diff --git a/application/forms/EventRuleConfigElements/ConfigProvider.php b/application/forms/EventRuleConfigElements/ConfigProvider.php
deleted file mode 100644
index 93ca37653..000000000
--- a/application/forms/EventRuleConfigElements/ConfigProvider.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/* Icinga Notifications Web | (c) 2025 Icinga GmbH | GPLv2 */
-
-namespace Icinga\Module\Notifications\Forms\EventRuleConfigElements;
-
-use ipl\Html\Attributes;
-
-/**
- * @internal This trait is only intended for use by the {@see EventRuleConfigForm} classes.
- */
-trait ConfigProvider
-{
-    /** @var ?ConfigProviderInterface The config provider */
-    protected ?ConfigProviderInterface $provider = null;
-
-    /**
-     * Set the config provider to use
-     *
-     * @param ConfigProviderInterface $provider
-     *
-     * @return void
-     */
-    public function setProvider(ConfigProviderInterface $provider): void
-    {
-        $this->provider = $provider;
-    }
-
-    protected function registerAttributeCallbacks(Attributes $attributes): void
-    {
-        $attributes->registerAttributeCallback('provider', null, $this->setProvider(...));
-
-        parent::registerAttributeCallbacks($attributes);
-    }
-}
diff --git a/application/forms/EventRuleConfigElements/Escalation.php b/application/forms/EventRuleConfigElements/Escalation.php
index a981e00d9..bd8eaf479 100644
--- a/application/forms/EventRuleConfigElements/Escalation.php
+++ b/application/forms/EventRuleConfigElements/Escalation.php
@@ -9,6 +9,7 @@
 use ipl\Html\FormElement\FieldsetElement;
 use ipl\Html\FormElement\SubmitButtonElement;
 use ipl\Html\HtmlElement;
+use ipl\Stdlib\Option;
 use ipl\Web\Widget\Icon;
 
 /**
@@ -22,16 +23,17 @@
  */
 class Escalation extends FieldsetElement
 {
-    use ConfigProvider {
-        registerAttributeCallbacks as protected baseRegisterAttributeCallbacks;
-    }
-
     protected $defaultAttributes = ['class' => 'escalation'];
 
+    /** @var ?ConfigProviderInterface The config provider */
+    #[Option(required: true)]
+    protected ?ConfigProviderInterface $provider = null;
+
     /** @var ?SubmitButtonElement The button to remove this escalation */
     protected ?SubmitButtonElement $removeButton = null;
 
     /** @var bool Whether the escalation can be triggered immediately */
+    #[Option]
     protected bool $immediate = false;
 
     /**
@@ -46,18 +48,6 @@ public function setRemoveButton(SubmitButtonElement $removeButton): void
         $this->removeButton = $removeButton;
     }
 
-    /**
-     * Set whether the escalation can be triggered immediately
-     *
-     * @param bool $immediate
-     *
-     * @return void
-     */
-    public function setImmediate(bool $immediate): void
-    {
-        $this->immediate = $immediate;
-    }
-
     /**
      * Prepare the escalation for display
      *
@@ -163,11 +153,4 @@ protected function assemble(): void
 
         $this->addElement('hidden', 'id');
     }
-
-    protected function registerAttributeCallbacks(Attributes $attributes): void
-    {
-        $attributes->registerAttributeCallback('immediate', null, $this->setImmediate(...));
-
-        $this->baseRegisterAttributeCallbacks($attributes);
-    }
 }
diff --git a/application/forms/EventRuleConfigElements/EscalationRecipient.php b/application/forms/EventRuleConfigElements/EscalationRecipient.php
index 5001ea39a..4c0c6211e 100644
--- a/application/forms/EventRuleConfigElements/EscalationRecipient.php
+++ b/application/forms/EventRuleConfigElements/EscalationRecipient.php
@@ -9,6 +9,7 @@
 use ipl\Html\FormElement\FieldsetElement;
 use ipl\Html\FormElement\SubmitButtonElement;
 use ipl\Html\HtmlElement;
+use ipl\Stdlib\Option;
 use ipl\Web\Widget\Icon;
 
 /**
@@ -27,10 +28,12 @@
  */
 class EscalationRecipient extends FieldsetElement
 {
-    use ConfigProvider;
-
     protected $defaultAttributes = ['class' => 'escalation-recipient'];
 
+    /** @var ?ConfigProviderInterface The config provider */
+    #[Option(required: true)]
+    protected ?ConfigProviderInterface $provider = null;
+
     /** @var ?SubmitButtonElement The button to remove this recipient */
     protected ?SubmitButtonElement $removeButton = null;
 
diff --git a/application/forms/EventRuleConfigElements/EscalationRecipients.php b/application/forms/EventRuleConfigElements/EscalationRecipients.php
index b6c087aac..7af9f4e02 100644
--- a/application/forms/EventRuleConfigElements/EscalationRecipients.php
+++ b/application/forms/EventRuleConfigElements/EscalationRecipients.php
@@ -10,6 +10,7 @@
 use ipl\Html\FormElement\FieldsetElement;
 use ipl\Html\FormElement\SubmitButtonElement;
 use ipl\Html\HtmlElement;
+use ipl\Stdlib\Option;
 use ipl\Web\Widget\Icon;
 
 /**
@@ -17,11 +18,14 @@
  */
 class EscalationRecipients extends FieldsetElement
 {
-    use ConfigProvider;
     use DynamicElements;
 
     protected $defaultAttributes = ['class' => 'escalation-recipients'];
 
+    /** @var ?ConfigProviderInterface The config provider */
+    #[Option(required: true)]
+    protected ?ConfigProviderInterface $provider = null;
+
     protected function createAddButton(): SubmitButtonElement
     {
         /** @var SubmitButtonElement $button */
diff --git a/application/forms/EventRuleConfigElements/Escalations.php b/application/forms/EventRuleConfigElements/Escalations.php
index f3defd278..d5b95e567 100644
--- a/application/forms/EventRuleConfigElements/Escalations.php
+++ b/application/forms/EventRuleConfigElements/Escalations.php
@@ -10,6 +10,7 @@
 use ipl\Html\FormElement\FieldsetElement;
 use ipl\Html\FormElement\SubmitButtonElement;
 use ipl\Html\HtmlElement;
+use ipl\Stdlib\Option;
 use ipl\Web\Widget\Icon;
 
 /**
@@ -17,11 +18,14 @@
  */
 class Escalations extends FieldsetElement
 {
-    use ConfigProvider;
     use DynamicElements;
 
     protected $defaultAttributes = ['class' => 'escalations'];
 
+    /** @var ?ConfigProviderInterface The config provider */
+    #[Option(required: true)]
+    protected ?ConfigProviderInterface $provider = null;
+
     protected function createAddButton(): SubmitButtonElement
     {
         /** @var SubmitButtonElement $button */