diff --git a/src/applications/search/engine/PhabricatorApplicationSearchEngine.php b/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
--- a/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
+++ b/src/applications/search/engine/PhabricatorApplicationSearchEngine.php
@@ -713,50 +713,6 @@
 
 
   /**
-   * Read a list of project PHIDs from a request in a flexible way.
-   *
-   * @param AphrontRequest  Request to read user PHIDs from.
-   * @param string          Key to read in the request.
-   * @return list<phid>     List of projet PHIDs and selector functions.
-   * @task read
-   */
-  protected function readProjectsFromRequest(AphrontRequest $request, $key) {
-    $list = $this->readListFromRequest($request, $key);
-
-    $phids = array();
-    $slugs = array();
-    $project_type = PhabricatorProjectProjectPHIDType::TYPECONST;
-    foreach ($list as $item) {
-      $type = phid_get_type($item);
-      if ($type == $project_type) {
-        $phids[] = $item;
-      } else {
-        if (PhabricatorTypeaheadDatasource::isFunctionToken($item)) {
-          // If this is a function, pass it through unchanged; we'll evaluate
-          // it later.
-          $phids[] = $item;
-        } else {
-          $slugs[] = $item;
-        }
-      }
-    }
-
-    if ($slugs) {
-      $projects = id(new PhabricatorProjectQuery())
-        ->setViewer($this->requireViewer())
-        ->withSlugs($slugs)
-        ->execute();
-      foreach ($projects as $project) {
-        $phids[] = $project->getPHID();
-      }
-      $phids = array_unique($phids);
-    }
-
-    return $phids;
-  }
-
-
-  /**
    * Read a list of subscribers from a request in a flexible way.
    *
    * @param AphrontRequest  Request to read PHIDs from.
@@ -849,19 +805,6 @@
     return $list;
   }
 
-  protected function readDateFromRequest(
-    AphrontRequest $request,
-    $key) {
-
-    $value = AphrontFormDateControlValue::newFromRequest($request, $key);
-
-    if ($value->isEmpty()) {
-      return null;
-    }
-
-    return $value->getDictionary();
-  }
-
   protected function readBoolFromRequest(
     AphrontRequest $request,
     $key) {