diff --git a/photo21/settings.py b/photo21/settings.py
index d1d4957..bfce090 100644
--- a/photo21/settings.py
+++ b/photo21/settings.py
@@ -28,7 +28,7 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 SECRET_KEY = "CHANGE ME"
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = False
 
 ALLOWED_HOSTS = [
     "127.0.0.1",
diff --git a/photologue/admin.py b/photologue/admin.py
index 467e029..272b74c 100644
--- a/photologue/admin.py
+++ b/photologue/admin.py
@@ -25,10 +25,6 @@ class GalleryAdmin(admin.ModelAdmin):
 
     get_tags.short_description = _("tags")
 
-    def get_queryset(self, request):
-        # Cette étape est correcte et essentielle
-        return super().get_queryset(request).prefetch_related("tags")
-
 
 class PhotoAdmin(admin.ModelAdmin):
     list_display = (
@@ -39,9 +35,8 @@ class PhotoAdmin(admin.ModelAdmin):
         "view_count",
         "admin_thumbnail",
         "get_owner",
-        "get_galleries"
     )
-    list_filter = ["date_added", "is_public", "owner","galleries"]
+    list_filter = ["date_added", "is_public", "owner"]
     search_fields = ["title", "slug", "caption"]
     list_per_page = 25
     prepopulated_fields = {"slug": ("title",)}
@@ -50,16 +45,6 @@ class PhotoAdmin(admin.ModelAdmin):
 
     def get_owner(self, obj):
         return obj.owner.username
-    
-    def get_queryset(self, request):
-        # Précharge les objets 'galleries' en une seule requête supplémentaire
-        return super().get_queryset(request).prefetch_related("owner",'galleries')
-    
-    def get_galleries(self, obj):
-        return ", ".join([g.title for g in obj.galleries.all()])## get all linked galeries
-    
-    get_galleries.short_description = _("Gallery")
-    get_galleries.admin_order_field = 'galleries__title'
 
     get_owner.admin_order_field = "owner"
     get_owner.short_description = _("owner")
diff --git a/photologue/models.py b/photologue/models.py
index eec4857..855eff7 100644
--- a/photologue/models.py
+++ b/photologue/models.py
@@ -15,7 +15,7 @@ from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.core.files.base import ContentFile
 from django.core.validators import RegexValidator
-from django.core.cache import cache
+from django.core.cache import caches
 from django.db import models
 from django.template.defaultfilters import slugify
 from django.urls import reverse
@@ -25,7 +25,7 @@ from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 from PIL import Image, ImageFile, ImageFilter
 
-caches = cache
+
 
 logger = logging.getLogger("photologue.models")