diff --git a/cron.php b/cron.php
index 747d07a..b05bc3f 100644
--- a/cron.php
+++ b/cron.php
@@ -109,13 +109,27 @@ function run__cronjobs_cache_cleanup() {
 			unlink($cache_dir.'/'.$fl);
 		}
 	}
-	$dir = $GLOBALS['appconf']['data_dir'].'/cron/db';
+	$crondb_dir = $GLOBALS['appconf']['data_dir'].'/cron/db';
+	foreach (scandir($crondb_dir) as $fl) {
+		if (in_array($fl, ['.','..']))
+			continue;
+		$cron_file = $crondb_dir.'/'.$fl;
+		$data = @unserialize(file_get_contents($cron_file));
+		if ($data === false || !isset($data['last_accessed']))
+			continue;
+		$ms = time() - $data['last_accessed'];
+		$days_diff = intval($ms / 60 / 60 / 24);
+		if ($days_diff >= 7) {
+			logi('CACHE-CLEANUP remove cron/db cache creator file: '.$fl);
+			unlink($cron_file);
+		}
+	}
 	foreach ($others as $fl) {
 		$ps = explode(',',$fl);
 		if (count($ps) === 2 && $ps[1] === 'always') {
 			$id = $ps[0];
 			$contains = false;
-			foreach (scandir($dir) as $f) {
+			foreach (scandir($crondb_dir) as $f) {
 				if (in_array($f, ['.','..']))
 					continue;
 				if (strpos($f, ','.$id.',') !== false) {