diff --git a/mysql/data/data.sql b/mysql/data/data.sql
index 382545c8769..d1d756b0c32 100644
--- a/mysql/data/data.sql
+++ b/mysql/data/data.sql
@@ -52,8 +52,6 @@ insert into llx_const (name, value, type, note, visible) values ('MAIN_UPLOAD_DO
 insert into llx_const (name, value, type, note, visible) values ('MAIN_NOT_INSTALLED','1','chaine','Test d\'installation',1);
 insert into llx_const (name, value, type, note, visible) values ('MAIN_MAIL_FROM','dolibarr-robot@domain.com','chaine','EMail emetteur pour les notifications automatiques Dolibarr',1);
 
-insert into llx_const (name, value, type, note, visible) values ('MAIN_START_YEAR','2004','chaine','Année de départ',1);
-
 insert into llx_const (name, value, type, note, visible) values ('MAIN_TITLE','Dolibarr','chaine','Titre des pages',1);
 insert into llx_const (name, value, type, note, visible) values ('MAIN_DEBUG','1','yesno','Debug ..',1);
 
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 87c99b17bd8..833e1a3b546 100644
--- a/mysql/migration/1.1.0-1.2.0-RC1.sql
+++ b/mysql/migration/1.1.0-1.2.0-RC1.sql
@@ -6,6 +6,7 @@
 -- ;
 
 delete from llx_const where name like '%_OUTPUT_URL';
+delete from llx_const where name like 'MAIN_START_YEAR';
 
 alter table llx_boxes add box_order smallint default 0 NOT NULL;