Index: webform.install
===================================================================
--- webform.install	(revision 293)
+++ webform.install	(working copy)
@@ -37,7 +37,6 @@
         'description' => t('The title of the submit button on the form.'),
         'type' => 'varchar',
         'length' => 255,
-        'default' => NULL,
       ),
       'submit_limit' => array(
         'description' => t('The number of submissions a single user is allowed to submit within an interval. -1 is unlimited.'),
@@ -56,25 +55,21 @@
         'description' => t('The primary e-mail address for receiving submission results.'),
         'type' => 'varchar',
         'length' => 255,
-        'default' => NULL,
       ),
       'email_from_name' => array(
         'description' => t('The name of the sender in sent submission e-mails.'),
         'type' => 'varchar',
         'length' => 255,
-        'default' => NULL,
       ),
       'email_from_address' => array(
         'description' => t('The address of the sender in sent submission e-mails.'),
         'type' => 'varchar',
         'length' => 255,
-        'default' => NULL,
       ),
       'email_subject' => array(
         'description' => t('The subject of sent submission e-mails'),
         'type' => 'varchar',
         'length' => 255,
-        'default' =>  NULL,
       ),
       'additional_validate' => array(
         'description' => t('PHP code for additional functionality when validating a form.'),
@@ -120,19 +115,16 @@
         'description' => t('When the form is displayed and processed, this key can be used to reference the results.'),
         'type' => 'varchar',
         'length' => 128,
-        'default' => NULL,
       ),
       'name' => array(
         'description' => t('The label for this component.'),
         'type' => 'varchar',
         'length' => 255,
-        'default' => NULL,
       ),
       'type' => array(
         'description' => t('The field type of this component (textfield, select, hidden, etc.).'),
         'type' => 'varchar',
         'length' => 16,
-        'default' => NULL,
       ),
       'value' => array(
         'description' => t('The default value of the component when displayed to the end-user.'),