diff --git a/custom/Espo/Custom/Hooks/CKndigung/DocumentSync.php b/custom/Espo/Custom/Hooks/CKndigung/DocumentSync.php
deleted file mode 100644
index 2e71044a..00000000
--- a/custom/Espo/Custom/Hooks/CKndigung/DocumentSync.php
+++ /dev/null
@@ -1,75 +0,0 @@
-<?php
-
-namespace Espo\Custom\Hooks\CKndigung;
-
-use Espo\Core\Hook\Hook\AfterRelate;
-use Espo\Core\Hook\Hook\AfterUnrelate;
-use Espo\ORM\Entity;
-use Espo\ORM\Repository\Option\RelateOptions;
-use Espo\ORM\Repository\Option\UnrelateOptions;
-
-/**
- * Hook for synchronizing documents bidirectionally between Kündigung and Mietverhältnis
- * When documents are added to Kündigung, they should also be linked to the related Mietverhältnis
- */
-class DocumentSync implements AfterRelate, AfterUnrelate
-{
-    public function __construct()
-    {
-    }
-
-    /**
-     * After a document is related to Kündigung, also relate it to the linked Mietverhältnis
-     */
-    public function afterRelate(Entity $entity, string $relationName, Entity $foreignEntity, RelateOptions $options): void
-    {
-        // Only process when relating documents to Kündigung
-        if ($relationName !== 'dokumenteskuendigung') {
-            return;
-        }
-
-        // Get the related Mietverhältnis
-        $mietverhältnisList = $entity->getLinkMultipleIdList('vmhMietverhltnises');
-        if (empty($mietverhältnisList)) {
-            return;
-        }
-
-        // Get EntityManager from entity
-        $entityManager = $entity->getEntityManager();
-        
-        // Link the document to the Mietverhältnis
-        foreach ($mietverhältnisList as $mietverhältnisId) {
-            $mietverhältnis = $entityManager->getEntityById('CVmhMietverhltnis', $mietverhältnisId);
-            if (!$mietverhältnis) {
-                continue;
-            }
-
-            // Link document to Mietverhältnis if not already linked
-            $repository = $entityManager->getRDBRepositoryByClass('CVmhMietverhltnis');
-            $isRelated = $repository->getRelation($mietverhältnis, 'dokumentesvmhMietverhltnisse')
-                ->isRelatedById($foreignEntity->getId());
-            
-            if (!$isRelated) {
-                $repository->getRelation($mietverhältnis, 'dokumentesvmhMietverhltnisse')
-                    ->relateById($foreignEntity->getId());
-            }
-        }
-    }
-
-    /**
-     * After a document is unrelated from Kündigung, optionally unrelate from Mietverhältnis
-     * Note: We don't automatically unrelate from Mietverhältnis because the document might
-     * have been added to Mietverhältnis independently
-     */
-    public function afterUnrelate(Entity $entity, string $relationName, Entity $foreignEntity, UnrelateOptions $options): void
-    {
-        // Only process when unrelating documents from Kündigung
-        if ($relationName !== 'dokumenteskuendigung') {
-            return;
-        }
-
-        // Note: We intentionally do NOT remove documents from Mietverhältnis
-        // because they might have been added there independently.
-        // Users must manually remove documents from Mietverhältnis if needed.
-    }
-}
diff --git a/data/config.php b/data/config.php
index 1734caec..8ba3ffc2 100644
--- a/data/config.php
+++ b/data/config.php
@@ -360,8 +360,8 @@ return [
     0 => 'youtube.com',
     1 => 'google.com'
   ],
-  'cacheTimestamp' => 1769338296,
-  'microtime' => 1769338296.697606,
+  'cacheTimestamp' => 1769339551,
+  'microtime' => 1769339551.259917,
   'siteUrl' => 'https://crm.bitbylaw.com',
   'fullTextSearchMinLength' => 4,
   'appTimestamp' => 1768843902,