diff --git a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
index 8cf96a149d7..1ac6afd15b1 100644
--- a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
+++ b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
@@ -2194,25 +2194,6 @@ def update_serial_batch_no_ledgers(bundle, entries, child_row, parent_doc, wareh
 	return doc
 
 
-@frappe.whitelist()
-def update_serial_or_batch(bundle_id, serial_no=None, batch_no=None):
-	if batch_no and not serial_no:
-		if qty := frappe.db.get_value(
-			"Serial and Batch Entry", {"parent": bundle_id, "batch_no": batch_no}, "qty"
-		):
-			frappe.db.set_value(
-				"Serial and Batch Entry", {"parent": bundle_id, "batch_no": batch_no}, "qty", qty + 1
-			)
-			return
-
-	doc = frappe.get_cached_doc("Serial and Batch Bundle", bundle_id)
-	if not serial_no and not batch_no:
-		return
-
-	doc.append("entries", {"serial_no": serial_no, "batch_no": batch_no, "qty": 1})
-	doc.save(ignore_permissions=True)
-
-
 def get_serial_and_batch_ledger(**kwargs):
 	kwargs = frappe._dict(kwargs)