diff --git a/mysql/tables/llx_contrat.key.sql b/mysql/tables/llx_contrat.key.sql
index f78fcf44b0a..e1a0e6dadf7 100644
--- a/mysql/tables/llx_contrat.key.sql
+++ b/mysql/tables/llx_contrat.key.sql
@@ -30,7 +30,4 @@ ALTER TABLE llx_contrat ADD INDEX idx_contrat_fk_soc (fk_soc);
 ALTER TABLE llx_contrat ADD INDEX idx_contrat_fk_user_author (fk_user_author);
 
 ALTER TABLE llx_contrat ADD FOREIGN KEY (fk_soc) REFERENCES llx_societe (idp);
-ALTER TABLE llx_contrat ADD FOREIGN KEY (fk_user_author) REFERENCES llx_user (rowid);
-
-ALTER TABLE llx_contrat ADD INDEX idx_contrat_fk_product (fk_product);
-ALTER TABLE llx_contrat ADD FOREIGN KEY (fk_product) REFERENCES llx_product (rowid);
+ALTER TABLE llx_contrat ADD FOREIGN KEY (fk_user_author) REFERENCES llx_user (rowid);
\ No newline at end of file
diff --git a/mysql/tables/llx_contrat.sql b/mysql/tables/llx_contrat.sql
index c87a365418c..e9570f4521d 100644
--- a/mysql/tables/llx_contrat.sql
+++ b/mysql/tables/llx_contrat.sql
@@ -37,8 +37,7 @@ create table llx_contrat
   fk_commercial_suivi     integer NOT NULL,
   fk_user_author          integer NOT NULL default 0,
   fk_user_mise_en_service integer,
-  fk_user_cloture integer,
-  fk_product integer
+  fk_user_cloture integer
 
 )type=innodb;