diff --git a/library/Director/Db/Cache/PrefetchCache.php b/library/Director/Db/Cache/PrefetchCache.php
index 905441dd..aa9f9508 100644
--- a/library/Director/Db/Cache/PrefetchCache.php
+++ b/library/Director/Db/Cache/PrefetchCache.php
@@ -3,6 +3,7 @@
 namespace Icinga\Module\Director\Db\Cache;
 
 use Icinga\Module\Director\CustomVariable\CustomVariable;
+use Icinga\Module\Director\Data\Db\DbObject;
 use Icinga\Module\Director\Db;
 use Icinga\Module\Director\Objects\IcingaObject;
 use Icinga\Module\Director\Resolver\HostServiceBlacklist;
@@ -36,6 +37,7 @@ class PrefetchCache
 
     public static function initialize(Db $db)
     {
+        self::forget();
         self::$instance = new static($db);
     }
 
@@ -60,6 +62,7 @@ class PrefetchCache
 
     public static function forget()
     {
+        DbObject::clearAllPrefetchCaches();
         self::$instance = null;
     }
 
diff --git a/library/Director/Import/Sync.php b/library/Director/Import/Sync.php
index a3d9d386..cc890e8c 100644
--- a/library/Director/Import/Sync.php
+++ b/library/Director/Import/Sync.php
@@ -19,6 +19,7 @@ use Icinga\Module\Director\Objects\SyncProperty;
 use Icinga\Module\Director\Objects\SyncRule;
 use Icinga\Module\Director\Objects\SyncRun;
 use Icinga\Exception\IcingaException;
+use Icinga\Module\Director\Repository\IcingaTemplateRepository;
 use InvalidArgumentException;
 
 class Sync
@@ -811,6 +812,8 @@ class Sync
     protected function prepareCache()
     {
         PrefetchCache::initialize($this->db);
+        IcingaTemplateRepository::clear();
+
         $ruleObjectType = $this->rule->get('object_type');
 
         $dummy = IcingaObject::createByType($ruleObjectType);