diff --git a/certificates/abnamro-2021-10-01-2026-09-30.cer b/certificates/abnamro-2021-10-01-2026-09-30.cer
deleted file mode 100644
index 5921ff1e..00000000
--- a/certificates/abnamro-2021-10-01-2026-09-30.cer
+++ /dev/null
@@ -1,24 +0,0 @@
------BEGIN CERTIFICATE-----
-MIID9DCCAtygAwIBAgIGAXwNHAEPMA0GCSqGSIb3DQEBCwUAMIGdMQswCQYDVQQG
-EwJGUjEbMBkGA1UECBMSTm9yZC1QYXMtZGUtQ2FsYWlzMQ8wDQYDVQQHEwZTZWNs
-aW4xIzAhBgNVBAsTGmlERUFMIE1lcmNoYW50IFhNTCBzaWduaW5nMREwDwYDVQQK
-EwhBQk4gQW1ybzEoMCYGA1UEAxMfV29ybGRsaW5lIG9uIGJlaGFsZiBvZiBBQk4g
-QW1ybzAeFw0yMTA5MzAyMjAwMDBaFw0yNjA5MjkyMjAwMDBaMIGdMQswCQYDVQQG
-EwJGUjEbMBkGA1UECBMSTm9yZC1QYXMtZGUtQ2FsYWlzMQ8wDQYDVQQHEwZTZWNs
-aW4xIzAhBgNVBAsTGmlERUFMIE1lcmNoYW50IFhNTCBzaWduaW5nMREwDwYDVQQK
-EwhBQk4gQW1ybzEoMCYGA1UEAxMfV29ybGRsaW5lIG9uIGJlaGFsZiBvZiBBQk4g
-QW1ybzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJMIUtFdaZrny6Ks
-axquGmVrBTcx6kTEWmtkbLCO3dHbFlpJRdH1OxA/LfGFgRnCw3TeoAtvF3t6Dgvv
-8G/d6L0pOE31Qvx7hIshLsqlTOKckQ2S1ZcI5QeT0K2ZqIqrsxudZHFq3ow3x/tt
-6Kg6pLYQr2ZBT7j/2ZAdJ62sjokflVBGLQdDhCXmIlv3McgtRrsorQsUsRJzIOte
-CBk84yjB4LmY1C69g93dXW2wF7PQAHBaqVbLs3BrdzlxekfcPjDnHviNqKWl4B/H
-3/V9RjnsM+Gkgrgl68TseRJiEi7esgbGy9QP09+7WUgRuPUbx7Oak8jkuAEeeUmP
-WFS8tX0CAwEAAaM4MDYwDAYDVR0TAQH/BAIwADAOBgNVHQ8BAf8EBAMCBaAwFgYD
-VR0lAQH/BAwwCgYIKwYBBQUHAwEwDQYJKoZIhvcNAQELBQADggEBAFdoZxj3cc7k
-VygtGpI34iPncpJeA1ONnt+7nR3YXHNrZC3R2gwXGzYwSlk1AjxpZytxWJXPGk+S
-mvF37PhlOfqWlo1Acvd49wsGb7YRx7FZmVZMAjkn1ceYw5TQ1q+NjTdttNLe5XVl
-GhKFQQXNt7e1iCYiyUC+4S3gupSX/8EgCEv9Ax6jcBtnhKdK+rX3RbPUy7/DTJ1K
-NNmAsOdKGxHoDt1204VGwGGqF4M32HkFs9E60aKOfbNomkYwo1+UVNojk6Ryu8aV
-+Hl6/t8wHWk6GCaEKmI2+M2mBfF88EHK4TLFeLo2ierdlNvkhlL855BC0kM2yQ/z
-WJ5+OiQUEyY=
------END CERTIFICATE-----
diff --git a/pronamic-ideal.php b/pronamic-ideal.php
index 25dc9cc0..76c6d6a3 100755
--- a/pronamic-ideal.php
+++ b/pronamic-ideal.php
@@ -142,8 +142,6 @@ function ( $value, $post_id, $meta_key, $single ) {
 		$mode = get_post_meta( $post_id, '_pronamic_gateway_mode', true );
 
 		switch ( $value ) {
-			case 'abnamro-ideal-zelfbouw-v3':
-				return ( 'test' === $mode ) ? 'abnamro-ideal-zelfbouw-test' : 'abnamro-ideal-zelfbouw';
 			case 'adyen':
 				return ( 'test' === $mode ) ? 'adyen-test' : 'adyen';
 			case 'buckaroo':
@@ -183,39 +181,6 @@ function ( $value, $post_id, $meta_key, $single ) {
 add_filter(
 	'pronamic_pay_gateways',
 	function ( $gateways ) {
-		// ABN AMRO - iDEAL Zelfbouw.
-		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3\Integration(
-			[
-				'id'            => 'abnamro-ideal-zelfbouw',
-				'name'          => 'ABN AMRO - iDEAL Zelfbouw',
-				'mode'          => 'live',
-				'provider'      => 'abnamro',
-				'url'           => 'https://ecommerce.abnamro.nl/',
-				'product_url'   => 'https://www.abnamro.nl/nl/zakelijk/betalen/online-betalen/betaaloplossing/',
-				'dashboard_url' => 'https://ecommerce.abnamro.nl/',
-				'acquirer_url'  => 'https://ecommerce.abnamro.nl/ideal/iDEALv3',
-				'certificates'  => [
-					__DIR__ . '/certificates/abnamro-2021-10-01-2026-09-30.cer',
-				],
-			]
-		);
-
-		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\IDealAdvancedV3\Integration(
-			[
-				'id'            => 'abnamro-ideal-zelfbouw-test',
-				'name'          => 'ABN AMRO - iDEAL Zelfbouw - Test',
-				'mode'          => 'test',
-				'provider'      => 'abnamro',
-				'url'           => 'https://ecommerce-test.abnamro.nl/',
-				'product_url'   => 'https://www.abnamro.nl/nl/zakelijk/betalen/online-betalen/betaaloplossing/',
-				'dashboard_url' => 'https://ecommerce-test.abnamro.nl/',
-				'acquirer_url'  => 'https://ecommerce-test.abnamro.nl/ideal/iDEALv3',
-				'certificates'  => [
-					__DIR__ . '/certificates/abnamro-2021-10-01-2026-09-30.cer',
-				],
-			]
-		);
-
 		// Buckaroo.
 		$gateways[] = new \Pronamic\WordPress\Pay\Gateways\Buckaroo\Integration(
 			[