diff --git a/src/Domain/Image/Crop/CropCache.php b/src/Domain/Image/Crop/CropCache.php
index 8e726154..269a5054 100644
--- a/src/Domain/Image/Crop/CropCache.php
+++ b/src/Domain/Image/Crop/CropCache.php
@@ -4,7 +4,6 @@
 
 namespace AnzuSystems\CoreDamBundle\Domain\Image\Crop;
 
-use AnzuSystems\CoreDamBundle\Entity\ExtSystem;
 use AnzuSystems\CoreDamBundle\Entity\ImageFile;
 use AnzuSystems\CoreDamBundle\FileSystem\FileSystemProvider;
 use AnzuSystems\CoreDamBundle\FileSystem\NameGenerator\NameGenerator;
@@ -60,7 +59,7 @@ public function get(ImageFile $image, ImageCropDto $imageCrop): string
     public function removeCache(ImageFile $image): void
     {
         $this->removeCacheByOriginFilePath(
-            $image->getExtSystem(),
+            $image->getExtSystem()->getSlug(),
             $image->getAssetAttributes()->getFilePath()
         );
     }
@@ -68,10 +67,10 @@ public function removeCache(ImageFile $image): void
     /**
      * @throws FilesystemException
      */
-    public function removeCacheByOriginFilePath(ExtSystem $extSystem, string $path): void
+    public function removeCacheByOriginFilePath(string $extSystemSlug, string $path): void
     {
         $this->fileSystemProvider
-            ->getCropFilesystemByExtSystemSlug($extSystem->getSlug())
+            ->getCropFilesystemByExtSystemSlug($extSystemSlug)
             ->deleteDirectory(
                 $this->getCacheDir($path)
             );
diff --git a/src/Event/Subscriber/AssetFileDeleteEventSubscriber.php b/src/Event/Subscriber/AssetFileDeleteEventSubscriber.php
index 64c9360c..c741e0c9 100644
--- a/src/Event/Subscriber/AssetFileDeleteEventSubscriber.php
+++ b/src/Event/Subscriber/AssetFileDeleteEventSubscriber.php
@@ -36,7 +36,7 @@ public function deleteAssetFile(AssetFileDeleteEvent $event): void
         if ($event->getType()->is(AssetType::Image)) {
             if (false === empty($event->getAssetFile()->getFilePath())) {
                 $this->cropCache->removeCacheByOriginFilePath(
-                    $event->getAssetFile()->getExtSystem(),
+                    $event->getAssetFile()->getExtSystem()->getSlug(),
                     $event->getAssetFile()->getFilePath()
                 );
             }