diff --git a/src/types/api/v1.ts b/src/types/api/v1.ts
deleted file mode 100644
index d8c2e33..0000000
--- a/src/types/api/v1.ts
+++ /dev/null
@@ -1,61 +0,0 @@
-export interface ApiResponse<T> {
-  success: boolean;
-  data: T;
-  meta: {
-    version: string;
-    timestamp: string;
-    requestId: string;
-  };
-}
-
-export interface PaginatedResponse<T> extends ApiResponse<T[]> {
-  pagination: {
-    page: number;
-    limit: number;
-    total: number;
-    totalPages: number;
-  };
-}
-
-export interface CourseSummaryV1 {
-  id: string;
-  title: string;
-  description: string | null;
-  difficulty: string;
-  enrolledCount: number;
-  isEnrolled: boolean;
-}
-
-export interface CourseDetailV1 extends CourseSummaryV1 {
-  modules: {
-    id: string;
-    title: string;
-    description: string | null;
-    orderIndex: number;
-  }[];
-}
-
-export interface UserProgressV1 {
-  coursesEnrolled: number;
-  coursesCompleted: number;
-  quizzesPassed: number;
-  rewardsEarned: number;
-  totalPoints: number;
-}
-
-export interface RewardHistoryEntryV1 {
-  id: string;
-  quizId: string;
-  score: number;
-  amount: string;
-  status: string;
-  createdAt: string;
-}
-
-export interface CredentialV1 {
-  id: string;
-  courseId: string;
-  courseName: string;
-  issuedAt: string;
-  transactionHash: string | null;
-}