diff --git a/src/applications/harbormaster/worker/HarbormasterBuildWorker.php b/src/applications/harbormaster/worker/HarbormasterBuildWorker.php
index 31f37b2f2b..c71563a8a5 100644
--- a/src/applications/harbormaster/worker/HarbormasterBuildWorker.php
+++ b/src/applications/harbormaster/worker/HarbormasterBuildWorker.php
@@ -5,7 +5,7 @@
  */
 final class HarbormasterBuildWorker extends HarbormasterWorker {
 
-  public function doWork() {
+  protected function doWork() {
     $data = $this->getTaskData();
     $id = idx($data, 'buildID');
     $viewer = $this->getViewer();
diff --git a/src/applications/harbormaster/worker/HarbormasterTargetWorker.php b/src/applications/harbormaster/worker/HarbormasterTargetWorker.php
index 180f19907a..d0d6d168ab 100644
--- a/src/applications/harbormaster/worker/HarbormasterTargetWorker.php
+++ b/src/applications/harbormaster/worker/HarbormasterTargetWorker.php
@@ -30,7 +30,7 @@ final class HarbormasterTargetWorker extends HarbormasterWorker {
     return $target;
   }
 
-  public function doWork() {
+  protected function doWork() {
     $target = $this->loadBuildTarget();
     $build = $target->getBuild();
     $viewer = $this->getViewer();
diff --git a/src/applications/metamta/PhabricatorMetaMTAWorker.php b/src/applications/metamta/PhabricatorMetaMTAWorker.php
index 60fc1dcb92..e600bb3dc5 100644
--- a/src/applications/metamta/PhabricatorMetaMTAWorker.php
+++ b/src/applications/metamta/PhabricatorMetaMTAWorker.php
@@ -11,7 +11,7 @@ final class PhabricatorMetaMTAWorker
     return ($task->getFailureCount() * 15);
   }
 
-  public function doWork() {
+  protected function doWork() {
     $message = $this->loadMessage();
     if (!$message) {
       throw new PhabricatorWorkerPermanentFailureException(
diff --git a/src/applications/repository/worker/PhabricatorRepositoryCommitParserWorker.php b/src/applications/repository/worker/PhabricatorRepositoryCommitParserWorker.php
index c6a3eef050..cafb28d7f6 100644
--- a/src/applications/repository/worker/PhabricatorRepositoryCommitParserWorker.php
+++ b/src/applications/repository/worker/PhabricatorRepositoryCommitParserWorker.php
@@ -27,7 +27,7 @@ abstract class PhabricatorRepositoryCommitParserWorker
     return $this->commit = $commit;
   }
 
-  final public function doWork() {
+  final protected function doWork() {
     if (!$this->loadCommit()) {
       return;
     }
diff --git a/src/applications/repository/worker/PhabricatorRepositoryPushMailWorker.php b/src/applications/repository/worker/PhabricatorRepositoryPushMailWorker.php
index 23582d63eb..a70ed055ac 100644
--- a/src/applications/repository/worker/PhabricatorRepositoryPushMailWorker.php
+++ b/src/applications/repository/worker/PhabricatorRepositoryPushMailWorker.php
@@ -3,7 +3,7 @@
 final class PhabricatorRepositoryPushMailWorker
   extends PhabricatorWorker {
 
-  public function doWork() {
+  protected function doWork() {
     $viewer = PhabricatorUser::getOmnipotentUser();
 
     $task_data = $this->getTaskData();
diff --git a/src/applications/search/worker/PhabricatorSearchWorker.php b/src/applications/search/worker/PhabricatorSearchWorker.php
index 41d53b50c9..873d9ff2dc 100644
--- a/src/applications/search/worker/PhabricatorSearchWorker.php
+++ b/src/applications/search/worker/PhabricatorSearchWorker.php
@@ -2,7 +2,7 @@
 
 final class PhabricatorSearchWorker extends PhabricatorWorker {
 
-  public function doWork() {
+  protected function doWork() {
     $data = $this->getTaskData();
 
     $phid = idx($data, 'documentPHID');
diff --git a/src/infrastructure/sms/worker/PhabricatorSMSDemultiplexWorker.php b/src/infrastructure/sms/worker/PhabricatorSMSDemultiplexWorker.php
index 7715166a7e..daa5244a10 100644
--- a/src/infrastructure/sms/worker/PhabricatorSMSDemultiplexWorker.php
+++ b/src/infrastructure/sms/worker/PhabricatorSMSDemultiplexWorker.php
@@ -3,7 +3,7 @@
 final class PhabricatorSMSDemultiplexWorker
   extends PhabricatorSMSWorker {
 
-  public function doWork() {
+  protected function doWork() {
     $viewer = PhabricatorUser::getOmnipotentUser();
 
     $task_data = $this->getTaskData();
diff --git a/src/infrastructure/sms/worker/PhabricatorSMSSendWorker.php b/src/infrastructure/sms/worker/PhabricatorSMSSendWorker.php
index a630de44bc..fa56336809 100644
--- a/src/infrastructure/sms/worker/PhabricatorSMSSendWorker.php
+++ b/src/infrastructure/sms/worker/PhabricatorSMSSendWorker.php
@@ -11,7 +11,7 @@ final class PhabricatorSMSSendWorker
     return phutil_units('1 minute in seconds');
   }
 
-  public function doWork() {
+  protected function doWork() {
     $viewer = PhabricatorUser::getOmnipotentUser();
 
     $task_data = $this->getTaskData();