diff --git a/include/cron.php b/include/cron.php
index 712befb1ff..0c9d6baa58 100644
--- a/include/cron.php
+++ b/include/cron.php
@@ -215,6 +215,10 @@ function cron_run(&$argv, &$argc){
 	if(! $interval)
 		$interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval')));
 
+	// If we are using the worker we don't need a delivery interval
+	if (get_config("system", "worker"))
+		$interval = false;
+
 	$sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 
 	reload_plugins();
diff --git a/include/notifier.php b/include/notifier.php
index 002b3c8d74..593933b326 100644
--- a/include/notifier.php
+++ b/include/notifier.php
@@ -615,6 +615,10 @@ function notifier_run(&$argv, &$argc){
 
 	$interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 
+	// If we are using the worker we don't need a delivery interval
+	if (get_config("system", "worker"))
+		$interval = false;
+
 	// delivery loop
 
 	if(count($r)) {
diff --git a/include/poller.php b/include/poller.php
index bdf6ba84e9..053880bc59 100644
--- a/include/poller.php
+++ b/include/poller.php
@@ -39,7 +39,7 @@ function poller_run(&$argv, &$argc){
 
 	} else
 		// Sleep two seconds before checking for running processes to avoid having too many workers
-		sleep(2);
+		sleep(4);
 
 	// Checking number of workers
 	$workers = q("SELECT COUNT(*) AS `workers` FROM `workerqueue` WHERE `executed` != '0000-00-00 00:00:00'");
diff --git a/include/queue.php b/include/queue.php
index 3f6686ec6e..cb5fe28ad9 100644
--- a/include/queue.php
+++ b/include/queue.php
@@ -60,6 +60,10 @@ function queue_run(&$argv, &$argc){
 
 	$interval = ((get_config('system','delivery_interval') === false) ? 2 : intval(get_config('system','delivery_interval')));
 
+	// If we are using the worker we don't need a delivery interval
+	if (get_config("system", "worker"))
+		$interval = false;
+
 	$r = q("select * from deliverq where 1");
 	if($r) {
 		foreach($r as $rr) {