diff --git a/frontend/src/components/layout/Header.tsx b/frontend/src/components/layout/Header.tsx
index 34af062..70eae2b 100644
--- a/frontend/src/components/layout/Header.tsx
+++ b/frontend/src/components/layout/Header.tsx
@@ -21,7 +21,6 @@ import { ScrollArea } from '@/components/ui/scroll-area'
 import { Separator } from '@/components/ui/separator'
 import { Bell, CheckCheck, LogOut, Menu, Moon, Sun, UserCog } from 'lucide-react'
 import { useTheme } from '@/hooks/useTheme'
-import dakLogo from '@/assets/DAK_Best-Practice-768x768.png'
 
 interface HeaderProps {
   onToggleSidebar: () => void
@@ -57,11 +56,6 @@ export function Header({ onToggleSidebar }: HeaderProps) {
         <span className="sr-only">Navigation umschalten</span>
       </Button>
 
-      <div className="flex items-center gap-2">
-        <img src={dakLogo} alt="DAK Gesundheit" className="h-8 w-auto" />
-        <span className="hidden text-lg font-semibold sm:inline-block">DAK-Portal</span>
-      </div>
-
       <div className="flex-1" />
 
       {/* Dark mode toggle */}
diff --git a/frontend/src/components/layout/Sidebar.tsx b/frontend/src/components/layout/Sidebar.tsx
index 903cda9..7bb35d3 100644
--- a/frontend/src/components/layout/Sidebar.tsx
+++ b/frontend/src/components/layout/Sidebar.tsx
@@ -2,6 +2,7 @@ import { NavLink } from 'react-router-dom'
 import { useAuth } from '@/context/AuthContext'
 import { cn } from '@/lib/utils'
 import { Separator } from '@/components/ui/separator'
+import dakLogo from '@/assets/DAK_Best-Practice-768x768.png'
 import {
   LayoutDashboard,
   FolderOpen,
@@ -76,9 +77,7 @@ export function Sidebar({ className }: { className?: string }) {
   return (
     <aside className={cn('flex h-full flex-col gap-4 p-4', className)}>
       <div className="flex items-center gap-2 px-3 py-2">
-        <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-primary text-primary-foreground font-bold text-sm">
-          D
-        </div>
+        <img src={dakLogo} alt="DAK Gesundheit" className="h-8 w-auto" />
         <span className="font-semibold text-lg">DAK Portal</span>
       </div>