diff --git a/src/applications/differential/search/DifferentialRevisionFerretEngine.php b/src/applications/differential/search/DifferentialRevisionFerretEngine.php
--- a/src/applications/differential/search/DifferentialRevisionFerretEngine.php
+++ b/src/applications/differential/search/DifferentialRevisionFerretEngine.php
@@ -15,12 +15,4 @@
     return new DifferentialRevisionSearchEngine();
   }
 
-  protected function getFunctionMap() {
-    $map = parent::getFunctionMap();
-
-    $map['body']['aliases'][] = 'summary';
-
-    return $map;
-  }
-
 }
diff --git a/src/applications/maniphest/search/ManiphestTaskFerretEngine.php b/src/applications/maniphest/search/ManiphestTaskFerretEngine.php
--- a/src/applications/maniphest/search/ManiphestTaskFerretEngine.php
+++ b/src/applications/maniphest/search/ManiphestTaskFerretEngine.php
@@ -15,13 +15,4 @@
     return new ManiphestTaskSearchEngine();
   }
 
-  protected function getFunctionMap() {
-    $map = parent::getFunctionMap();
-
-    $map['body']['aliases'][] = 'desc';
-    $map['body']['aliases'][] = 'description';
-
-    return $map;
-  }
-
 }
diff --git a/src/applications/search/ferret/PhabricatorFerretEngine.php b/src/applications/search/ferret/PhabricatorFerretEngine.php
--- a/src/applications/search/ferret/PhabricatorFerretEngine.php
+++ b/src/applications/search/ferret/PhabricatorFerretEngine.php
@@ -29,31 +29,22 @@
     return $map[$function]['field'];
   }
 
-  protected function getFunctionMap() {
+  private function getFunctionMap() {
     return array(
       'all' => array(
         'field' => PhabricatorSearchDocumentFieldType::FIELD_ALL,
-        'aliases' => array(
-          'any',
-        ),
       ),
       'title' => array(
         'field' => PhabricatorSearchDocumentFieldType::FIELD_TITLE,
-        'aliases' => array(),
       ),
       'body' => array(
         'field' => PhabricatorSearchDocumentFieldType::FIELD_BODY,
-        'aliases' => array(),
       ),
       'core' => array(
         'field' => PhabricatorSearchDocumentFieldType::FIELD_CORE,
-        'aliases' => array(),
       ),
       'comment' => array(
         'field' => PhabricatorSearchDocumentFieldType::FIELD_COMMENT,
-        'aliases' => array(
-          'comments',
-        ),
       ),
     );
   }