diff --git a/package.json b/package.json
index 5c2483b..d58b882 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@octocloud/core",
-  "version": "1.0.55",
+  "version": "1.0.56",
   "license": "ISC",
   "author": "",
   "exports": {
diff --git a/src/index.ts b/src/index.ts
index 8213353..caf2fa3 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -26,7 +26,6 @@ export * from './models/SubRequestRetryData';
 export * from './models/UnitItemsHelper';
 export * from './models/DefaultResponseHandler';
 export * from './models/PhoneParser';
-export * from './models/FinanceHelper';
 
 export * from './services/DataGenerationService';
 
diff --git a/src/models/FinanceHelper.ts b/src/models/FinanceHelper.ts
deleted file mode 100644
index 48b2cfb..0000000
--- a/src/models/FinanceHelper.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-export class FinanceHelper {
-  public bankersRounding(value: number, decimalPlaces?: number): number {
-    const m = 10 ** (decimalPlaces || 0);
-    const n = +(decimalPlaces ? value * m : value).toFixed(8);
-    const i = Math.floor(n);
-    const f = n - i;
-    const e = 1e-8;
-    const r = f > 0.5 - e && f < 0.5 + e ? (i % 2 === 0 ? i : i + 1) : Math.round(n);
-    return decimalPlaces ? r / m : r;
-  }
-}
diff --git a/src/models/__tests__/FinanceHelper.test.ts b/src/models/__tests__/FinanceHelper.test.ts
deleted file mode 100644
index cc8a967..0000000
--- a/src/models/__tests__/FinanceHelper.test.ts
+++ /dev/null
@@ -1,36 +0,0 @@
-import { describe, expect, it } from 'vitest';
-import { FinanceHelper } from '../FinanceHelper';
-
-describe('FinanceHelper', () => {
-  const financeHelper = new FinanceHelper();
-
-  describe('bankersRounding', () => {
-    it('should round the value using bankers rounding', () => {
-      // Test case 1
-      expect(financeHelper.bankersRounding(1.4)).toBe(1);
-
-      // Test case 2
-      expect(financeHelper.bankersRounding(1.5)).toBe(2);
-
-      // Test case 3
-      expect(financeHelper.bankersRounding(1.6)).toBe(2);
-
-      // Test case 4
-      expect(financeHelper.bankersRounding(2.5)).toBe(2);
-
-      // Test case 5
-      expect(financeHelper.bankersRounding(2.6)).toBe(3);
-    });
-
-    it('should round the value to the specified decimal places', () => {
-      // Test case 6
-      expect(financeHelper.bankersRounding(1.23456789, 2)).toBe(1.23);
-
-      // Test case 7
-      expect(financeHelper.bankersRounding(1.23556789, 2)).toBe(1.24);
-
-      // Test case 8
-      expect(financeHelper.bankersRounding(1.23656789, 2)).toBe(1.24);
-    });
-  });
-});