diff --git a/install-dev/upgrade/sql/1.5.4.1.sql b/install-dev/upgrade/sql/1.5.4.1.sql
index ea631f817..bafe06191 100644
--- a/install-dev/upgrade/sql/1.5.4.1.sql
+++ b/install-dev/upgrade/sql/1.5.4.1.sql
@@ -1,3 +1,7 @@
 SET NAMES 'utf8';
 
-ALTER TABLE  `PREFIX_carrier` CHANGE  `max_weight`  `max_weight` DECIMAL( 20, 6 ) NULL DEFAULT  '0';
\ No newline at end of file
+ALTER TABLE  `PREFIX_carrier` CHANGE  `max_weight`  `max_weight` DECIMAL( 20, 6 ) NULL DEFAULT  '0';
+
+DELETE ms.*, hm.* FROM `PREFIX_module_shop` ms INNER JOIN `PREFIX_hook_module` hm USING (`id_module`) INNER JOIN `PREFIX_module` m USING (`id_module`) WHERE m.`name` LIKE 'backwardcompatibility';
+
+UPDATE `PREFIX_module` SET `active` = 0 WHERE `name` LIKE 'backwardcompatibility';
\ No newline at end of file