diff --git a/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt b/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
index fd73c879ff8..8c20d4cd676 100755
--- a/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
+++ b/stock/doctype/purchase_receipt_item/purchase_receipt_item.txt
@@ -2,7 +2,7 @@
  {
   "creation": "2013-02-07 08:28:23", 
   "docstatus": 0, 
-  "modified": "2013-02-08 14:06:15", 
+  "modified": "2013-02-11 08:13:11", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -385,6 +385,7 @@
   "hidden": 1, 
   "in_filter": 0, 
   "label": "Raw Materials Supplied Cost", 
+  "no_copy": 1, 
   "oldfieldname": "rm_supp_cost", 
   "oldfieldtype": "Currency", 
   "options": "Company:company:default_currency", 
diff --git a/website/helpers/product.py b/website/helpers/product.py
index 2685d10ed8c..ef433b1a29d 100644
--- a/website/helpers/product.py
+++ b/website/helpers/product.py
@@ -28,9 +28,7 @@ def get_product_info(item_code):
 	}
 
 @webnotes.whitelist(allow_guest=True)
-def get_product_list(search=None, product_group=None, start=0, limit=10):
-	# DOUBT: why is product_group param passed?
-	
+def get_product_list(search=None, start=0, limit=10):
 	# base query
 	query = """select name, item_name, page_name, website_image, item_group, 
 			web_long_description as website_description
@@ -47,7 +45,6 @@ def get_product_list(search=None, product_group=None, start=0, limit=10):
 
 	data = webnotes.conn.sql(query, {
 		"search": search,
-		"product_group": product_group
 	}, as_dict=1)
 	
 	return [get_item_for_list_in_html(r) for r in data]