diff --git a/src/applications/countdown/application/PhabricatorCountdownApplication.php b/src/applications/countdown/application/PhabricatorCountdownApplication.php
--- a/src/applications/countdown/application/PhabricatorCountdownApplication.php
+++ b/src/applications/countdown/application/PhabricatorCountdownApplication.php
@@ -48,7 +48,7 @@
     );
   }
 
-  public function getCustomCapabilities() {
+  protected function getCustomCapabilities() {
     return array(
       PhabricatorCountdownDefaultViewCapability::CAPABILITY => array(
         'caption' => pht('Default view policy for new countdowns.'),
diff --git a/src/applications/harbormaster/application/PhabricatorHarbormasterApplication.php b/src/applications/harbormaster/application/PhabricatorHarbormasterApplication.php
--- a/src/applications/harbormaster/application/PhabricatorHarbormasterApplication.php
+++ b/src/applications/harbormaster/application/PhabricatorHarbormasterApplication.php
@@ -81,7 +81,7 @@
     );
   }
 
-  public function getCustomCapabilities() {
+  protected function getCustomCapabilities() {
     return array(
       HarbormasterManagePlansCapability::CAPABILITY => array(
         'caption' => pht('Can create and manage build plans.'),
diff --git a/src/applications/slowvote/application/PhabricatorSlowvoteApplication.php b/src/applications/slowvote/application/PhabricatorSlowvoteApplication.php
--- a/src/applications/slowvote/application/PhabricatorSlowvoteApplication.php
+++ b/src/applications/slowvote/application/PhabricatorSlowvoteApplication.php
@@ -55,7 +55,7 @@
     );
   }
 
-  public function getCustomCapabilities() {
+  protected function getCustomCapabilities() {
     return array(
       PhabricatorSlowvoteDefaultViewCapability::CAPABILITY => array(
         'caption' => pht('Default view policy for new polls.'),