diff --git a/src/applications/repository/storage/PhabricatorRepositoryArcanistProject.php b/src/applications/repository/storage/PhabricatorRepositoryArcanistProject.php
index 444cb10c4a..aca35ff3ab 100644
--- a/src/applications/repository/storage/PhabricatorRepositoryArcanistProject.php
+++ b/src/applications/repository/storage/PhabricatorRepositoryArcanistProject.php
@@ -1,93 +1,105 @@
 <?php
 
 /**
  * @group repository
  */
 final class PhabricatorRepositoryArcanistProject
   extends PhabricatorRepositoryDAO
-  implements PhabricatorPolicyInterface {
+  implements PhabricatorPolicyInterface,
+  PhabricatorDestructableInterface {
 
   protected $name;
   protected $repositoryID;
 
   protected $symbolIndexLanguages = array();
   protected $symbolIndexProjects  = array();
 
   private $repository = self::ATTACHABLE;
 
   public function getConfiguration() {
     return array(
       self::CONFIG_AUX_PHID   => true,
       self::CONFIG_TIMESTAMPS => false,
       self::CONFIG_SERIALIZATION => array(
         'symbolIndexLanguages' => self::SERIALIZATION_JSON,
         'symbolIndexProjects'  => self::SERIALIZATION_JSON,
       ),
     ) + parent::getConfiguration();
   }
 
   public function generatePHID() {
     return PhabricatorPHID::generateNewPHID(
       PhabricatorRepositoryPHIDTypeArcanistProject::TYPECONST);
   }
 
   // TODO: Remove. Also, T603.
   public function loadRepository() {
     if (!$this->getRepositoryID()) {
       return null;
     }
     return id(new PhabricatorRepository())->load($this->getRepositoryID());
   }
 
   public function delete() {
     $this->openTransaction();
 
       queryfx(
         $this->establishConnection('w'),
         'DELETE FROM %T WHERE arcanistProjectID = %d',
         id(new PhabricatorRepositorySymbol())->getTableName(),
         $this->getID());
 
       $result = parent::delete();
     $this->saveTransaction();
     return $result;
   }
 
   public function getRepository() {
     return $this->assertAttached($this->repository);
   }
 
   public function attachRepository(PhabricatorRepository $repository = null) {
     $this->repository = $repository;
     return $this;
   }
 
 
 
 /* -(  PhabricatorPolicyInterface  )----------------------------------------- */
 
   public function getCapabilities() {
     return array(
       PhabricatorPolicyCapability::CAN_VIEW,
       PhabricatorPolicyCapability::CAN_EDIT,
     );
   }
 
   public function getPolicy($capability) {
     switch ($capability) {
       case PhabricatorPolicyCapability::CAN_VIEW:
         return PhabricatorPolicies::POLICY_USER;
       case PhabricatorPolicyCapability::CAN_EDIT:
         return PhabricatorPolicies::POLICY_ADMIN;
     }
   }
 
   public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
     return false;
   }
 
   public function describeAutomaticCapability($capability) {
     return null;
   }
 
+
+/* -(  PhabricatorDestructableInterface  )----------------------------------- */
+
+  public function destroyObjectPermanently(
+    PhabricatorDestructionEngine $engine) {
+
+    $this->openTransaction();
+    $this->delete();
+    $this->saveTransaction();
+  }
+
 }