diff --git a/src/types/auth.types.ts b/src/types/auth.types.ts
index 67a1c5b..ee113b1 100644
--- a/src/types/auth.types.ts
+++ b/src/types/auth.types.ts
@@ -6,7 +6,6 @@ import { Request } from "express";
  * This file consolidates all authentication-related type definitions
  * to prevent conflicts and ensure consistency across the application.
  */
-
 /**
  * Unified user interface for authentication
  * This interface combines all user properties needed across the application
@@ -17,7 +16,6 @@ export interface AuthenticatedUser {
   role: string;
   isVerified: boolean;
 }
-
 /**
  * Unified authenticated request interface
  * Extends Express Request with user and traceId properties
@@ -26,7 +24,6 @@ export interface AuthenticatedRequest extends Request {
   user?: AuthenticatedUser;
   traceId?: string;
 }
-
 /**
  * Decoded JWT user interface (from auth middleware)
  */
@@ -38,15 +35,6 @@ export interface DecodedUser {
   iat?: number;
   exp?: number;
 }
-
-// Legacy user interface for backward compatibility
-export interface LegacyUser {
-  id: number | string;
-  role: string;
-  isVerified?: boolean;
-  email?: string;
-}
-
 /**
  * Type guard to check if user has required authentication properties
  */
@@ -59,7 +47,6 @@ export function isAuthenticatedUser(user: any): user is AuthenticatedUser {
     typeof user.isVerified === "boolean"
   );
 }
-
 /**
  * Helper function to convert DecodedUser to AuthenticatedUser
  */
@@ -73,17 +60,6 @@ export function toAuthenticatedUser(
     isVerified: decodedUser.isVerified || false,
   };
 }
-
-/**
- * Helper function to convert AuthenticatedUser to LegacyUser for backward compatibility
- */
-export const toLegacyUser = (user: AuthenticatedUser): LegacyUser => ({
-  id: user.id,
-  role: user.role,
-  isVerified: user.isVerified,
-  email: user.email,
-});
-
 // Global Express namespace extension
 declare global {
   namespace Express {