diff --git a/include/upgrader/streams/core/f5692e24-4323a6a8.patch.sql b/include/upgrader/streams/core/f5692e24-4323a6a8.patch.sql
index 5d6a5f2b3d3cc7d46f7a4e8cd608b8a652facf7f..39d7cb4698d1aa81e7f3fc2e48b0a7943fe86931 100644
--- a/include/upgrader/streams/core/f5692e24-4323a6a8.patch.sql
+++ b/include/upgrader/streams/core/f5692e24-4323a6a8.patch.sql
@@ -33,9 +33,6 @@ CREATE TABLE `%TABLE_PREFIX%email_account` (
   PRIMARY KEY (`id`)
 ) DEFAULT CHARSET=utf8;
 
-ALTER TABLE `%TABLE_PREFIX%ticket_thread`
-  ADD `format` varchar(16) NOT NULL default 'html' AFTER `body`;
-
 ALTER TABLE `%TABLE_PREFIX%faq_category`
   CHANGE `created` `created` datetime NOT NULL,
   CHANGE `updated` `updated` datetime NOT NULL;