diff --git a/src/toolset/ArcanistArcToolset.php b/src/toolset/ArcanistArcToolset.php
index fb3ceff4..5c1cb377 100644
--- a/src/toolset/ArcanistArcToolset.php
+++ b/src/toolset/ArcanistArcToolset.php
@@ -1,26 +1,22 @@
 <?php
 
 final class ArcanistArcToolset extends ArcanistToolset {
 
   const TOOLSETKEY = 'arc';
 
   public function getToolsetArguments() {
     return array(
       array(
         'name' => 'conduit-uri',
         'param' => 'uri',
         'help' => pht('Connect to Phabricator install specified by __uri__.'),
       ),
       array(
         'name' => 'conduit-token',
         'param' => 'token',
         'help' => pht('Use a specific authentication token.'),
       ),
-      array(
-        'name' => 'anonymous',
-        'help' => pht('Run workflow as a public user, without authenticating.'),
-      ),
     );
   }
 
 }