diff --git a/src/api/service/user-service/index.ts b/src/api/service/user-service/index.ts
index be48952e..eedfb72e 100644
--- a/src/api/service/user-service/index.ts
+++ b/src/api/service/user-service/index.ts
@@ -1,21 +1,29 @@
 import { api } from '@/api/core';
 import {
+  Availability,
   FollowParams,
+  GetEmailAvailabilityParams,
+  GetNickNameAvailabilityParams,
   GetUserParams,
   UpdateMePayload,
-  UpdateMyImagePayload,
   UpdateMyNotiParams,
+  UpdateMyProfileImagePayload,
   User,
 } from '@/types/service/user';
 
 export const userServiceRemote = () => ({
-  // 2. 프로필 편집
+  // 1. 사용자 팔로우
+  followUser: async (payload: FollowParams) => {
+    return api.post<void>(`/follows/${payload.followNickname}`);
+  },
+
+  // 2. 유저 프로필 변경
   updateMe: async (payload: UpdateMePayload) => {
     return api.patch<User>('/users', payload);
   },
 
-  // 3. 프로필 이미지 편집
-  updateMyImage: async (payload: UpdateMyImagePayload) => {
+  // 3. 프로필 이미지 변경
+  updateMyProfileImage: async (payload: UpdateMyProfileImagePayload) => {
     return api.patch<User>(`/users/profile-image`, payload);
   },
 
@@ -24,23 +32,23 @@ export const userServiceRemote = () => ({
     return api.patch<User>(`/users/notification/${payload.isNotificationEnabled}`);
   },
 
-  // 5. 사용자 단건 조회
+  // 5. 유저 프로필 조회
   getUser: async (payload: GetUserParams) => {
     return api.get<User>(`/users/${payload.userId}`);
   },
 
-  // 1. 사용자 팔로우
-  followUser: async (payload: FollowParams) => {
-    return api.post<void>(`/follows/${payload.followNickname}`);
+  // 6. 닉네임 중복 검사
+  getNicknameAvailability: async (params: GetNickNameAvailabilityParams) => {
+    return api.get<Availability>(`/users/nickname/availability?nickname=${params.nickName}`);
+  },
+
+  // 7. 이메일 중복 검사
+  getEmailAvailability: async (params: GetEmailAvailabilityParams) => {
+    return api.get<Availability>(`/users/email/availability?email=${params.email}`);
   },
 
-  // 6. 사용자 언팔로우
+  // 8. 사용자 언팔로우
   unfollowUser: async (payload: FollowParams) => {
     return api.delete<void>(`/follows/${payload.followNickname}`);
   },
-
-  // 7. 회원탈퇴
-  deleteMe: async () => api.delete<User>(`/users`),
-
-  // 8. 사용자 프로필 이미지 변경
 });
diff --git a/src/hooks/use-user/index.ts b/src/hooks/use-user/index.ts
index 1c1909b3..6004fdb1 100644
--- a/src/hooks/use-user/index.ts
+++ b/src/hooks/use-user/index.ts
@@ -1,4 +1,3 @@
-export { useDeleteUser } from './use-user-delete';
 export { useFollowUser } from './use-user-follow';
 export { useGetUser } from './use-user-get';
 export { useUnfollowUser } from './use-user-unfollow';
diff --git a/src/hooks/use-user/use-user-delete/index.ts b/src/hooks/use-user/use-user-delete/index.ts
deleted file mode 100644
index bef8abf8..00000000
--- a/src/hooks/use-user/use-user-delete/index.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { useMutation, useQueryClient } from '@tanstack/react-query';
-
-import { API } from '@/api';
-import { userKeys } from '@/lib/query-key/query-key-user';
-
-export const useDeleteUser = () => {
-  const queryClient = useQueryClient();
-  const query = useMutation({
-    mutationFn: () => API.userService.deleteMe(),
-    onSuccess: (data, _variables, _context) => {
-      queryClient.invalidateQueries({ queryKey: userKeys.item(data.userId) });
-      console.log('요청 성공');
-    },
-    onError: () => {
-      console.log('요청 실패');
-    },
-  });
-  return query;
-};
diff --git a/src/types/service/user.ts b/src/types/service/user.ts
index 8b73a9b4..a7bdcf2d 100644
--- a/src/types/service/user.ts
+++ b/src/types/service/user.ts
@@ -24,7 +24,7 @@ export interface UpdateMePayload {
   profileMessage?: string;
 }
 
-export interface UpdateMyImagePayload {
+export interface UpdateMyProfileImagePayload {
   file: File;
 }
 
@@ -35,3 +35,15 @@ export interface UpdateMyNotiParams {
 export interface FollowParams {
   followNickname: string;
 }
+
+export interface Availability {
+  available: boolean;
+}
+
+export interface GetNickNameAvailabilityParams {
+  nickName: string;
+}
+
+export interface GetEmailAvailabilityParams {
+  email: string;
+}