diff --git a/gluon/dal.py b/gluon/dal.py
index 57a04616..28fb664c 100644
--- a/gluon/dal.py
+++ b/gluon/dal.py
@@ -27,17 +27,6 @@ def _default_validators(db, field):
     field_type, field_length = field.type, field.length
     requires = []
 
-    def ff(r, id):
-        row = r(id)
-        if not row:
-            return str(id)
-        elif hasattr(r, '_format') and isinstance(r._format, str):
-            return r._format % row
-        elif hasattr(r, '_format') and callable(r._format):
-            return r._format(row)
-        else:
-            return str(id)
-
     if field_type in (('string', 'text', 'password')):
         requires.append(validators.IS_LENGTH(field_length))
     elif field_type == 'json':
@@ -60,11 +49,6 @@ def _default_validators(db, field):
             field_type.find('.') < 0 and \
             field_type[10:] in db.tables:
         referenced = db[field_type[10:]]
-
-        def repr_ref(id, row=None, r=referenced, f=ff):
-            return f(r, id)
-
-        field.represent = field.represent or repr_ref
         if hasattr(referenced, '_format') and referenced._format:
             requires = validators.IS_IN_DB(db, referenced._id,
                                            referenced._format)
@@ -77,24 +61,6 @@ def _default_validators(db, field):
             field_type.find('.') < 0 and \
             field_type[15:] in db.tables:
         referenced = db[field_type[15:]]
-
-        def list_ref_repr(ids, row=None, r=referenced, f=ff):
-            if not ids:
-                return None
-            from pydal.adapters import GoogleDatastoreAdapter
-            refs = None
-            db, id = r._db, r._id
-            if isinstance(db._adapter, GoogleDatastoreAdapter):
-                def count(values):
-                    return db(id.belongs(values)).select(id)
-                rx = range(0, len(ids), 30)
-                refs = reduce(lambda a, b: a & b, [count(ids[i:i+30])
-                              for i in rx])
-            else:
-                refs = db(id.belongs(ids)).select(id)
-            return (refs and ', '.join(f(r, x.id) for x in refs) or '')
-
-        field.represent = field.represent or list_ref_repr
         if hasattr(referenced, '_format') and referenced._format:
             requires = validators.IS_IN_DB(db, referenced._id,
                                            referenced._format, multiple=True)
@@ -106,12 +72,6 @@ def _default_validators(db, field):
         if not field.notnull:
             requires = validators.IS_EMPTY_OR(requires)
         return requires
-    elif field_type.startswith('list:'):
-        def repr_list(values, row=None):
-            return', '.join(str(v) for v in (values or []))
-
-        field.represent = field.represent or repr_list
-
     if field.unique:
         requires.append(validators.IS_NOT_IN_DB(db, field))
     sff = ['in', 'do', 'da', 'ti', 'de', 'bo']