diff --git a/erpnext/patches/v12_0/update_sales_invoice_remarks.py b/erpnext/patches/v12_0/update_sales_invoice_remarks.py
deleted file mode 100644
index 7e8feaa..0000000
--- a/erpnext/patches/v12_0/update_sales_invoice_remarks.py
+++ /dev/null
@@ -1,32 +0,0 @@
-from __future__ import unicode_literals
-import frappe
-
-from frappe import _
-from frappe.utils import formatdate
-
-def execute():
-    si_list = frappe.db.get_all('Sales Invoice', filters = {
-        'docstatus': 1,
-        'remarks': 'No Remarks',
-        'po_no' : ['!=', ''],
-        'po_date' : ['!=', '']
-        }, 
-        fields = ['name', 'po_no', 'po_date']
-    )
-
-    for doc in si_list:
-        remarks = _("Against Customer Order {0} dated {1}").format(doc.po_no, 
-					formatdate(doc.po_date))
-
-        frappe.db.set_value('Sales Invoice', doc.name, 'remarks', remarks)
-
-        gl_entry_list = frappe.db.get_all('GL Entry', filters = {
-            'voucher_type': 'Sales Invoice',
-            'remarks': 'No Remarks',
-            'voucher_no' : doc.name
-            },
-            fields = ['name']
-        )
-
-        for entry in gl_entry_list:
-            frappe.db.set_value('GL Entry', entry.name, 'remarks', remarks)
\ No newline at end of file