diff --git a/htdocs/wp-content/themes/hollandskroon/src/Commands/PronamicIdealCleanupCommand.php b/htdocs/wp-content/themes/hollandskroon/src/Commands/PronamicIdealCleanupCommand.php
new file mode 100644
index 0000000..31095ad
--- /dev/null
+++ b/htdocs/wp-content/themes/hollandskroon/src/Commands/PronamicIdealCleanupCommand.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace HK\Commands;
+
+use \WP_CLI;
+use \WP_CLI\ExitException;
+
+class PronamicIdealCleanupCommand
+{
+	/**
+	 * @throws \JsonException
+	 * @throws ExitException
+	 */
+	public function __invoke($args, $assoc_args)
+	{
+		$paged = 1;
+		$postsPerPage = 100;
+
+		do {
+			// Get fulfilled payments older than 5 days in batches of 100
+			$payments = new \WP_Query([
+				'post_type'      => 'pronamic_payment',
+				'post_status'    => 'payment_completed',
+				'posts_per_page' => $postsPerPage,
+				'paged'          => $paged,
+				'date_query'     => [
+					'before' => '5 days ago',
+				],
+			]);
+
+			if (!$payments->have_posts()) {
+				WP_CLI::success('No fulfilled payments found to clean up.');
+			}
+
+			foreach ($payments->posts as $payment) {
+				if (!wp_delete_post($payment->ID, true)) {
+					WP_CLI::warning('Failed to delete post with ID: ' . $payment->ID);
+				}
+			}
+
+			$paged++;
+		} while ($payments->have_posts());
+
+		WP_CLI::success('Pronamic fulfilled payments cleaned up successfully.');
+	}
+}
\ No newline at end of file
diff --git a/htdocs/wp-content/themes/hollandskroon/src/Providers/CommandServiceProvider.php b/htdocs/wp-content/themes/hollandskroon/src/Providers/CommandServiceProvider.php
new file mode 100644
index 0000000..737d7ed
--- /dev/null
+++ b/htdocs/wp-content/themes/hollandskroon/src/Providers/CommandServiceProvider.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace HK\Providers;
+
+use HK\Commands\PronamicIdealCleanupCommand;
+
+class CommandServiceProvider
+{
+	/**
+	 * @throws \Exception
+	 */
+	public function boot()
+	{
+		if (defined('WP_CLI') && WP_CLI) {
+			\WP_CLI::add_command('pronamic:cleanup', PronamicIdealCleanupCommand::class);
+		}
+	}
+}