Index: plugins/views_data_export_plugin_display_export.inc
===================================================================
--- plugins/views_data_export_plugin_display_export.inc	(revision 1216)
+++ plugins/views_data_export_plugin_display_export.inc	(working copy)
@@ -152,13 +152,23 @@
       case 'cache':
         // We're basically going to disable using cache plugins, by disabling
         // the UI.
+        if (isset($form['override'])) {
+          // remove all override options except 'this display', and set the default value.  
+          foreach ($form['override']['dropdown']['#options'] as $id => $v) {
+            if (!strstr($form['#section'], $id)) { // e.g., strstr('xls_export-cache', 'xls-export')
+              unset($form['override']['dropdown']['#options'][$id]);
+              $form['override']['dropdown']['#default_value'] = $id; 
+            }
+          }
+        }
         if (isset($form['cache']['type']['#options'])) {
           foreach ($form['cache']['type']['#options'] as $id => $v) {
             if ($id != 'none') {
               unset($form['cache']['type']['#options'][$id]);
             }
-            $form['cache']['type']['#description'] = t("Views data export isn't currently compatible with caching plugins.");
           }
+          $form['cache']['type']['#default_value'] = 'none';
+          $form['cache']['type']['#description'] = t("Views data export isn't currently compatible with caching plugins.");
         }
         break;