diff --git a/addons/mrp/models/product.py b/addons/mrp/models/product.py
index 5b90007c7ec..bc2bb215f37 100644
--- a/addons/mrp/models/product.py
+++ b/addons/mrp/models/product.py
@@ -62,7 +62,6 @@ class ProductTemplate(models.Model):
          - 'qty_available'
          - 'incoming_qty'
          - 'outgoing_qty'
-         - 'free_qty'
         """
         product_without_bom = self.browse([])
         for product_template in self: