diff --git a/mysql/migration/1.1.0-1.2.0-RC1.sql b/mysql/migration/1.1.0-1.2.0-RC1.sql
index 175c9f014fd..bc824c812af 100644
--- a/mysql/migration/1.1.0-1.2.0-RC1.sql
+++ b/mysql/migration/1.1.0-1.2.0-RC1.sql
@@ -5,6 +5,7 @@
 -- sans AUCUNE erreur ni warning
 -- ;
 
+DELETE from llx_const where name like '%_OUTPUT_URL';
 
 alter table llx_boxes add box_order smallint default 0 NOT NULL;