diff --git a/backend/setup.sh b/backend/setup.sh
index ec48ee693..738f3d709 100755
--- a/backend/setup.sh
+++ b/backend/setup.sh
@@ -73,12 +73,7 @@ load_dynamic_credentials() {
         interactive_credentials_setup
     fi
     
-    # Credentials als readonly setzen
-    readonly MYP_SECRET_KEY MYP_MAIN_PASSWORD MYP_SSH_PASSWORD MYP_ADMIN_EMAIL
-    readonly MYP_TAPO_EMAIL MYP_TAPO_PASSWORD MYP_ROUTER_USER MYP_ROUTER_PASSWORD
-    readonly MYP_GITHUB_CLIENT_ID MYP_GITHUB_CLIENT_SECRET
-    
-    success "✅ Dynamische Credentials geladen und fixiert"
+    success "✅ Dynamische Credentials geladen"
 }
 
 # Funktion: Interaktive Credentials-Einrichtung