--- webform.install.old	2010-08-29 23:31:16.000000000 +0200
+++ webform.install	2010-08-29 23:31:35.000000000 +0200
@@ -200,7 +200,6 @@ function webform_schema() {
         'description' => 'A list of components that will not be included in the %email_values token. A list of CIDs separated by commas.',
         'type' => 'text',
         'not null' => TRUE,
-        'default' => '',
       ),
     ),
     'primary key' => array('nid', 'eid'),