diff --git a/erpnext/manufacturing/doctype/job_card/job_card.js b/erpnext/manufacturing/doctype/job_card/job_card.js
index b6538d4d4d3..bea0bc914c6 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.js
+++ b/erpnext/manufacturing/doctype/job_card/job_card.js
@@ -172,8 +172,6 @@ frappe.ui.form.on("Job Card", {
 			},
 		}));
 
-		frm.trigger("toggle_operation_number");
-
 		const is_timer_running = frm.events.setup_job_action_buttons(frm, has_items);
 
 		if (!is_timer_running) {
@@ -498,8 +496,6 @@ frappe.ui.form.on("Job Card", {
 	},
 
 	operation(frm) {
-		frm.trigger("toggle_operation_number");
-
 		if (frm.doc.operation && frm.doc.work_order) {
 			frappe.call({
 				method: "erpnext.manufacturing.doctype.job_card.job_card.get_operation_details",
@@ -508,37 +504,14 @@ frappe.ui.form.on("Job Card", {
 					operation: frm.doc.operation,
 				},
 				callback(r) {
-					if (!r.message) return;
-
-					if (r.message.length == 1) {
+					if (r.message && r.message.length == 1) {
 						frm.set_value("operation_id", r.message[0].name);
-					} else {
-						const args = r.message.map((row) => ({ label: row.idx, value: row.name }));
-						const description = __("Operation {0} added multiple times in the work order {1}", [
-							frm.doc.operation,
-							frm.doc.work_order,
-						]);
-						frm.set_df_property("operation_row_number", "options", args);
-						frm.set_df_property("operation_row_number", "description", description);
 					}
-
-					frm.trigger("toggle_operation_number");
 				},
 			});
 		}
 	},
 
-	operation_row_number(frm) {
-		if (frm.doc.operation_row_number) {
-			frm.set_value("operation_id", frm.doc.operation_row_number);
-		}
-	},
-
-	toggle_operation_number(frm) {
-		frm.toggle_display("operation_row_number", !frm.doc.operation_id && frm.doc.operation);
-		frm.toggle_reqd("operation_row_number", !frm.doc.operation_id && frm.doc.operation);
-	},
-
 	make_time_log(frm, args) {
 		frm.events.update_sub_operation(frm, args);
 
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.json b/erpnext/manufacturing/doctype/job_card/job_card.json
index 554e6f2395a..6da36cf6014 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.json
+++ b/erpnext/manufacturing/doctype/job_card/job_card.json
@@ -92,7 +92,6 @@
   "operation_row_id",
   "amended_from",
   "column_break_xhzg",
-  "operation_row_number",
   "operation_id",
   "sequence_id",
   "section_break_jcmx",
@@ -324,11 +323,6 @@
    "label": "Item Name",
    "read_only": 1
   },
-  {
-   "fieldname": "operation_row_number",
-   "fieldtype": "Select",
-   "label": "Operation Row Number"
-  },
   {
    "fieldname": "sequence_id",
    "fieldtype": "Int",
@@ -695,7 +689,7 @@
  "grid_page_length": 50,
  "is_submittable": 1,
  "links": [],
- "modified": "2026-06-20 17:39:42.293242",
+ "modified": "2026-07-23 12:00:00.000000",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Job Card",
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.py b/erpnext/manufacturing/doctype/job_card/job_card.py
index c796ff7877b..d69d8346f1d 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/job_card.py
@@ -45,10 +45,6 @@ class OverlapError(frappe.ValidationError):
 	pass
 
 
-class OperationMismatchError(frappe.ValidationError):
-	pass
-
-
 class OperationSequenceError(frappe.ValidationError):
 	pass
 
@@ -106,7 +102,6 @@ class JobCard(Document):
 		operation: DF.Link
 		operation_id: DF.Data | None
 		operation_row_id: DF.Int
-		operation_row_number: DF.Literal[None]
 		pending_qty: DF.Float
 		posting_date: DF.Date | None
 		process_loss_qty: DF.Float
@@ -168,7 +163,6 @@ class JobCard(Document):
 		self.validate_time_logs()
 		self.validate_on_hold()
 		self.set_status()
-		self.validate_operation_id()
 		self.validate_sequence_id()
 		self.set_sub_operations()
 		self.update_sub_operation_status()
@@ -1344,23 +1338,6 @@ class JobCard(Document):
 		if not self.wip_warehouse:
 			self.wip_warehouse = frappe.get_cached_value("Company", self.company, "default_wip_warehouse")
 
-	def validate_operation_id(self):
-		if (
-			self.get("operation_id")
-			and self.get("operation_row_number")
-			and self.operation
-			and self.work_order
-			and frappe.get_cached_value("Work Order Operation", self.operation_row_number, "name")
-			!= self.operation_id
-		):
-			work_order = bold(get_link_to_form("Work Order", self.work_order))
-			frappe.throw(
-				_("Operation {0} does not belong to the work order {1}").format(
-					bold(self.operation), work_order
-				),
-				OperationMismatchError,
-			)
-
 	@frappe.whitelist()
 	def pause_job(self, **kwargs):
 		frappe.has_permission("Job Card", "write", doc=self, throw=True)
diff --git a/erpnext/manufacturing/doctype/job_card/test_job_card.py b/erpnext/manufacturing/doctype/job_card/test_job_card.py
index 36c653abf7b..9acbe89c34e 100644
--- a/erpnext/manufacturing/doctype/job_card/test_job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/test_job_card.py
@@ -10,7 +10,6 @@ from frappe.utils.data import add_to_date, now, today
 
 from erpnext.manufacturing.doctype.job_card.job_card import (
 	JobCardOverTransferError,
-	OperationMismatchError,
 	OverlapError,
 )
 from erpnext.manufacturing.doctype.job_card.mapper import (
@@ -149,19 +148,6 @@ class TestJobCard(ERPNextTestSuite):
 		)
 		self.assertRaises(frappe.ValidationError, job_card_doc.submit)
 
-	def test_job_card_operations(self):
-		job_cards = frappe.get_all(
-			"Job Card", filters={"work_order": self.work_order.name}, fields=["operation_id", "name"]
-		)
-
-		if job_cards:
-			job_card = job_cards[0]
-			frappe.db.set_value("Job Card", job_card.name, "operation_row_number", job_card.operation_id)
-
-			doc = frappe.get_doc("Job Card", job_card.name)
-			doc.operation_id = "Test Data"
-			self.assertRaises(OperationMismatchError, doc.save)
-
 	def test_job_card_with_different_work_station(self):
 		job_cards = frappe.get_all(
 			"Job Card",