diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 6925ed12aa..b17f209584 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -578,7 +578,7 @@ class BOM(WebsiteGenerator):
 			for d in self.operations:
 				if not d.description:
 					d.description = frappe.db.get_value('Operation', d.operation, 'description')
-				if not d.is_batch_operation:
+				if not d.batch_size > 0:
 					d.batch_size = 1
 
 def get_list_context(context):
diff --git a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
index 298d097f33..fcce588685 100644
--- a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
+++ b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
@@ -11,7 +11,6 @@
   "col_break1",
   "hour_rate",
   "time_in_mins",
-  "is_batch_operation",
   "batch_size",
   "operating_cost",
   "base_hour_rate",
@@ -100,15 +99,8 @@
    "fieldtype": "Attach",
    "label": "Image"
   },
-  {
-   "default": "0",
-   "fieldname": "is_batch_operation",
-   "fieldtype": "Check",
-   "label": "Is Batch Operation"
-  },
   {
    "default": "1",
-   "depends_on": "eval:doc.is_batch_operation==1;",
    "fieldname": "batch_size",
    "fieldtype": "Int",
    "label": "Batch Size"
@@ -116,8 +108,8 @@
  ],
  "idx": 1,
  "istable": 1,
- "modified": "2019-06-29 03:35:32.213562",
- "modified_by": "Administrator",
+ "modified": "2019-07-14 22:35:55.374037",
+ "modified_by": "govindsmenokee@gmail.com",
  "module": "Manufacturing",
  "name": "BOM Operation",
  "owner": "Administrator",
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 24eb4e63ae..a3309febe0 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -350,10 +350,7 @@ class WorkOrder(Document):
 		bom_qty = frappe.db.get_value("BOM", self.bom_no, "quantity")
 
 		for d in self.get("operations"):
-			if d.is_batch_operation:
-				d.time_in_mins = flt(d.time_in_mins) / flt(bom_qty) * math.ceil(flt(self.qty)/flt(d.batch_size))
-			else:
-				d.time_in_mins = flt(d.time_in_mins) / flt(bom_qty) * flt(self.qty)
+			d.time_in_mins = flt(d.time_in_mins) / flt(bom_qty) * math.ceil(flt(self.qty) / flt(d.batch_size))
 
 		self.calculate_operating_cost()