diff --git a/lib/iomanager.php b/lib/iomanager.php
index f9d97d6a97..ee2ff958b9 100644
--- a/lib/iomanager.php
+++ b/lib/iomanager.php
@@ -31,7 +31,6 @@
 
 abstract class IoManager
 {
-    const GLOBAL_SINGLE_ONLY = -1;
     const SINGLE_ONLY = 0;
     const INSTANCE_PER_SITE = 1;
     const INSTANCE_PER_PROCESS = 2;
diff --git a/lib/iomaster.php b/lib/iomaster.php
index 979f73e753..ce77b53b2e 100644
--- a/lib/iomaster.php
+++ b/lib/iomaster.php
@@ -32,7 +32,6 @@ class IoMaster
     public $id;
 
     protected $multiSite = false;
-    protected $includeGlobalSingletons = true;
     protected $managers = array();
     protected $singletons = array();
 
@@ -48,9 +47,8 @@ class IoMaster
         $this->monitor = new QueueMonitor();
     }
 
-    public function init($multiSite=null, $includeGlobalSingletons = true)
+    public function init($multiSite=null)
     {
-        $this->includeGlobalSingletons = $includeGlobalSingletons;
         if ($multiSite !== null) {
             $this->multiSite = $multiSite;
         }
@@ -109,7 +107,7 @@ class IoMaster
      */
     protected function instantiate($class)
     {
-        if (is_string($class) && isset($this->singletons[$class])) {
+        if (isset($this->singletons[$class])) {
             // Already instantiated a multi-site-capable handler.
             // Just let it know it should listen to this site too!
             $this->singletons[$class]->addSite(common_config('site', 'server'));
@@ -118,34 +116,25 @@ class IoMaster
 
         $manager = $this->getManager($class);
 
-        $caps = $manager->multiSite();
         if ($this->multiSite) {
+            $caps = $manager->multiSite();
             if ($caps == IoManager::SINGLE_ONLY) {
                 throw new Exception("$class can't run with --all; aborting.");
             }
-            if ($caps == IoManager::INSTANCE_PER_PROCESS ||
-               ( $this->includeGlobalSingletons && $caps == IoManager::GLOBAL_SINGLE_ONLY )) {
+            if ($caps == IoManager::INSTANCE_PER_PROCESS) {
                 // Save this guy for later!
                 // We'll only need the one to cover multiple sites.
-                if (is_string($class)){
-                    $this->singletons[$class] = $manager;
-                }
+                $this->singletons[$class] = $manager;
                 $manager->addSite(common_config('site', 'server'));
             }
         }
 
-        if( $this->includeGlobalSingletons || $caps != IoManager::GLOBAL_SINGLE_ONLY ) {
-            $this->managers[] = $manager;
-        }
+        $this->managers[] = $manager;
     }
     
     protected function getManager($class)
     {
-        if(is_object($class)){
-            return $class;
-        }else{
-            return call_user_func(array($class, 'get'));
-        }
+        return call_user_func(array($class, 'get'));
     }
 
     /**
diff --git a/lib/queuemanager.php b/lib/queuemanager.php
index b20a934687..291174d3c4 100644
--- a/lib/queuemanager.php
+++ b/lib/queuemanager.php
@@ -119,9 +119,7 @@ abstract class QueueManager extends IoManager
     {
         if (isset($this->handlers[$queue])) {
             $class = $this->handlers[$queue];
-            if(is_object($class)) {
-                return $class;
-            } else if (class_exists($class)) {
+            if (class_exists($class)) {
                 return new $class();
             } else {
                 common_log(LOG_ERR, "Nonexistent handler class '$class' for queue '$queue'");
@@ -184,7 +182,7 @@ abstract class QueueManager extends IoManager
      * Only registered transports will be reliably picked up!
      *
      * @param string $transport
-     * @param string $class class name or object instance
+     * @param string $class
      */
     public function connect($transport, $class)
     {
diff --git a/scripts/queuedaemon.php b/scripts/queuedaemon.php
index 6cce4eaa75..162f617e0d 100755
--- a/scripts/queuedaemon.php
+++ b/scripts/queuedaemon.php
@@ -122,7 +122,7 @@ class QueueDaemon extends Daemon
         if ($this->threads > 1) {
             return $this->runThreads();
         } else {
-            return $this->runLoop(true);
+            return $this->runLoop();
         }
     }
     
@@ -176,8 +176,7 @@ class QueueDaemon extends Daemon
     {
         $this->set_id($this->get_id() . "." . $thread);
         $this->resetDb();
-        //only include global singletons on the first thread
-        $this->runLoop($thread == 1);
+        $this->runLoop();
     }
 
     /**
@@ -214,18 +213,14 @@ class QueueDaemon extends Daemon
      *
      * Most of the time this won't need to be overridden in a subclass.
      *
-     * @param boolean $includeGlobalSingletons Include IoManagers that are
-     * global singletons (should only be one instance - regardless of how
-     * many processes or sites there are)
-     *
      * @return boolean true on success, false on failure
      */
-    function runLoop($includeGlobalSingletons)
+    function runLoop()
     {
         $this->log(LOG_INFO, 'checking for queued notices');
 
         $master = new IoMaster($this->get_id());
-        $master->init($this->all, $includeGlobalSingletons);
+        $master->init($this->all);
         $master->service();
 
         $this->log(LOG_INFO, 'finished servicing the queue');