasattr(obj, 'getRegionRelatedValueList'))
-      
-      # getter is protected with Access content information
-      obj.manage_permission(Permissions.ModifyPortalContent, ['Manager'], 1)
-      obj.manage_permission(Permissions.AccessContentsInformation, [], 0)
-      self.assertTrue(guarded_hasattr(obj, 'setRegion'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionValue'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionList'))
-      self.assertTrue(guarded_hasattr(obj, 'setRegionValueList'))
-      self.assertFalse(guarded_hasattr(obj, 'getRegion'))
-      self.assertFalse(guarded_hasattr(obj, 'getRegionValue'))
-      self.assertFalse(guarded_hasattr(obj, 'getRegionList'))
-      self.assertFalse(guarded_hasattr(obj, 'getRegionValueList'))
-      self.assertFalse(guarded_hasattr(obj, 'getRegionRelatedValueList'))
-
-    def test_PropertySheetSecurityOnAccessors(self):
-      try:
-        from ZODB.Transaction import Transaction
-        return
-        # Zope 2.7 do not test
-      except ImportError:
-        pass
-
-      # Test accessors are protected correctly when you specify the permission
-      # in the property sheet.
-      self._addProperty('Person',
-                  ''' { 'id':         'foo_bar',
-                        'write_permission' : 'Set own password',
-                        'read_permission'  : 'Manage users',
-                        'type':       'string',
-                        'mode':       'w', }''')
-      obj = self.getPersonModule().newContent(portal_type='Person')
-      self.assertTrue(guarded_hasattr(obj, 'setFooBar'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBar'))
-      
-      obj.manage_permission('Set own password', [], 0)
-      self.assertFalse(guarded_hasattr(obj, 'setFooBar'))
-      self.assertTrue(guarded_hasattr(obj, 'getFooBar'))
-      
-      obj.manage_permission('Set own password', ['Manager'], 1)
-      obj.manage_permission('Manage users', [], 0)
-      self.assertTrue(guarded_hasattr(obj, 'setFooBar'))
-      self.assertFalse(guarded_hasattr(obj, 'getFooBar'))
 
 def test_suite():
   suite = unittest.TestSuite()