diff --git a/mysql/drop.sql b/mysql/drop.sql
index 92729cad0a0..54fb40ae683 100644
--- a/mysql/drop.sql
+++ b/mysql/drop.sql
@@ -24,6 +24,10 @@ drop table if exists llx_product_stock;
 drop table if exists llx_stock;
 drop table if exists llx_stock_mouvement;
 
+drop table if exists llx_co_pr;
+drop table if exists llx_commande;
+drop table if exists llx_commandedet;
+
 drop table if exists c_actioncomm;
 
 drop table if exists c_chargesociales;