If token is deleted, delete this on adyen side as well

Plugin/PaymentVaultDeleteToken.php

+<?php
+/**
+ *                       ######
+ *                       ######
+ * ############    ####( ######  #####. ######  ############   ############
+ * #############  #####( ######  #####. ######  #############  #############
+ *        ######  #####( ######  #####. ######  #####  ######  #####  ######
+ * ###### ######  #####( ######  #####. ######  #####  #####   #####  ######
+ * ###### ######  #####( ######  #####. ######  #####          #####  ######
+ * #############  #############  #############  #############  #####  ######
+ *  ############   ############  #############   ############  #####  ######
+ *                                      ######
+ *                               #############
+ *                               ############
+ *
+ * Adyen Payment module (https://www.adyen.com/)
+ *
+ * Copyright (c) 2015 Adyen BV (https://www.adyen.com/)
+ * See LICENSE.txt for license details.
+ *
+ * Author: Adyen <magento@adyen.com>
+ */
+
+namespace Adyen\Payment\Plugin;
+
+use Magento\Vault\Api\Data\PaymentTokenInterface;
+
+class PaymentVaultDeleteToken
+{
+
+    /**
+     * @var \Adyen\Payment\Model\Api\PaymentRequest
+     */
+    protected $_paymentRequest;
+
+    /**
+     * @var \Magento\Store\Model\StoreManagerInterface
+     */
+    protected $_storeManager;
+
+    /**
+     * PaymentVaultDeleteToken constructor.
+     * @param \Adyen\Payment\Model\Api\PaymentRequest $paymentRequest
+     */
+    public function __construct(
+        \Adyen\Payment\Model\Api\PaymentRequest $paymentRequest,
+        \Magento\Store\Model\StoreManagerInterface $storeManager
+    ) {
+        $this->_paymentRequest = $paymentRequest;
+        $this->_storeManager = $storeManager;
+    }
+
+    public function beforeDelete(\Magento\Vault\Api\PaymentTokenRepositoryInterface $subject, PaymentTokenInterface $paymentToken)
+    {
+        try {
+            $this->_paymentRequest->disableRecurringContract(
+                $paymentToken->getGatewayToken(),
+                $paymentToken->getCustomerId(),
+                $this->_storeManager->getStore()->getStoreId()
+            );
+        } catch(\Exception $e) {
+            throw new \Magento\Framework\Exception\LocalizedException(__('Failed to disable this contract'));
+        }
+
+    }
+
+}
\ No newline at end of file

etc/di.xml

@@ -916,4 +916,10 @@
     <preference for="Adyen\Payment\Api\GuestAdyenPaymentMethodManagementInterface" type="Adyen\Payment\Model\GuestAdyenPaymentMethodManagement" />
     <preference for="Adyen\Payment\Api\AdyenPaymentMethodManagementInterface" type="Adyen\Payment\Model\AdyenPaymentMethodManagement" />
     <preference for="Adyen\Payment\Api\AdyenRequestMerchantSessionInterface" type="Adyen\Payment\Model\AdyenRequestMerchantSession" />
+
+    <type name="Magento\Vault\Api\PaymentTokenRepositoryInterface">
+        <plugin name="AdyenPaymentVaultDeleteToken" type="Adyen\Payment\Plugin\PaymentVaultDeleteToken" sortOrder="10"/>
+    </type>
+
+
 </config>
\ No newline at end of file