diff --git a/product/ERP5Form/Form.py b/product/ERP5Form/Form.py
index e0d3b8ec5ee5ebd234aa4e26836cd9b465eb819c..a0ab2b572be35084bffb44a9d352ee90cbdc0241 100644
--- a/product/ERP5Form/Form.py
+++ b/product/ERP5Form/Form.py
@@ -130,13 +130,6 @@ class StaticValue:
       value = value.__of__(field)
       #value=value() # Mising call ??? XXX Make sure compatible with listbox methods
 
-    if id == 'default':
-      # We make sure we convert values to empty strings
-      # for most fields (so that we do not get a 'value'
-      # message on screen)
-      # This can be overriden by using TALES in the field
-      if value is None: value = ''
-
     return value
 
 class TALESValue(StaticValue):