diff --git a/frappe/model/base_document.py b/frappe/model/base_document.py
index b236bce1f3..186ef52c12 100644
--- a/frappe/model/base_document.py
+++ b/frappe/model/base_document.py
@@ -241,7 +241,6 @@ class BaseDocument(object):
 				raise AttributeError(key)
 
 			value = get_controller(value["doctype"])(value)
-			value.init_valid_columns()
 
 		value.parent = self.name
 		value.parenttype = self.doctype