diff --git a/patches/december_2012/production_cleanup.py b/patches/december_2012/production_cleanup.py
index 9065666..b8133a9 100644
--- a/patches/december_2012/production_cleanup.py
+++ b/patches/december_2012/production_cleanup.py
@@ -10,9 +10,8 @@
 	rebuild_exploded_bom()
 	
 def delete_doctypes():
-	from webnotes.model import delete_doc
-	delete_doc("DocType", "Production Control")
-	delete_doc("DocType", "BOM Control")
+	webnotes.delete_doc("DocType", "Production Control")
+	webnotes.delete_doc("DocType", "BOM Control")
 	
 	
 def rename_module():
diff --git a/patches/september_2012/deprecate_account_balance.py b/patches/september_2012/deprecate_account_balance.py
index 1f5ce72..d39f82c 100644
--- a/patches/september_2012/deprecate_account_balance.py
+++ b/patches/september_2012/deprecate_account_balance.py
@@ -3,11 +3,10 @@
 
 from __future__ import unicode_literals
 import webnotes
-from webnotes.model import delete_doc
 
 def execute():
 	# remove doctypes
 	for dt in ["Period", "Account Balance", "Multi Ledger Report", 
 			"Multi Ledger Report Detail", "Period Control", "Reposting Tool", 
 			"Lease Agreement", "Lease Installment"]:
-		delete_doc("DocType", dt)
\ No newline at end of file
+		webnotes.delete_doc("DocType", dt)
\ No newline at end of file