diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2272,7 +2272,6 @@
     'PhabricatorAuthLinkController' => 'applications/auth/controller/PhabricatorAuthLinkController.php',
     'PhabricatorAuthListController' => 'applications/auth/controller/config/PhabricatorAuthListController.php',
     'PhabricatorAuthLoginController' => 'applications/auth/controller/PhabricatorAuthLoginController.php',
-    'PhabricatorAuthLoginHandler' => 'applications/auth/handler/PhabricatorAuthLoginHandler.php',
     'PhabricatorAuthLoginMessageType' => 'applications/auth/message/PhabricatorAuthLoginMessageType.php',
     'PhabricatorAuthLogoutConduitAPIMethod' => 'applications/auth/conduit/PhabricatorAuthLogoutConduitAPIMethod.php',
     'PhabricatorAuthMFAEditEngineExtension' => 'applications/auth/engineextension/PhabricatorAuthMFAEditEngineExtension.php',
@@ -8019,7 +8018,6 @@
     'PhabricatorAuthLinkController' => 'PhabricatorAuthController',
     'PhabricatorAuthListController' => 'PhabricatorAuthProviderConfigController',
     'PhabricatorAuthLoginController' => 'PhabricatorAuthController',
-    'PhabricatorAuthLoginHandler' => 'Phobject',
     'PhabricatorAuthLoginMessageType' => 'PhabricatorAuthMessageType',
     'PhabricatorAuthLogoutConduitAPIMethod' => 'PhabricatorAuthConduitAPIMethod',
     'PhabricatorAuthMFAEditEngineExtension' => 'PhabricatorEditEngineExtension',
diff --git a/src/applications/auth/controller/PhabricatorAuthStartController.php b/src/applications/auth/controller/PhabricatorAuthStartController.php
--- a/src/applications/auth/controller/PhabricatorAuthStartController.php
+++ b/src/applications/auth/controller/PhabricatorAuthStartController.php
@@ -172,23 +172,6 @@
         $button_columns);
     }
 
-    $handlers = PhabricatorAuthLoginHandler::getAllHandlers();
-
-    $delegating_controller = $this->getDelegatingController();
-
-    $header = array();
-    foreach ($handlers as $handler) {
-      $handler = clone $handler;
-
-      $handler->setRequest($request);
-
-      if ($delegating_controller) {
-        $handler->setDelegatingController($delegating_controller);
-      }
-
-      $header[] = $handler->getAuthLoginHeaderContent();
-    }
-
     $invite_message = null;
     if ($invite) {
       $invite_message = $this->renderInviteHeader($invite);
@@ -202,7 +185,6 @@
 
     $title = pht('Login');
     $view = array(
-      $header,
       $invite_message,
       $custom_message,
       $out,
diff --git a/src/applications/auth/handler/PhabricatorAuthLoginHandler.php b/src/applications/auth/handler/PhabricatorAuthLoginHandler.php
deleted file mode 100644
--- a/src/applications/auth/handler/PhabricatorAuthLoginHandler.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-abstract class PhabricatorAuthLoginHandler
-  extends Phobject {
-
-  private $request;
-  private $delegatingController;
-
-  public function getAuthLoginHeaderContent() {
-    return array();
-  }
-
-  final public function setDelegatingController(AphrontController $controller) {
-    $this->delegatingController = $controller;
-    return $this;
-  }
-
-  final public function getDelegatingController() {
-    return $this->delegatingController;
-  }
-
-  final public function setRequest(AphrontRequest $request) {
-    $this->request = $request;
-    return $this;
-  }
-
-  final public function getRequest() {
-    return $this->request;
-  }
-
-  final public static function getAllHandlers() {
-    return id(new PhutilClassMapQuery())
-      ->setAncestorClass(__CLASS__)
-      ->execute();
-  }
-}