diff --git a/mailpoet/lib/Models/Newsletter.php b/mailpoet/lib/Models/Newsletter.php
index fcc0097569..c9543caec0 100644
--- a/mailpoet/lib/Models/Newsletter.php
+++ b/mailpoet/lib/Models/Newsletter.php
@@ -105,7 +105,13 @@ class Newsletter extends Model {
     );
   }
 
+  /**
+   * @deprecated This method can be removed after 2023-10-28. Make sure it is removed together with
+   * \MailPoet\Models\NewsletterOption and \MailPoet\Models\NewsletterOptionField.
+   */
   public function options() {
+    self::deprecationError(__METHOD__);
+
     return $this->hasManyThrough(
       __NAMESPACE__ . '\NewsletterOptionField',
       __NAMESPACE__ . '\NewsletterOption',
@@ -251,7 +257,13 @@ class Newsletter extends Model {
     return $this;
   }
 
+  /**
+   * @deprecated This method can be removed after 2023-10-28. Make sure it is removed together with
+   * \MailPoet\Models\NewsletterOption and \MailPoet\Models\NewsletterOptionField.
+   */
   public function withOptions() {
+    self::deprecationError(__METHOD__);
+
     $options = $this->options()->findArray();
     if (empty($options)) {
       $this->options = [];
@@ -366,4 +378,11 @@ class Newsletter extends Model {
     }
     return self::filter('filterWithOptions', $newsletter->type)->findOne($id);
   }
+
+  private static function deprecationError($methodName) {
+    trigger_error(
+      'Calling ' . esc_html($methodName) . ' is deprecated and will be removed. Use \MailPoet\Newsletter\NewslettersRepository and \MailPoet\Entities\NewsletterEntity instead.',
+      E_USER_DEPRECATED
+    );
+  }
 }
diff --git a/mailpoet/lib/Models/NewsletterOption.php b/mailpoet/lib/Models/NewsletterOption.php
index a98e252832..d01c1d0a52 100644
--- a/mailpoet/lib/Models/NewsletterOption.php
+++ b/mailpoet/lib/Models/NewsletterOption.php
@@ -9,7 +9,7 @@ namespace MailPoet\Models;
  * @property string $updatedAt
  *
  * @deprecated This model is deprecated. Use \MailPoet\Newsletter\Options\NewsletterOptionsRepository and
- * \MailPoet\Entities\NewsletterOptionEntity instead. This class can be removed after 2022-11-11.
+ * \MailPoet\Entities\NewsletterOptionEntity instead. This class can be removed after 2023-10-28.
  */
 class NewsletterOption extends Model {
   public static $_table = MP_NEWSLETTER_OPTION_TABLE; // phpcs:ignore PSR2.Classes.PropertyDeclaration
diff --git a/mailpoet/lib/Models/NewsletterOptionField.php b/mailpoet/lib/Models/NewsletterOptionField.php
index 4f74ae0981..a67a84cc8f 100644
--- a/mailpoet/lib/Models/NewsletterOptionField.php
+++ b/mailpoet/lib/Models/NewsletterOptionField.php
@@ -7,7 +7,7 @@ namespace MailPoet\Models;
  * @property string $newsletterType
  *
  * @deprecated This model is deprecated. Use \MailPoet\Newsletter\Options\NewsletterOptionFieldsRepository and
- * \MailPoet\Entities\NewsletterOptionFieldEntity instead. This class can be removed after 2022-11-11.
+ * \MailPoet\Entities\NewsletterOptionFieldEntity instead. This class can be removed after 2023-10-28.
  */
 class NewsletterOptionField extends Model {
   public static $_table = MP_NEWSLETTER_OPTION_FIELDS_TABLE; // phpcs:ignore PSR2.Classes.PropertyDeclaration