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
@@ -2238,7 +2238,6 @@
     'PhabricatorFileImageMacro' => 'applications/macro/storage/PhabricatorFileImageMacro.php',
     'PhabricatorFileImageTransform' => 'applications/files/transform/PhabricatorFileImageTransform.php',
     'PhabricatorFileInfoController' => 'applications/files/controller/PhabricatorFileInfoController.php',
-    'PhabricatorFileLinkListView' => 'view/layout/PhabricatorFileLinkListView.php',
     'PhabricatorFileLinkView' => 'view/layout/PhabricatorFileLinkView.php',
     'PhabricatorFileListController' => 'applications/files/controller/PhabricatorFileListController.php',
     'PhabricatorFileQuery' => 'applications/files/query/PhabricatorFileQuery.php',
@@ -6396,7 +6395,6 @@
     ),
     'PhabricatorFileImageTransform' => 'PhabricatorFileTransform',
     'PhabricatorFileInfoController' => 'PhabricatorFileController',
-    'PhabricatorFileLinkListView' => 'AphrontView',
     'PhabricatorFileLinkView' => 'AphrontView',
     'PhabricatorFileListController' => 'PhabricatorFileController',
     'PhabricatorFileQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
diff --git a/src/applications/maniphest/controller/ManiphestTaskDetailController.php b/src/applications/maniphest/controller/ManiphestTaskDetailController.php
--- a/src/applications/maniphest/controller/ManiphestTaskDetailController.php
+++ b/src/applications/maniphest/controller/ManiphestTaskDetailController.php
@@ -10,10 +10,6 @@
     $viewer = $this->getViewer();
     $id = $request->getURIData('id');
 
-    $e_title = null;
-
-    $priority_map = ManiphestTaskPriority::getTaskPriorityMap();
-
     $task = id(new ManiphestTaskQuery())
       ->setViewer($viewer)
       ->withIDs(array($id))
@@ -23,15 +19,6 @@
       return new Aphront404Response();
     }
 
-    $workflow = $request->getStr('workflow');
-    $parent_task = null;
-    if ($workflow && is_numeric($workflow)) {
-      $parent_task = id(new ManiphestTaskQuery())
-        ->setViewer($viewer)
-        ->withIDs(array($workflow))
-        ->executeOne();
-    }
-
     $field_list = PhabricatorCustomField::getObjectFields(
       $task,
       PhabricatorCustomField::ROLE_VIEW);
@@ -65,53 +52,13 @@
     }
     $phids[$task->getAuthorPHID()] = true;
 
-    $attached = $task->getAttached();
-    foreach ($attached as $type => $list) {
-      foreach ($list as $phid => $info) {
-        $phids[$phid] = true;
-      }
-    }
-
-    if ($parent_task) {
-      $phids[$parent_task->getPHID()] = true;
-    }
-
     $phids = array_keys($phids);
     $handles = $viewer->loadHandles($phids);
 
-    $info_view = null;
-    if ($parent_task) {
-      $info_view = new PHUIInfoView();
-      $info_view->setSeverity(PHUIInfoView::SEVERITY_NOTICE);
-      $info_view->addButton(
-        id(new PHUIButtonView())
-          ->setTag('a')
-          ->setHref('/maniphest/task/create/?parent='.$parent_task->getID())
-          ->setText(pht('Create Another Subtask')));
-
-      $info_view->appendChild(hsprintf(
-        'Created a subtask of <strong>%s</strong>.',
-        $handles->renderHandle($parent_task->getPHID())));
-    } else if ($workflow == 'create') {
-      $info_view = new PHUIInfoView();
-      $info_view->setSeverity(PHUIInfoView::SEVERITY_NOTICE);
-      $info_view->addButton(
-        id(new PHUIButtonView())
-          ->setTag('a')
-          ->setHref('/maniphest/task/create/?template='.$task->getID())
-          ->setText(pht('Similar Task')));
-      $info_view->addButton(
-        id(new PHUIButtonView())
-          ->setTag('a')
-          ->setHref('/maniphest/task/create/')
-          ->setText(pht('Empty Task')));
-      $info_view->appendChild(pht('New task created. Create another?'));
-    }
-
-    $engine = new PhabricatorMarkupEngine();
-    $engine->setViewer($viewer);
-    $engine->setContextObject($task);
-    $engine->addObject($task, ManiphestTask::MARKUP_FIELD_DESCRIPTION);
+    $engine = id(new PhabricatorMarkupEngine())
+      ->setViewer($viewer)
+      ->setContextObject($task)
+      ->addObject($task, ManiphestTask::MARKUP_FIELD_DESCRIPTION);
 
     $timeline = $this->buildTransactionTimeline(
       $task,
@@ -155,7 +102,6 @@
         ))
       ->appendChild(
         array(
-          $info_view,
           $object_box,
           $timeline,
           $comment_view,
@@ -325,30 +271,6 @@
         phutil_implode_html(phutil_tag('br'), $revisions_commits));
     }
 
-    $attached = $task->getAttached();
-    if (!is_array($attached)) {
-      $attached = array();
-    }
-
-    $file_infos = idx($attached, PhabricatorFileFilePHIDType::TYPECONST);
-    if ($file_infos) {
-      $file_phids = array_keys($file_infos);
-
-      // TODO: These should probably be handles or something; clean this up
-      // as we sort out file attachments.
-      $files = id(new PhabricatorFileQuery())
-        ->setViewer($viewer)
-        ->withPHIDs($file_phids)
-        ->execute();
-
-      $file_view = new PhabricatorFileLinkListView();
-      $file_view->setFiles($files);
-
-      $view->addProperty(
-        pht('Files'),
-        $file_view->render());
-    }
-
     $view->invokeWillRenderEvent();
 
     $field_list->appendFieldsToPropertyList(
diff --git a/src/applications/maniphest/storage/ManiphestTask.php b/src/applications/maniphest/storage/ManiphestTask.php
--- a/src/applications/maniphest/storage/ManiphestTask.php
+++ b/src/applications/maniphest/storage/ManiphestTask.php
@@ -32,7 +32,6 @@
   protected $viewPolicy = PhabricatorPolicies::POLICY_USER;
   protected $editPolicy = PhabricatorPolicies::POLICY_USER;
 
-  protected $attached = array();
   protected $projectPHIDs = array();
 
   protected $ownerOrdering;
@@ -43,6 +42,9 @@
   private $customFields = self::ATTACHABLE;
   private $edgeProjectPHIDs = self::ATTACHABLE;
 
+  // TODO: This field is unused and should eventually be removed.
+  protected $attached = array();
+
   public static function initializeNewTask(PhabricatorUser $actor) {
     $app = id(new PhabricatorApplicationQuery())
       ->setViewer($actor)
diff --git a/src/view/layout/PhabricatorFileLinkListView.php b/src/view/layout/PhabricatorFileLinkListView.php
deleted file mode 100644
--- a/src/view/layout/PhabricatorFileLinkListView.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-final class PhabricatorFileLinkListView extends AphrontView {
-  private $files;
-
-  public function setFiles(array $files) {
-    assert_instances_of($files, 'PhabricatorFile');
-    $this->files = $files;
-    return $this;
-  }
-  private function getFiles() {
-    return $this->files;
-  }
-
-  public function render() {
-    $files = $this->getFiles();
-    if (!$files) {
-      return '';
-    }
-
-    require_celerity_resource('phabricator-remarkup-css');
-
-    $file_links = array();
-    foreach ($this->getFiles() as $file) {
-      $view = id(new PhabricatorFileLinkView())
-        ->setFilePHID($file->getPHID())
-        ->setFileName($file->getName())
-        ->setFileDownloadURI($file->getDownloadURI())
-        ->setFileViewURI($file->getBestURI())
-        ->setFileViewable($file->isViewableImage());
-      $file_links[] = $view->render();
-    }
-
-    return phutil_implode_html(phutil_tag('br'), $file_links);
-  }
-}