diff --git a/product/ERP5/DeliverySolver/FIFO.py b/product/ERP5/DeliverySolver/FIFO.py
index aa24e652590d67584720a7e1dc8dfddff33b2533..e5e40682aaf26c786cf946d7efcacd6cb8ee2497 100644
--- a/product/ERP5/DeliverySolver/FIFO.py
+++ b/product/ERP5/DeliverySolver/FIFO.py
@@ -63,9 +63,6 @@ class FIFO(DeliverySolver):
     """
     result = []
     simulation_movement_list = self._getSimulationMovementList()
-    if len(simulation_movement_list):
-      simulation_movement_list.sort(
-        key=lambda x:x.getExplainationValue().getStartDate(), reverse=True)
     remaining_quantity = self.getTotalQuantity() - new_quantity
     for movement in simulation_movement_list:
       if remaining_quantity: