diff --git a/frontend/src/app/backtest/page.tsx b/frontend/src/app/backtest/page.tsx
index f05813c..e667959 100644
--- a/frontend/src/app/backtest/page.tsx
+++ b/frontend/src/app/backtest/page.tsx
@@ -159,10 +159,6 @@ export default function BacktestPage() {
     return value.toFixed(decimals);
   };
 
-  const formatCurrency = (value: number) => {
-    return new Intl.NumberFormat('ko-KR').format(value);
-  };
-
   if (loading) {
     return (
       <div className="min-h-screen flex items-center justify-center">