diff --git a/migrations/db/20231110154339_cron-command_cleanup_old_entries.php b/migrations/db/20231110154339_cron-command_cleanup_old_entries.php
new file mode 100644
index 0000000..282d92a
--- /dev/null
+++ b/migrations/db/20231110154339_cron-command_cleanup_old_entries.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace EE\Migration;
+
+use EE;
+use EE\Migration\Base;
+use EE\Model\Cron;
+use EE\Model\Site;
+
+class CleanupOldEntries extends Base {
+
+	public function __construct() {
+
+		parent::__construct();
+		$this->sites = Site::all();
+		if ( $this->is_first_execution || ! $this->sites ) {
+			$this->skip_this_migration = true;
+		}
+	}
+
+	/**
+	 * @throws EE\ExitException
+	 */
+	public function up() {
+
+		if ( $this->skip_this_migration ) {
+			EE::debug( 'Skipping cron-cleanup migration as it is not needed.' );
+
+			return;
+		}
+
+		$crons = Cron::all();
+
+		foreach ( $crons as $cron ) {
+			$site = Site::find( $cron->site_url );
+			if ( ! $site ) {
+				$cron->delete();
+			}
+		}
+
+		EE\Cron\Utils\update_cron_config();
+	}
+
+	/**
+	 * @throws EE\ExitException
+	 */
+	public function down() {
+
+	}
+
+}