diff -r 058bb3dc685f -r 0b59724cb3f2 misc/migration/3.13.8_Any.py
--- a/misc/migration/3.13.8_Any.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-change_attribute_type('CWCache', 'timestamp', 'TZDatetime')
-change_attribute_type('CWUser', 'last_login_time', 'TZDatetime')
-change_attribute_type('CWSource', 'latest_retrieval', 'TZDatetime')
-drop_attribute('CWSource', 'synchronizing')
-add_attribute('CWSource', 'in_synchronization')