diff --git a/product/ERP5Form/ListBox.py b/product/ERP5Form/ListBox.py
index dc6aa01d8eaf84305573c0ddf95deb082c4b7b91..abf713e26cae16b9f23c719a97ab8b35787431dc 100644
--- a/product/ERP5Form/ListBox.py
+++ b/product/ERP5Form/ListBox.py
@@ -2943,14 +2943,6 @@ class ListBoxLine:
       Returns the property of a column
     """
     return self.column_dict[column_id]
-  
-  
-  security.declarePublic('getColumnPropertyTypeName')
-  def getColumnPropertyTypeName(self, column_id):
-    """
-      Returns the property type of a column
-    """
-    return self.column_dict[column_id].__class__.__name__
 
   security.declarePublic('getColumnPropertyList')
   def getColumnPropertyList(self, column_id_list = None):