diff -r 4a23058e4d9f -r b36bc18f6ef7 misc/migration/3.19.0_Any.py
--- a/misc/migration/3.19.0_Any.py	Mon Apr 28 12:54:14 2014 +0200
+++ b/misc/migration/3.19.0_Any.py	Mon Apr 28 11:20:26 2014 +0200
@@ -1,4 +1,3 @@
 sql('DROP TABLE "deleted_entities"')
-sql('ALTER TABLE "entities" DROP COLUMN "mtime"')
-sql('ALTER TABLE "entities" DROP COLUMN "source"')
 
+commit()