diff --git a/business/partner/purchase/mtwm/order.go b/business/partner/purchase/mtwm/order.go
index ce8dd1663..2b76b85eb 100644
--- a/business/partner/purchase/mtwm/order.go
+++ b/business/partner/purchase/mtwm/order.go
@@ -686,9 +686,6 @@ func (p *PurchaseHandler) onNumberDowngrade(msg *mtwmapi.CallbackMsg) (response
 					tasksch.HandleTask(updateTask, task, true).Run()
 					_, err = updateTask.GetResult(0)
 				}
-				userNumberMap = nil
-				courierNumberMap = nil
-				orderMap = nil
 			}
 			return retVal, err
 		}, []int{0, 1, 2})