diff --git a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
index b57cab5b4eb..35bf589b2f0 100644
--- a/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
+++ b/htdocs/install/mysql/migration/15.0.0-16.0.0.sql
@@ -648,4 +648,5 @@ ALTER TABLE llx_paiement MODIFY COLUMN ext_payment_id varchar(255);
 ALTER TABLE llx_payment_donation MODIFY COLUMN ext_payment_id varchar(255);
 ALTER TABLE llx_prelevement_facture_demande MODIFY COLUMN ext_payment_id varchar(255);
 
+INSERT INTO llx_accounting_system (fk_country, pcg_version, label, active) VALUES (140, 'PCN2020-LUXEMBURG', 'Plan comptable normalisé 2020 Luxembourgeois', 1);
 
diff --git a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql b/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
deleted file mode 100644
index e7c746ffa7e..00000000000
--- a/htdocs/install/mysql/migration/16.0.0-17.0.0.sql
+++ /dev/null
@@ -1,40 +0,0 @@
---
--- Be carefull to requests order.
--- This file must be loaded by calling /install/index.php page
--- when current version is 16.0.0 or higher.
---
--- To restrict request to Mysql version x.y minimum use -- VMYSQLx.y
--- To restrict request to Pgsql version x.y minimum use -- VPGSQLx.y
--- To rename a table:       ALTER TABLE llx_table RENAME TO llx_table_new;
--- To add a column:         ALTER TABLE llx_table ADD COLUMN newcol varchar(60) NOT NULL DEFAULT '0' AFTER existingcol;
--- To rename a column:      ALTER TABLE llx_table CHANGE COLUMN oldname newname varchar(60);
--- To drop a column:        ALTER TABLE llx_table DROP COLUMN oldname;
--- To change type of field: ALTER TABLE llx_table MODIFY COLUMN name varchar(60);
--- To drop a foreign key:   ALTER TABLE llx_table DROP FOREIGN KEY fk_name;
--- To create a unique index ALTER TABLE llx_table ADD UNIQUE INDEX uk_table_field (field);
--- To drop an index:        -- VMYSQL4.1 DROP INDEX nomindex on llx_table;
--- To drop an index:        -- VPGSQL8.2 DROP INDEX nomindex;
--- To make pk to be auto increment (mysql):
--- -- VMYSQL4.3 ALTER TABLE llx_table ADD PRIMARY KEY(rowid);
--- -- VMYSQL4.3 ALTER TABLE llx_table CHANGE COLUMN rowid rowid INTEGER NOT NULL AUTO_INCREMENT;
--- To make pk to be auto increment (postgres):
--- -- VPGSQL8.2 CREATE SEQUENCE llx_table_rowid_seq OWNED BY llx_table.rowid;
--- -- VPGSQL8.2 ALTER TABLE llx_table ADD PRIMARY KEY (rowid);
--- -- VPGSQL8.2 ALTER TABLE llx_table ALTER COLUMN rowid SET DEFAULT nextval('llx_table_rowid_seq');
--- -- VPGSQL8.2 SELECT setval('llx_table_rowid_seq', MAX(rowid)) FROM llx_table;
--- To set a field as NULL:                     -- VMYSQL4.3 ALTER TABLE llx_table MODIFY COLUMN name varchar(60) NULL;
--- To set a field as NULL:                     -- VPGSQL8.2 ALTER TABLE llx_table ALTER COLUMN name DROP NOT NULL;
--- To set a field as NOT NULL:                 -- VMYSQL4.3 ALTER TABLE llx_table MODIFY COLUMN name varchar(60) NOT NULL;
--- To set a field as NOT NULL:                 -- VPGSQL8.2 ALTER TABLE llx_table ALTER COLUMN name SET NOT NULL;
--- To set a field as default NULL:             -- VPGSQL8.2 ALTER TABLE llx_table ALTER COLUMN name SET DEFAULT NULL;
--- Note: fields with type BLOB/TEXT can't have default value.
--- To rebuild sequence for postgresql after insert by forcing id autoincrement fields:
--- -- VPGSQL8.2 SELECT dol_util_rebuild_sequences();
-
-
-
--- Missing in v16 or lower
-
--- v17
-INSERT INTO llx_accounting_system (fk_country, pcg_version, label, active) VALUES (140, 'PCN2020-LUXEMBURG', 'Plan comptable normalisé 2020 Luxembourgeois', 1);
-