diff --git a/patches/february_2013/p03_material_request.py b/patches/february_2013/p03_material_request.py
index 66b2bf6..f0373bd 100644
--- a/patches/february_2013/p03_material_request.py
+++ b/patches/february_2013/p03_material_request.py
@@ -23,3 +23,7 @@
 	os.system("rm -rf app/hr/doctype/holiday_block_list_allow")
 	os.system("rm -rf app/hr/doctype/holiday_block_list_date")
 	
+	for dt in ("Purchase Request", "Purchase Request Item"):
+		if webnotes.conn.exists("DocType", dt):
+			webnotes.delete_doc("DocType", dt)
+		
\ No newline at end of file