diff --git a/frontend/src/pages/DatabaseSchema.tsx b/frontend/src/pages/DatabaseSchema.tsx
index d717bdf..024f801 100644
--- a/frontend/src/pages/DatabaseSchema.tsx
+++ b/frontend/src/pages/DatabaseSchema.tsx
@@ -49,7 +49,7 @@ function TableNode({ data }: { data: TableInfo & Record<string, unknown> }) {
       </div>
 
       <div className="divide-y divide-gray-100">
-        {data.columns.map((col, index) => (
+        {data.columns.map((col) => (
           <div
             key={col.name}
             className="px-3 py-1.5 text-xs flex items-center gap-2 hover:bg-gray-50 cursor-default relative"