diff --git a/frontend/src/components/agents/knowledge-base/agent-knowledge-base-manager.tsx b/frontend/src/components/agents/knowledge-base/agent-knowledge-base-manager.tsx
index 92e1a438..37418fc8 100644
--- a/frontend/src/components/agents/knowledge-base/agent-knowledge-base-manager.tsx
+++ b/frontend/src/components/agents/knowledge-base/agent-knowledge-base-manager.tsx
@@ -9,17 +9,14 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@
 import { Badge } from '@/components/ui/badge';
 import { Skeleton } from '@/components/ui/skeleton';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import { CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { 
   Plus, 
   Edit2, 
   Trash2, 
   Clock, 
-  MoreVertical,
   AlertCircle,
   FileText,
-  Eye,
-  EyeOff,
   Globe,
   Search,
   Loader2,
@@ -35,13 +32,6 @@ import {
   PenTool,
   X
 } from 'lucide-react';
-import { 
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuSeparator,
-  DropdownMenuTrigger,
-} from '@/components/ui/dropdown-menu';
 import {
   AlertDialog,
   AlertDialogAction,