diff --git a/erpnext/buying/doctype/purchase_order/test_purchase_order.py b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
index 728f749..bd7e4e8 100644
--- a/erpnext/buying/doctype/purchase_order/test_purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/test_purchase_order.py
@@ -136,43 +136,6 @@
 		# ordered qty decreases as ordered qty is 0 (deleted row)
 		self.assertEqual(get_ordered_qty(), existing_ordered_qty - 10)  # 0
 
-	def test_supplied_items_validations_on_po_update_after_submit(self):
-		po = create_purchase_order(item_code="_Test FG Item", is_subcontracted=1, qty=5, rate=100)
-		item = po.items[0]
-
-		original_supplied_items = {po.name: po.required_qty for po in po.supplied_items}
-
-		# Just update rate
-		trans_item = [
-			{
-				"item_code": "_Test FG Item",
-				"rate": 20,
-				"qty": 5,
-				"conversion_factor": 1.0,
-				"docname": item.name,
-			}
-		]
-		update_child_qty_rate("Purchase Order", json.dumps(trans_item), po.name)
-		po.reload()
-
-		new_supplied_items = {po.name: po.required_qty for po in po.supplied_items}
-		self.assertEqual(set(original_supplied_items.keys()), set(new_supplied_items.keys()))
-
-		# Update qty to 2x
-		trans_item[0]["qty"] *= 2
-		update_child_qty_rate("Purchase Order", json.dumps(trans_item), po.name)
-		po.reload()
-
-		new_supplied_items = {po.name: po.required_qty for po in po.supplied_items}
-		self.assertEqual(2 * sum(original_supplied_items.values()), sum(new_supplied_items.values()))
-
-		# Set transfer qty and attempt to update qty, shouldn't be allowed
-		po.supplied_items[0].supplied_qty = 2
-		po.supplied_items[0].db_update()
-		trans_item[0]["qty"] *= 2
-		with self.assertRaises(frappe.ValidationError):
-			update_child_qty_rate("Purchase Order", json.dumps(trans_item), po.name)
-
 	def test_update_child(self):
 		mr = make_material_request(qty=10)
 		po = make_purchase_order(mr.name)