--- comment.module	2012-02-01 13:48:38.027465629 +0100
+++ comment.module	2012-01-31 12:12:56.041985152 +0100
@@ -493,6 +493,12 @@
       '#collapsible' => TRUE,
       '#collapsed' => TRUE,
     );
+    $form['comment']['comment_display'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Disable showing comments on the content node'),
+      '#default_value' => variable_get('comment_display_'. $form['#node_type']->type, FALSE),
+      '#description' => t('If the selected comments will not be displayed at the node.'),
+    );
     $form['comment']['comment'] = array(
       '#type' => 'radios',
       '#title' => t('Default comment setting'),