diff --git a/src/Admin/AdminModule.php b/src/Admin/AdminModule.php
index ec01d6f6..6e651b10 100644
--- a/src/Admin/AdminModule.php
+++ b/src/Admin/AdminModule.php
@@ -74,13 +74,6 @@ class AdminModule {
 	 */
 	public $health;
 
-	/**
-	 * Admin notices page.
-	 *
-	 * @var AdminNotices
-	 */
-	public $notices;
-
 	/**
 	 * Admin reports page.
 	 *
@@ -126,7 +119,6 @@ public function __construct( Plugin $plugin ) {
 		$this->settings  = new AdminSettings( $plugin );
 		$this->dashboard = new AdminDashboard();
 		$this->health    = new AdminHealth( $plugin );
-		$this->notices   = new AdminNotices();
 		$this->reports   = new AdminReports( $plugin );
 		$this->tour      = new AdminTour( $plugin );
 
diff --git a/src/Admin/AdminNotices.php b/src/Admin/AdminNotices.php
deleted file mode 100644
index dba6dace..00000000
--- a/src/Admin/AdminNotices.php
+++ /dev/null
@@ -1,155 +0,0 @@
-<?php
-/**
- * Admin Notices
- *
- * @author    Pronamic <info@pronamic.eu>
- * @copyright 2005-2023 Pronamic
- * @license   GPL-3.0-or-later
- * @package   Pronamic\WordPress\Pay\Admin
- */
-
-namespace Pronamic\WordPress\Pay\Admin;
-
-use Pronamic\WordPress\Pay\Plugin;
-
-/**
- * WordPress admin notices
- *
- * @author Remco Tolsma
- * @version 2.2.6
- * @since 3.7.0
- */
-class AdminNotices {
-	/**
-	 * Construct admin notices.
-	 *
-	 * @link https://github.com/woothemes/woocommerce/blob/2.4.3/includes/admin/class-wc-admin-notices.php
-	 */
-	public function __construct() {
-		// Actions.
-		add_action( 'admin_init', [ $this, 'admin_init' ] );
-		add_action( 'admin_notices', [ $this, 'admin_notices' ], 11 );
-	}
-
-	/**
-	 * Admin notices.
-	 *
-	 * @link https://github.com/WordPress/WordPress/blob/4.3.1/wp-admin/admin-header.php#L245-L250
-	 * @return void
-	 */
-	public function admin_notices() {
-		// Show notices only to options managers (administrators).
-		if ( ! current_user_can( 'manage_options' ) ) {
-			return;
-		}
-
-		// Jetpack.
-		$screen = get_current_screen();
-
-		if ( null !== $screen && 'jetpack' === $screen->parent_base ) {
-			return;
-		}
-
-		$this->removed_support_notices();
-	}
-
-	/**
-	 * Removed support notices.
-	 *
-	 * @link https://github.com/pronamic/wp-pronamic-pay/issues/293
-	 * @return void
-	 */
-	private function removed_support_notices() {
-		$notifications = [];
-
-		/**
-		 * Filters the removed extensions notifications.
-		 *
-		 * @param AdminNotification[] $notifications Notifications for removed extensions.
-		 */
-		$notifications = \apply_filters( 'pronamic_pay_removed_extension_notifications', $notifications );
-
-		foreach ( $notifications as $notification ) {
-			$this->removed_support_notice( $notification );
-		}
-	}
-
-	/**
-	 * Removed support notice.
-	 *
-	 * @param AdminNotification $notification Notification.
-	 * @return void
-	 */
-	private function removed_support_notice( $notification ) {
-		if ( ! $notification->is_met() ) {
-			return;
-		}
-
-		$is_dismissed = (bool) \get_user_option( 'pronamic_pay_dismissed_notification:' . $notification->get_id(), \get_current_user_id() );
-
-		if ( true === $is_dismissed ) {
-			return;
-		}
-
-		$dismiss_notification_url = \add_query_arg( 'pronamic_pay_dismiss_notification', $notification->get_id() );
-		$dismiss_notification_url = \wp_nonce_url( $dismiss_notification_url, 'pronamic_pay_dismiss_notification:' . $notification->get_id(), 'pronamic_pay_dismiss_notification_nonce' );
-
-		?>
-		<div class="error notice is-dismissible">
-			<p>
-				<strong><?php esc_html_e( 'Pronamic Pay', 'pronamic_ideal' ); ?></strong> —
-				<?php echo \esc_html( $notification->get_message() ); ?>
-			</p>
-
-			<a href="<?php echo \esc_url( $dismiss_notification_url ); ?>" class="notice-dismiss"><span class="screen-reader-text"><?php \esc_html_e( 'Dismiss this notice.', 'pronamic_ideal' ); ?></span></a>
-		</div>
-		<?php
-	}
-
-	/**
-	 * Maybe dismiss notification.
-	 *
-	 * @link https://github.com/woocommerce/woocommerce/blob/c3405cf06f7ddea3aad2185dc8541955853c2575/plugins/woocommerce/includes/admin/class-wc-admin-notices.php#L160-L181
-	 * @return void
-	 */
-	public function admin_init() {
-		if ( ! \array_key_exists( 'pronamic_pay_dismiss_notification', $_GET ) ) {
-			return;
-		}
-
-		if ( ! \array_key_exists( 'pronamic_pay_dismiss_notification_nonce', $_GET ) ) {
-			return;
-		}
-
-		$id    = \sanitize_text_field( \wp_unslash( $_GET['pronamic_pay_dismiss_notification'] ) );
-		$nonce = \sanitize_text_field( \wp_unslash( $_GET['pronamic_pay_dismiss_notification_nonce'] ) );
-
-		if ( ! \wp_verify_nonce( $nonce, 'pronamic_pay_dismiss_notification:' . $id ) ) {
-			\wp_die( \esc_html__( 'Action failed. Please refresh the page and retry.', 'pronamic_ideal' ) );
-		}
-
-		if ( ! \current_user_can( 'manage_options' ) ) {
-			\wp_die( \esc_html__( 'You don’t have permission to do this.', 'pronamic_ideal' ) );
-		}
-
-		$result = \update_user_option( \get_current_user_id(), 'pronamic_pay_dismissed_notification:' . $id, true );
-
-		if ( false === $result ) {
-			\wp_die( \esc_html__( 'Action failed. Please refresh the page and retry.', 'pronamic_ideal' ) );
-		}
-
-		// Redirect.
-		$url = \add_query_arg(
-			[
-				'pronamic_pay_dismiss_notification'       => false,
-				'pronamic_pay_dismiss_notification_nonce' => false,
-				'pronamic_pay_dismissed_notification'     => $id,
-			],
-			\wp_get_referer()
-		);
-
-		\wp_safe_redirect( $url );
-
-		exit;
-	}
-}