diff --git a/odoo/models.py b/odoo/models.py
index 2f4e5da1b53..3e306a49e03 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -1930,7 +1930,6 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
 
         self._apply_ir_rules(query, 'read')
         for gb in groupby_fields:
-            assert gb in fields, "Fields in 'groupby' must appear in the list of fields to read (perhaps it's missing in the list view?)"
             assert gb in self._fields, "Unknown field %r in 'groupby'" % gb
             gb_field = self._fields[gb].base_field
             assert gb_field.store and gb_field.column_type, "Fields in 'groupby' must be regular database-persisted fields (no function or related fields), or function fields with store=True"