diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 5c64213..676e0d1 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -72,3 +72,4 @@
 execute:frappe.delete_doc("DocType", "Payment to Invoice Matching Tool")
 execute:frappe.delete_doc("DocType", "Payment to Invoice Matching Tool Detail")
 execute:frappe.delete_doc("Page", "trial-balance") #2014-07-22
+erpnext.patches.v4_2.delete_old_print_formats
diff --git a/erpnext/patches/v4_2/__init__.py b/erpnext/patches/v4_2/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/patches/v4_2/__init__.py
diff --git a/erpnext/patches/v4_2/delete_old_print_formats.py b/erpnext/patches/v4_2/delete_old_print_formats.py
new file mode 100644
index 0000000..1456f95
--- /dev/null
+++ b/erpnext/patches/v4_2/delete_old_print_formats.py
@@ -0,0 +1,23 @@
+# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	old_formats = ("Sales Invoice", "Sales Invoice Spartan", "Sales Invoice Modern",
+		"Sales Invoice Classic",
+		"Sales Order Spartan", "Sales Order Modern", "Sales Order Classic",
+		"Purchase Order Spartan", "Purchase Order Modern", "Purchase Order Classic",
+		"Quotation Spartan", "Quotation Modern", "Quotation Classic",
+		"Delivery Note Spartan", "Delivery Note Modern", "Delivery Note Classic")
+
+	for fmt in old_formats:
+		# update property setter
+		for ps in frappe.db.sql_list("""select name from `tabProperty Setter`
+			where property_type='default_print_format' and value=%s""", fmt):
+			ps = frappe.get_doc("Property Setter", ps)
+			ps.value = "Standard"
+			ps.save(ignore_permissions = True)
+
+		frappe.delete_doc("Print Format", fmt)