diff --git a/webshop/admin.py b/webshop/admin.py
index d6bc091..42990e5 100644
--- a/webshop/admin.py
+++ b/webshop/admin.py
@@ -17,7 +17,7 @@ from products.models import (
 )
 from shop.models import (
     Category, ProductType, ProductImage, ProductVariant, 
-    CustomDesign, PayPalPayment, PaymentError
+    CustomDesign, PayPalPayment, PaymentError, Cart, CartItem
 )
 from chat.models import (
     ChatRoom, ChatMessage, UserOnlineStatus, QuickResponse, ChatAnalytics
@@ -275,11 +275,15 @@ class ChatRoomAdmin(admin.ModelAdmin):
 
 @admin.register(ChatMessage, site=admin_site)
 class ChatMessageAdmin(admin.ModelAdmin):
-    list_display = ('chat_room', 'sender', 'message_type', 'content_preview', 'created_at')
+    list_display = ('room', 'sender', 'message_type', 'content_preview', 'created_at')
     list_filter = ('message_type', 'created_at')
     search_fields = ('content', 'sender__username')
     ordering = ('-created_at',)
     readonly_fields = ('created_at',)
+    
+    def content_preview(self, obj):
+        return obj.content[:50] + "..." if len(obj.content) > 50 else obj.content
+    content_preview.short_description = 'Inhalt'
 
 
 @admin.register(QuickResponse, site=admin_site)
@@ -421,10 +425,6 @@ class DashboardAdmin(admin.ModelAdmin):
         return render(request, 'admin/dashboard.html', context)
 
 
-# Registriere Dashboard
-admin_site.register(DashboardAdmin, DashboardAdmin)
-
-
 # =============================================================================
 # ADMIN ACTIONS
 # =============================================================================
@@ -449,7 +449,7 @@ ProductAdmin.actions = [mark_featured, set_stock_zero]
 # ADMIN SITE REGISTRATION
 # =============================================================================
 
-# Registriere alle Modelle bei der neuen Admin Site
+# Registriere nur Modelle ohne eigene Admin-Klasse
 admin_site.register(OrderItem)
 admin_site.register(Cart)
 admin_site.register(CartItem)
@@ -459,10 +459,8 @@ admin_site.register(ProductVariant)
 admin_site.register(CustomDesign)
 admin_site.register(PayPalPayment)
 admin_site.register(PaymentError)
-admin_site.register(ChatMessage)
 admin_site.register(UserOnlineStatus)
 admin_site.register(ChatAnalytics)
-admin_site.register(RecUserProfile)
 admin_site.register(ProductSimilarity)
 admin_site.register(ABTest)
 admin_site.register(RecommendationAnalytics)