--- switchtheme-6.x-1.1/switchtheme.module	2008-11-02 07:32:56.000000000 -0600
+++ switchtheme/switchtheme.module	2010-08-15 03:58:38.000000000 -0500
@@ -214,7 +214,10 @@
   $options = switchtheme_options();
 
   foreach ($options as $option) {
-    $select[$option] = variable_get('switchtheme_'. $option, drupal_ucfirst($option));
+    $switcher_name = variable_get('switchtheme_'. $option, drupal_ucfirst($option));
+    if($switcher_name != '<none>') {
+	  $select[$option] = $switcher_name;
+    }
   }
   asort($select);
   return $select;