Index: src/stock-adjustment-mobile/add-products-page/add-product-page.jsx
===================================================================
diff -u -N -re98f0c8132884e08b48d3ce6705938335f1280ad -r0d6dec097051407a3b7af5a60226106f618bd236
--- src/stock-adjustment-mobile/add-products-page/add-product-page.jsx	(.../add-product-page.jsx)	(revision e98f0c8132884e08b48d3ce6705938335f1280ad)
+++ src/stock-adjustment-mobile/add-products-page/add-product-page.jsx	(.../add-product-page.jsx)	(revision 0d6dec097051407a3b7af5a60226106f618bd236)
@@ -28,7 +28,7 @@
 import BaseField from '../../react-components/form-fields/base-field';
 import DateInput from '../components/date-input.component';
 import Input from '../../react-components/inputs/input';
-import { formatLot, formatDate, formatDateISO, isQuantityNotFilled, maxDateToday } from '../format-utils';
+import { formatLot, formatDate, formatDateISO, isQuantityNotFilled, maxDateToday, removeProperty } from '../format-utils';
 import AddButton from '../../react-components/buttons/add-button';
 import { CREDIT, ISSUE, RECEIVE } from '../consts';
 
@@ -58,7 +58,7 @@
             items: (productVal, itemsVal) => {
                 let newItemsVal = Object.assign({}, itemsVal);
                 if (newItemsVal.items[0].hasOwnProperty('lot')) {
-                    delete newItemsVal.items[0].lot;
+                    newItemsVal.items[0] = removeProperty('lot', newItemsVal.items[0]);
                 }
                 return newItemsVal.items;
             }
Index: src/stock-adjustment-mobile/format-utils.jsx
===================================================================
diff -u -N -r3bb65537bb15684ded22951a91c362f7f7a208d8 -r0d6dec097051407a3b7af5a60226106f618bd236
--- src/stock-adjustment-mobile/format-utils.jsx	(.../format-utils.jsx)	(revision 3bb65537bb15684ded22951a91c362f7f7a208d8)
+++ src/stock-adjustment-mobile/format-utils.jsx	(.../format-utils.jsx)	(revision 0d6dec097051407a3b7af5a60226106f618bd236)
@@ -61,6 +61,8 @@
 
 export const maxDateToday = new Date().toISOString().split("T")[0];
 
+export const removeProperty = (propKey, { [propKey]: propValue, ...rest }) => rest;
+
 export const toastProperties = [
     {
         id: Math.floor((Math.random() * 101) + 1),