diff --git a/src/Integration.php b/src/Integration.php
index d2ba98c..9c37b57 100644
--- a/src/Integration.php
+++ b/src/Integration.php
@@ -69,7 +69,6 @@ public function get_settings_fields() {
 		// Storename.
 		$fields[] = [
 			'section'  => 'general',
-			'filter'   => FILTER_UNSAFE_RAW,
 			'meta_key' => '_pronamic_gateway_ems_ecommerce_storename',
 			'title'    => _x( 'Storename', 'ems', 'pronamic_ideal' ),
 			'type'     => 'text',
@@ -80,7 +79,6 @@ public function get_settings_fields() {
 		// Shared secret.
 		$fields[] = [
 			'section'  => 'general',
-			'filter'   => FILTER_UNSAFE_RAW,
 			'meta_key' => '_pronamic_gateway_ems_ecommerce_secret',
 			'title'    => _x( 'Shared Secret', 'ems', 'pronamic_ideal' ),
 			'type'     => 'text',
@@ -91,10 +89,6 @@ public function get_settings_fields() {
 		// Purchase ID.
 		$fields[] = [
 			'section'     => 'advanced',
-			/**
-			 * Filter EMS order ID unsafe raw to allow double quotes.
-			 */
-			'filter'      => \FILTER_UNSAFE_RAW,
 			'meta_key'    => '_pronamic_gateway_ems_ecommerce_order_id',
 			'title'       => __( 'Order ID', 'pronamic_ideal' ),
 			'type'        => 'text',