diff --git a/src/routes/_authenticated/classes.$id.tsx b/src/routes/_authenticated/classes.$id.tsx
deleted file mode 100644
index 7f20572..0000000
--- a/src/routes/_authenticated/classes.$id.tsx
+++ /dev/null
@@ -1,46 +0,0 @@
-import { createFileRoute, Link } from "@tanstack/react-router";
-import { useQuery } from "@tanstack/react-query";
-import { supabase } from "@/integrations/supabase/client";
-import { useAuth } from "@/hooks/use-auth";
-import { Tabs, TabsList, TabsTrigger, TabsContent } from "@/components/ui/tabs";
-import { ArrowLeft, Lock, Loader2 } from "lucide-react";
-import { RosterManager, GradebookGrid, GradingConfigEditor } from "@/components/gradebook";
-
-export const Route = createFileRoute("/_authenticated/classes/$id")({
-  head: () => ({ meta: [{ title: "Class — School Portal" }] }),
-  component: ClassDetail,
-});
-
-function ClassDetail() {
-  const { id } = Route.useParams();
-  const { user, roles } = useAuth();
-  const isAdmin = roles.includes("admin");
-
-  const { data: cls, isLoading } = useQuery({
-    queryKey: ["class", id],
-    queryFn: async () => (await supabase.from("classes").select("*").eq("id", id).single()).data,
-  });
-  const isTeacher = !!cls && cls.teacher_id === user?.id;
-  const canEdit = isAdmin || isTeacher;
-
-  if (isLoading) return <div className="p-8"><Loader2 className="h-5 w-5 animate-spin text-muted-foreground" /></div>;
-  if (!canEdit) return <div className="p-8"><Lock className="h-6 w-6 text-muted-foreground" /><h1 className="mt-2 text-xl font-semibold">Not available</h1><p className="text-sm text-muted-foreground">You don't have access to this class.</p></div>;
-
-  return (
-    <div className="p-6 md:p-8 max-w-5xl">
-      <Link to="/classes" className="text-sm text-muted-foreground inline-flex items-center gap-1 mb-3"><ArrowLeft className="h-4 w-4" /> All classes</Link>
-      <h1 className="text-2xl font-semibold">{cls?.name}</h1>
-
-      <Tabs defaultValue="gradebook" className="mt-6">
-        <TabsList>
-          <TabsTrigger value="gradebook">Gradebook</TabsTrigger>
-          <TabsTrigger value="roster">Roster</TabsTrigger>
-          <TabsTrigger value="grading">Grading setup</TabsTrigger>
-        </TabsList>
-        <TabsContent value="gradebook" className="mt-4"><GradebookGrid classId={id} canEdit={canEdit} /></TabsContent>
-        <TabsContent value="roster" className="mt-4"><RosterManager classId={id} canAssign={isAdmin} /></TabsContent>
-        <TabsContent value="grading" className="mt-4"><GradingConfigEditor classId={id} /></TabsContent>
-      </Tabs>
-    </div>
-  );
-}