diff --git a/frontend/src/components/common/AppShell.tsx b/frontend/src/components/common/AppShell.tsx
deleted file mode 100644
index fed43a4..0000000
--- a/frontend/src/components/common/AppShell.tsx
+++ /dev/null
@@ -1,59 +0,0 @@
-import React from 'react';
-import { User } from '../../types';
-import { UserAvatar } from './TaskFields';
-import './AppShell.css';
-
-interface AppShellProps {
-  currentUser: User;
-  users: User[];
-  children: React.ReactNode;
-}
-
-/** Header + team sidebar + main region, per the approved desktop dashboard mockup. */
-const AppShell: React.FC<AppShellProps> = ({ currentUser, users, children }) => (
-  <div className="app-shell">
-    <a className="skip-link" href="#main-content">
-      Skip to task list
-    </a>
-
-    <header className="app-header">
-      <div className="app-header-content">
-        <div className="app-logo">
-          <h1>TaskFlow</h1>
-        </div>
-        <div className="app-header-actions">
-          <div className="user-profile">
-            <UserAvatar user={currentUser} size="lg" />
-            <span className="user-name">{currentUser.full_name}</span>
-          </div>
-        </div>
-      </div>
-    </header>
-
-    <div className="app-body">
-      <aside className="app-sidebar" aria-labelledby="team-heading">
-        <div className="sidebar-section">
-          <h2 className="sidebar-heading" id="team-heading">
-            Team Members
-          </h2>
-          <ul className="team-list">
-            {users.map((user) => (
-              <li key={user.id} className="team-member">
-                <UserAvatar user={user} size="sm" />
-                <span className="member-name">{user.full_name}</span>
-                <span className="online-indicator" aria-hidden="true" />
-                <span className="sr-only">Online</span>
-              </li>
-            ))}
-          </ul>
-        </div>
-      </aside>
-
-      <main className="app-main" id="main-content">
-        {children}
-      </main>
-    </div>
-  </div>
-);
-
-export default AppShell;