Update production_order.js
diff --git a/erpnext/manufacturing/doctype/production_order/production_order.js b/erpnext/manufacturing/doctype/production_order/production_order.js
index 880b52e..b2f3212 100644
--- a/erpnext/manufacturing/doctype/production_order/production_order.js
+++ b/erpnext/manufacturing/doctype/production_order/production_order.js
@@ -90,9 +90,7 @@
 
 		// formatter for production order operation
 		frm.set_indicator_formatter('operation',
-			function(doc) { return (frm.doc.qty==doc.completed_qty) ? "green" : "orange" })
-
-		erpnext.production_order.set_custom_buttons(frm);
+			function(doc) { return (frm.doc.qty==doc.completed_qty) ? "green" : "orange" });
 	},
 	
 	refresh: function(frm) {
@@ -381,4 +379,4 @@
 			}
 		})
 	}
-}
\ No newline at end of file
+}