diff --git a/composer.json b/composer.json
index 0c47ff4740..b8bce7d728 100644
--- a/composer.json
+++ b/composer.json
@@ -40,6 +40,9 @@
     "phpcompatibility/php-compatibility": "^9.0"
   },
   "autoload": {
+    "files": [
+      "lib/Util/ArrayColumn.php"
+    ],
     "psr-4": {
       "MailPoet\\": "lib/",
       "Sudzy\\": "lib/Util/Sudzy"
diff --git a/lib/Cron/Workers/Bounce.php b/lib/Cron/Workers/Bounce.php
index e3a48c48ee..c4c175fc88 100644
--- a/lib/Cron/Workers/Bounce.php
+++ b/lib/Cron/Workers/Bounce.php
@@ -11,7 +11,7 @@ use MailPoet\Tasks\Subscribers\BatchIterator;
 use MailPoet\Models\Subscriber;
 use MailPoet\Services\Bridge;
 use MailPoet\Services\Bridge\API;
-use MailPoet\Util\Helpers;
+use function MailPoet\Util\array_column;
 
 if(!defined('ABSPATH')) exit;
 
diff --git a/lib/Models/Newsletter.php b/lib/Models/Newsletter.php
index 1320a46f87..2c3c65117b 100644
--- a/lib/Models/Newsletter.php
+++ b/lib/Models/Newsletter.php
@@ -6,6 +6,7 @@ use MailPoet\Tasks\Sending as SendingTask;
 use MailPoet\Util\Helpers;
 use MailPoet\Util\Security;
 use MailPoet\WP\Emoji;
+use function MailPoet\Util\array_column;
 
 if(!defined('ABSPATH')) exit;
 
diff --git a/lib/Models/Subscriber.php b/lib/Models/Subscriber.php
index f6f0cc5c28..0f1c088329 100644
--- a/lib/Models/Subscriber.php
+++ b/lib/Models/Subscriber.php
@@ -1,12 +1,12 @@
 <?php
 namespace MailPoet\Models;
-use MailPoet\Mailer\Mailer;
+
 use MailPoet\Newsletter\Scheduler\Scheduler;
 use MailPoet\Subscribers\ConfirmationEmailMailer;
 use MailPoet\Subscribers\NewSubscriberNotificationMailer;
 use MailPoet\Subscribers\Source;
 use MailPoet\Util\Helpers;
-use MailPoet\Subscription;
+use function MailPoet\Util\array_column;
 
 if(!defined('ABSPATH')) exit;
 
diff --git a/lib/Segments/SubscribersFinder.php b/lib/Segments/SubscribersFinder.php
index 6d217a62d6..881be1ee64 100644
--- a/lib/Segments/SubscribersFinder.php
+++ b/lib/Segments/SubscribersFinder.php
@@ -7,6 +7,7 @@ use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\Segment;
 use MailPoet\Models\Subscriber;
 use MailPoet\WP\Hooks;
+use function MailPoet\Util\array_column;
 
 class SubscribersFinder {
 
diff --git a/lib/Subscribers/ImportExport/Export/Export.php b/lib/Subscribers/ImportExport/Export/Export.php
index c17b0d13f5..c3f0887507 100644
--- a/lib/Subscribers/ImportExport/Export/Export.php
+++ b/lib/Subscribers/ImportExport/Export/Export.php
@@ -4,11 +4,8 @@ namespace MailPoet\Subscribers\ImportExport\Export;
 
 use MailPoet\Config\Env;
 use MailPoet\Models\CustomField;
-use MailPoet\Models\Segment;
-use MailPoet\Models\Subscriber;
-use MailPoet\Models\SubscriberSegment;
 use MailPoet\Subscribers\ImportExport\ImportExportFactory;
-use MailPoet\Util\Helpers;
+use function MailPoet\Util\array_column;
 use MailPoet\Util\Security;
 use MailPoet\Util\XLSXWriter;
 
@@ -218,4 +215,4 @@ class Export {
       return $subscriber[$field];
     }, $this->subscriber_fields);
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Subscribers/ImportExport/Import/Import.php b/lib/Subscribers/ImportExport/Import/Import.php
index afa3d3ae48..c531d894af 100644
--- a/lib/Subscribers/ImportExport/Import/Import.php
+++ b/lib/Subscribers/ImportExport/Import/Import.php
@@ -11,6 +11,7 @@ use MailPoet\Models\SubscriberSegment;
 use MailPoet\Subscribers\ImportExport\ImportExportFactory;
 use MailPoet\Subscribers\Source;
 use MailPoet\Util\Helpers;
+use function MailPoet\Util\array_column;
 
 class Import {
   public $subscribers_data;
@@ -420,4 +421,4 @@ class Import {
       );
     }
   }
-}
\ No newline at end of file
+}
diff --git a/lib/Tasks/Sending.php b/lib/Tasks/Sending.php
index 995339ad6d..9d225da625 100644
--- a/lib/Tasks/Sending.php
+++ b/lib/Tasks/Sending.php
@@ -6,7 +6,7 @@ use Carbon\Carbon;
 use MailPoet\Models\ScheduledTask;
 use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\SendingQueue;
-use MailPoet\Util\Helpers;
+use function MailPoet\Util\array_column;
 use MailPoet\WP\Functions as WPFunctions;
 
 if(!defined('ABSPATH')) exit;
diff --git a/lib/Tasks/Subscribers/BatchIterator.php b/lib/Tasks/Subscribers/BatchIterator.php
index a27dafcbb2..ced2a15fb5 100644
--- a/lib/Tasks/Subscribers/BatchIterator.php
+++ b/lib/Tasks/Subscribers/BatchIterator.php
@@ -2,7 +2,7 @@
 namespace MailPoet\Tasks\Subscribers;
 
 use MailPoet\Models\ScheduledTaskSubscriber;
-use MailPoet\Util\Helpers;
+use function MailPoet\Util\array_column;
 
 if(!defined('ABSPATH')) exit;
 
diff --git a/lib/Util/ArrayColumn.php b/lib/Util/ArrayColumn.php
new file mode 100644
index 0000000000..b1164f686c
--- /dev/null
+++ b/lib/Util/ArrayColumn.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace MailPoet\Util;
+
+/*
+ * Using func_get_args() in order to check for proper number of parameters and trigger errors exactly as the built-in array_column()
+ * does in PHP 5.5.
+ * @author Ben Ramsey (http://benramsey.com)
+ */
+function array_column($input = null, $column_key = null, $index_key = null) {
+  if(!empty(\array_column([['id' => '4']], 'id'))) {
+    return \array_column($input, $column_key, $index_key);
+  }
+  $argc = func_num_args();
+  $params = func_get_args();
+  if($argc < 2) {
+    trigger_error("array_column() expects at least 2 parameters, {$argc} given", E_USER_WARNING);
+    return null;
+  }
+  if(!is_array($params[0])) {
+    trigger_error(
+      'array_column() expects parameter 1 to be array, ' . gettype($params[0]) . ' given',
+      E_USER_WARNING
+    );
+    return null;
+  }
+  if(!is_int($params[1])
+     && !is_float($params[1])
+     && !is_string($params[1])
+     && $params[1] !== null
+     && !(is_object($params[1]) && method_exists($params[1], '__toString'))
+  ) {
+    trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
+    return false;
+  }
+  if(isset($params[2])
+     && !is_int($params[2])
+     && !is_float($params[2])
+     && !is_string($params[2])
+     && !(is_object($params[2]) && method_exists($params[2], '__toString'))
+  ) {
+    trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
+    return false;
+  }
+  $params_input = $params[0];
+  $params_column_key = ($params[1] !== null) ? (string)$params[1] : null;
+  $params_index_key = null;
+  if(isset($params[2])) {
+    if(is_float($params[2]) || is_int($params[2])) {
+      $params_index_key = (int)$params[2];
+    } else {
+      $params_index_key = (string)$params[2];
+    }
+  }
+  $result_array = [];
+  foreach($params_input as $row) {
+    $key = $value = null;
+    $key_set = $value_set = false;
+    if($params_index_key !== null && array_key_exists($params_index_key, $row)) {
+      $key_set = true;
+      $key = (string)$row[$params_index_key];
+    }
+    if($params_column_key === null) {
+      $value_set = true;
+      $value = $row;
+    } elseif(is_array($row) && array_key_exists($params_column_key, $row)) {
+      $value_set = true;
+      $value = $row[$params_column_key];
+    }
+    if($value_set) {
+      if($key_set) {
+        $result_array[$key] = $value;
+      } else {
+        $result_array[] = $value;
+      }
+    }
+  }
+  return $result_array;
+}
diff --git a/tests/integration/Cron/Workers/BounceTest.php b/tests/integration/Cron/Workers/BounceTest.php
index aeb433e359..a88750ab1a 100644
--- a/tests/integration/Cron/Workers/BounceTest.php
+++ b/tests/integration/Cron/Workers/BounceTest.php
@@ -9,7 +9,6 @@ use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\Setting;
 use MailPoet\Models\Subscriber;
 use MailPoet\Services\Bridge\API;
-use MailPoet\Util\Helpers;
 
 require_once('BounceTestMockAPI.php');
 use MailPoet\Cron\Workers\Bounce\BounceTestMockAPI as MockAPI;
@@ -131,4 +130,4 @@ class BounceTest extends \MailPoetTest {
     \ORM::raw_execute('TRUNCATE ' . ScheduledTaskSubscriber::$_table);
     \ORM::raw_execute('TRUNCATE ' . Subscriber::$_table);
   }
-}
\ No newline at end of file
+}
diff --git a/tests/integration/Subscribers/ImportExport/Import/ImportTest.php b/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
index c1b3e5c95c..eb5f82a243 100644
--- a/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
+++ b/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
@@ -7,7 +7,6 @@ use MailPoet\Models\Subscriber;
 use MailPoet\Models\SubscriberCustomField;
 use MailPoet\Models\SubscriberSegment;
 use MailPoet\Subscribers\ImportExport\Import\Import;
-use MailPoet\Util\Helpers;
 
 class ImportTest extends \MailPoetTest {
   function _before() {
@@ -487,4 +486,4 @@ class ImportTest extends \MailPoetTest {
     \ORM::raw_execute('TRUNCATE ' . CustomField::$_table);
     \ORM::raw_execute('TRUNCATE ' . SubscriberCustomField::$_table);
   }
-}
\ No newline at end of file
+}