diff --git a/lib/Cron/CronTrigger.php b/lib/Cron/CronTrigger.php
index 4f21e7b607..966de0d054 100644
--- a/lib/Cron/CronTrigger.php
+++ b/lib/Cron/CronTrigger.php
@@ -2,12 +2,11 @@
 
 namespace MailPoet\Cron;
 
+use MailPoet\Cron\Triggers\MailPoet;
+use MailPoet\Cron\Triggers\WordPress;
 use MailPoet\Settings\SettingsController;
 
 class CronTrigger {
-  /** @var SettingsController */
-  private $settings;
-
   const METHOD_LINUX_CRON = 'Linux Cron';
   const METHOD_MAILPOET = 'MailPoet';
   const METHOD_WORDPRESS = 'WordPress';
@@ -22,17 +21,34 @@ class CronTrigger {
   const DEFAULT_METHOD = 'WordPress';
   const SETTING_NAME = 'cron_trigger';
 
-  function __construct(SettingsController $settings) {
+  /** @var MailPoet */
+  private $mailpoet_trigger;
+
+  /** @var WordPress */
+  private $wordpress_trigger;
+
+  /** @var SettingsController */
+  private $settings;
+
+  function __construct(
+    MailPoet $mailpoet_trigger,
+    WordPress $wordpress_trigger,
+    SettingsController $settings
+  ) {
+    $this->mailpoet_trigger = $mailpoet_trigger;
+    $this->wordpress_trigger = $wordpress_trigger;
     $this->settings = $settings;
   }
 
   function init() {
     $current_method = $this->settings->get(self::SETTING_NAME . '.method');
     try {
-      $trigger_class = __NAMESPACE__ . '\Triggers\\' . $current_method;
-      return (class_exists($trigger_class)) ?
-        (new $trigger_class)->run() :
-        false;
+      if ($current_method === self::METHOD_MAILPOET) {
+        return $this->mailpoet_trigger->run();
+      } elseif ($current_method === self::METHOD_WORDPRESS) {
+        return $this->wordpress_trigger->run();
+      }
+      return false;
     } catch (\Exception $e) {
       // cron exceptions should not prevent the rest of the site from loading
     }
diff --git a/lib/Cron/DaemonHttpRunner.php b/lib/Cron/DaemonHttpRunner.php
index 389b64b1a7..5ecfaba223 100644
--- a/lib/Cron/DaemonHttpRunner.php
+++ b/lib/Cron/DaemonHttpRunner.php
@@ -23,13 +23,17 @@ class DaemonHttpRunner {
 
   const PING_SUCCESS_RESPONSE = 'pong';
 
-  function __construct(Daemon $daemon = null, CronHelper $cron_helper, SettingsController $settings) {
+  /** @var WordPress */
+  private $wordpress_trigger;
+
+  function __construct(Daemon $daemon = null, CronHelper $cron_helper, SettingsController $settings, WordPress $wordpress_trigger) {
     $this->cron_helper = $cron_helper;
     $this->settings_daemon_data = $this->cron_helper->getDaemon();
     $this->token = $this->cron_helper->createToken();
     $this->timer = microtime(true);
     $this->daemon = $daemon;
     $this->settings = $settings;
+    $this->wordpress_trigger = $wordpress_trigger;
   }
 
   function ping() {
@@ -113,11 +117,11 @@ class DaemonHttpRunner {
   }
 
   function checkWPTriggerExecutionRequirements() {
-    return WordPress::checkExecutionRequirements();
+    return $this->wordpress_trigger->checkExecutionRequirements();
   }
 
   function stopCron() {
-    return WordPress::stop();
+    return $this->wordpress_trigger->stop();
   }
 
   /**
diff --git a/lib/Cron/Triggers/MailPoet.php b/lib/Cron/Triggers/MailPoet.php
index 50f64e09ef..e8c99d9d08 100644
--- a/lib/Cron/Triggers/MailPoet.php
+++ b/lib/Cron/Triggers/MailPoet.php
@@ -3,12 +3,17 @@
 namespace MailPoet\Cron\Triggers;
 
 use MailPoet\Cron\Supervisor;
-use MailPoet\DI\ContainerWrapper;
 
 class MailPoet {
+  /** @var Supervisor */
+  private $supervisor;
+
+  function __construct(Supervisor $supervisor) {
+    $this->supervisor = $supervisor;
+  }
+
   function run() {
-    $supervisor = ContainerWrapper::getInstance()->get(Supervisor::class);
-    $supervisor->init();
-    return $supervisor->checkDaemon();
+    $this->supervisor->init();
+    return $this->supervisor->checkDaemon();
   }
 }
diff --git a/lib/Cron/Triggers/WordPress.php b/lib/Cron/Triggers/WordPress.php
index 84bceda9b5..6ab74fe8a0 100644
--- a/lib/Cron/Triggers/WordPress.php
+++ b/lib/Cron/Triggers/WordPress.php
@@ -18,7 +18,6 @@ use MailPoet\Cron\Workers\SubscriberLinkTokens;
 use MailPoet\Cron\Workers\UnsubscribeTokens;
 use MailPoet\Cron\Workers\WooCommercePastOrders;
 use MailPoet\Cron\Workers\WooCommerceSync as WooCommerceSyncWorker;
-use MailPoet\DI\ContainerWrapper;
 use MailPoet\Mailer\MailerLog;
 use MailPoet\Models\ScheduledTask;
 use MailPoet\Services\Bridge;
@@ -34,22 +33,45 @@ class WordPress {
 
   private $tasks_counts;
 
+  /** @var CronHelper */
+  private $cron_helper;
+
+  /** @var MailPoet */
+  private $mailpoet_trigger;
+
+  /** @var SettingsController */
+  private $settings;
+
+  /** @var WPFunctions */
+  private $wp;
+
+  function __construct(
+    CronHelper $cron_helper,
+    MailPoet $mailpoet_trigger,
+    SettingsController $settings,
+    WPFunctions $wp
+  ) {
+    $this->mailpoet_trigger = $mailpoet_trigger;
+    $this->settings = $settings;
+    $this->wp = $wp;
+    $this->cron_helper = $cron_helper;
+  }
+
   function run() {
     if (!$this->checkRunInterval()) {
       return false;
     }
     return ($this->checkExecutionRequirements()) ?
-      (new MailPoet)->run() :
+      $this->mailpoet_trigger->run() :
       self::stop();
   }
 
   private function checkRunInterval() {
-    $settings = SettingsController::getInstance();
-    $last_run_at = (int)$settings->get(self::LAST_RUN_AT_SETTING, 0);
-    $run_interval = WPFunctions::get()->applyFilters('mailpoet_cron_trigger_wordpress_run_interval', self::RUN_INTERVAL);
+    $last_run_at = (int)$this->settings->get(self::LAST_RUN_AT_SETTING, 0);
+    $run_interval = $this->wp->applyFilters('mailpoet_cron_trigger_wordpress_run_interval', self::RUN_INTERVAL);
     $run_interval_elapsed = (time() - $last_run_at) >= $run_interval;
     if ($run_interval_elapsed) {
-      $settings->set(self::LAST_RUN_AT_SETTING, time());
+      $this->settings->set(self::LAST_RUN_AT_SETTING, time());
       return true;
     }
     return false;
@@ -60,12 +82,11 @@ class WordPress {
     $settings->set(self::LAST_RUN_AT_SETTING, 0);
   }
 
-  function checkExecutionRequirements(WPFunctions $wp = null) {
-    $this->loadTasksCounts($wp ?: new WPFunctions);
+  function checkExecutionRequirements() {
+    $this->loadTasksCounts();
 
     // migration
-    $settings = SettingsController::getInstance();
-    $migration_disabled = $settings->get('cron_trigger.method') === 'none';
+    $migration_disabled = $this->settings->get('cron_trigger.method') === 'none';
     $migration_due_tasks = $this->getTasksCount([
       'type' => MigrationWorker::TASK_TYPE,
       'scheduled_in' => [self::SCHEDULED_IN_THE_PAST],
@@ -210,15 +231,14 @@ class WordPress {
     );
   }
 
-  static function stop() {
-    $cron_helper = ContainerWrapper::getInstance()->get(CronHelper::class);
-    $cron_daemon = $cron_helper->getDaemon();
+  function stop() {
+    $cron_daemon = $this->cron_helper->getDaemon();
     if ($cron_daemon) {
-      $cron_helper->deactivateDaemon($cron_daemon);
+      $this->cron_helper->deactivateDaemon($cron_daemon);
     }
   }
 
-  private function loadTasksCounts(WPFunctions $wp) {
+  private function loadTasksCounts() {
     $query = sprintf(
       "select
         type,
@@ -229,7 +249,7 @@ class WordPress {
       where deleted_at is null
       group by type, status, scheduled_in
       ",
-      date('Y-m-d H:i:s', $wp->currentTime('timestamp')),
+      date('Y-m-d H:i:s', $this->wp->currentTime('timestamp')),
       self::SCHEDULED_IN_THE_PAST,
       self::SCHEDULED_IN_THE_FUTURE,
       ScheduledTask::$_table
diff --git a/lib/DI/ContainerConfigurator.php b/lib/DI/ContainerConfigurator.php
index 12c5e367f0..974dc9500c 100644
--- a/lib/DI/ContainerConfigurator.php
+++ b/lib/DI/ContainerConfigurator.php
@@ -131,6 +131,8 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\Cron\Daemon::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\DaemonHttpRunner::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\Supervisor::class)->setPublic(true);
+    $container->autowire(\MailPoet\Cron\Triggers\MailPoet::class)->setPublic(true);
+    $container->autowire(\MailPoet\Cron\Triggers\WordPress::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\Workers\WorkersFactory::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\Workers\SendingQueue\SendingErrorHandler::class)->setPublic(true);
     $container->autowire(\MailPoet\Cron\Workers\StatsNotifications\Scheduler::class);