diff --git a/html/admin/sql/patch/upgrade31.sql b/html/admin/sql/patch/upgrade31.sql
index 908862e47..d403027fb 100644
--- a/html/admin/sql/patch/upgrade31.sql
+++ b/html/admin/sql/patch/upgrade31.sql
@@ -364,10 +364,6 @@ INSERT INTO parameter VALUES ('MY_ANALYTIC', 'nu');
 
 alter table jrn add constraint ux_internal unique (jr_internal);
 
-/*alter table quant_sold add constraint fk_internal foreign key (qs_internal) references jrn (jr_internal) on delete cascade on update cascade;
-
-alter table quant_purchase add constraint fk_internal foreign key (qp_internal) references jrn (jr_internal) on delete cascade on update cascade;
-*/
 alter table user_sec_jrn add constraint uj_priv_id_fkey foreign key(uj_jrn_id) references jrn_def(jrn_def_id) on update cascade on delete cascade;
 alter table user_sec_jrn drop constraint "$1";
 alter table operation_analytique add oa_row int4;