diff --git a/CHANGELOG b/CHANGELOG
index f4e09ebc9d..f4f7f90588 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Remove ids from on_change* calls
 * Improve search on translatable fields
 * export_data return empty value for invisible fields
 * Don't allow to use float in Numeric fields
diff --git a/doc/models.rst b/doc/models.rst
index 48b2d9e77f..ca02024d18 100644
--- a/doc/models.rst
+++ b/doc/models.rst
@@ -425,8 +425,7 @@ be updated with the new value.
           context={'category': (Eval('default_uom'), 'uom.category')},
           on_change_with=['default_uom', 'purchase_uom', 'purchasable'])
 
-      def on_change_with_purchase_uom(self, cursor, user, ids, vals,
-              context=None):
+      def on_change_with_purchase_uom(self, cursor, user, vals, context=None):
           uom_obj = self.pool.get('product.uom')
           res = False
 
diff --git a/trytond/res/request.py b/trytond/res/request.py
index 8297d19aca..d6450e1ef2 100644
--- a/trytond/res/request.py
+++ b/trytond/res/request.py
@@ -86,7 +86,7 @@ class Request(ModelSQL, ModelView):
         self._order.insert(1, ('trigger_date', 'DESC'))
         self._order.insert(2, ('create_date', 'DESC'))
 
-    def on_change_with_number_references(self, cursor, user, ids, vals,
+    def on_change_with_number_references(self, cursor, user, vals,
             context=None):
         if vals.get('references'):
             return len(vals['references'])