diff --git a/certificates/rabobank-2021-10-01-2026-09-30.cer b/certificates/rabobank-2021-10-01-2026-09-30.cer
deleted file mode 100644
index 4e67834f..00000000
--- a/certificates/rabobank-2021-10-01-2026-09-30.cer
+++ /dev/null
@@ -1,24 +0,0 @@
------BEGIN CERTIFICATE-----
-MIID9DCCAtygAwIBAgIGAXwNLwRkMA0GCSqGSIb3DQEBCwUAMIGdMQswCQYDVQQG
-EwJGUjEbMBkGA1UECBMSTm9yZC1QYXMtZGUtQ2FsYWlzMQ8wDQYDVQQHEwZTZWNs
-aW4xIzAhBgNVBAsTGmlERUFMIE1lcmNoYW50IFhNTCBzaWduaW5nMREwDwYDVQQK
-EwhSYWJvYmFuazEoMCYGA1UEAxMfV29ybGRsaW5lIG9uIGJlaGFsZiBvZiBSYWJv
-YmFuazAeFw0yMTA5MzAyMjAwMDBaFw0yNjA5MjkyMjAwMDBaMIGdMQswCQYDVQQG
-EwJGUjEbMBkGA1UECBMSTm9yZC1QYXMtZGUtQ2FsYWlzMQ8wDQYDVQQHEwZTZWNs
-aW4xIzAhBgNVBAsTGmlERUFMIE1lcmNoYW50IFhNTCBzaWduaW5nMREwDwYDVQQK
-EwhSYWJvYmFuazEoMCYGA1UEAxMfV29ybGRsaW5lIG9uIGJlaGFsZiBvZiBSYWJv
-YmFuazCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKhKLJuX+yuX0adM
-tCe5MTUp8odJ4ZGcHtmkHCC2Q2vpijlLw6Lb77z+nPWH0kIZsc7Yp2C56WgjwR3I
-bHKRrWRXhztShQ+KlL9e0WoScs+wIaUPGnUT6FKD6x1n6gDvP8xVgmwT+bbpa3bJ
-GUaPR0uEHQAgFyytD2mNfUqg8CXYqM1a6jpI8cS7vRbr5dt0FUno+jXuVc8KfiNF
-zb4PzWV1MeremnDXz47K0k37e88m5gBXbzOrRFTAhtZqo6hSp7pU8KqLxTnHdQZq
-ZdX4Nh1CzbN8fZP4ZY33XI0UuKirPC0byvoYwGs5OAn+8rXe9F86kGGq7FihpM2C
-0A28MGkCAwEAAaM4MDYwDAYDVR0TAQH/BAIwADAOBgNVHQ8BAf8EBAMCBaAwFgYD
-VR0lAQH/BAwwCgYIKwYBBQUHAwEwDQYJKoZIhvcNAQELBQADggEBACxRds7SriJb
-dJy6TYeEplRVsam++bF4uKYEK2Ln18ArxKZSHngD0Fi+i+b0fXwm99+QwhHL8/8J
-BZkL3V19JBSVsBV1OYdhoUN9EmqC4N5s7T6eaxEaB4B2yiXUUVyFMJvGYble8HA5
-r6WZVGK7U/9wP4InR+8x7KBPGcN/FVD7+0CagaYP0CoCmzTLwTTBjORNMsvNFbdI
-ZKkoIbp2W6kUIU5cg0lm/hh2HJJlD6LuUQRhDbcOgiLPp8N1acnOb5bf/GtyzPs0
-3P0fftn0P4IZwV0WbsrkM0LJX6T+Q6J0eOj3wIz/hPXE7aXB3y0lYLatavtNCpAD
-k7qXO2ckz8c=
------END CERTIFICATE-----
diff --git a/pronamic-ideal.php b/pronamic-ideal.php
index 76c6d6a3..298bda3e 100755
--- a/pronamic-ideal.php
+++ b/pronamic-ideal.php
@@ -162,8 +162,6 @@ function ( $value, $post_id, $meta_key, $single ) {
 				return ( 'test' === $mode ) ? 'ingenico-orderstandard-test' : 'ingenico-orderstandard';
 			case 'paypal':
 				return ( 'test' === $mode ) ? 'paypal-sandbox' : 'paypal';
-			case 'rabobank-ideal-professional-v3':
-				return ( 'test' === $mode ) ? 'rabobank-ideal-professional-test' : 'rabobank-ideal-professional';
 			case 'rabobank-omnikassa-2':
 				return ( 'test' === $mode ) ? 'rabobank-omnikassa-2-sandbox' : 'rabobank-omnikassa-2';
 			case 'sisow-ideal':
@@ -422,39 +420,6 @@ function ( $gateways ) {
 		// Pay.nl.
 		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\PayNL\Integration();
 
-		// Rabobank - iDEAL Professional.
-		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3\Integration(
-			[
-				'id'            => 'rabobank-ideal-professional',
-				'name'          => 'Rabobank - iDEAL Professional',
-				'mode'          => 'live',
-				'provider'      => 'rabobank',
-				'product_url'   => 'https://www.rabobank.nl/bedrijven/betalen/geld-ontvangen/ideal-professional/',
-				'manual_url'    => __( 'https://www.pronamicpay.com/en/manuals/how-to-connect-rabobank-ideal-professional-v3-to-wordpress-with-pronamic-pay/', 'pronamic-ideal' ),
-				'dashboard_url' => 'https://ideal.rabobank.nl/',
-				'acquirer_url'  => 'https://ideal.rabobank.nl/ideal/iDEALv3',
-				'certificates'  => [
-					__DIR__ . '/certificates/rabobank-2021-10-01-2026-09-30.cer',
-				],
-			]
-		);
-
-		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3\Integration(
-			[
-				'id'            => 'rabobank-ideal-professional-test',
-				'name'          => 'Rabobank - iDEAL Professional - Test',
-				'mode'          => 'test',
-				'provider'      => 'rabobank',
-				'product_url'   => 'https://www.rabobank.nl/bedrijven/betalen/geld-ontvangen/ideal-professional/',
-				'manual_url'    => __( 'https://www.pronamicpay.com/en/manuals/how-to-connect-rabobank-ideal-professional-v3-to-wordpress-with-pronamic-pay/', 'pronamic-ideal' ),
-				'dashboard_url' => 'https://idealtest.rabobank.nl/',
-				'acquirer_url'  => 'https://idealtest.rabobank.nl/ideal/iDEALv3',
-				'certificates'  => [
-					__DIR__ . '/certificates/rabobank-2021-10-01-2026-09-30.cer',
-				],
-			]
-		);
-
 		// Sisow.
 		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\Buckaroo\Integration(
 			[