diff --git a/src/applications/diffusion/request/DiffusionRequest.php b/src/applications/diffusion/request/DiffusionRequest.php
--- a/src/applications/diffusion/request/DiffusionRequest.php
+++ b/src/applications/diffusion/request/DiffusionRequest.php
@@ -22,7 +22,6 @@
   protected $repository;
   protected $repositoryCommit;
   protected $repositoryCommitData;
-  protected $arcanistProjects;
 
   private $isClusterRequest = false;
   private $initFromConduit = true;
@@ -401,16 +400,6 @@
     return $this->repositoryCommit;
   }
 
-  public function loadArcanistProjects() {
-    if (empty($this->arcanistProjects)) {
-      $projects = id(new PhabricatorRepositoryArcanistProject())->loadAllWhere(
-        'repositoryID = %d',
-        $this->getRepository()->getID());
-      $this->arcanistProjects = $projects;
-    }
-    return $this->arcanistProjects;
-  }
-
   public function loadCommitData() {
     if (empty($this->repositoryCommitData)) {
       $commit = $this->loadCommit();