diff --git a/smeem-api/src/main/java/com/smeem/api/auth/controller/AuthController.java b/smeem-api/src/main/java/com/smeem/api/auth/controller/AuthController.java
index ec5ed8e3..9af1b785 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/controller/AuthController.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/controller/AuthController.java
@@ -10,6 +10,7 @@
 import com.smeem.api.common.BaseResponse;
 import com.smeem.common.util.Util;
 import lombok.RequiredArgsConstructor;
+import lombok.val;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
@@ -31,13 +32,13 @@ public class AuthController {
     @PostMapping
     public ResponseEntity<BaseResponse<?>> signIn(@RequestHeader("Authorization") String socialAccessToken,
                                                   @RequestBody SignInRequest request) throws NoSuchAlgorithmException, InvalidKeySpecException {
-        SignInResponse response = SignInResponse.of(authService.signIn(socialAccessToken, SignInServiceRequest.of(request)));
+        val response = SignInResponse.of(authService.signIn(socialAccessToken, SignInServiceRequest.of(request)));
         return ApiResponseUtil.success(SUCCESS_SIGNIN, response);
     }
 
     @PostMapping("/token")
     public ResponseEntity<BaseResponse<?>> reissueToken(Principal principal) {
-        TokenResponse response = TokenResponse.of(tokenService.issueToken(Util.getMemberId(principal)));
+        val response = TokenResponse.of(tokenService.issueToken(Util.getMemberId(principal)));
         return ApiResponseUtil.success(SUCCESS_ISSUE_TOKEN, response);
     }
 
diff --git a/smeem-api/src/main/java/com/smeem/api/auth/controller/dto/response/SignInResponse.java b/smeem-api/src/main/java/com/smeem/api/auth/controller/dto/response/SignInResponse.java
index ae1ee3a0..a0428e38 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/controller/dto/response/SignInResponse.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/controller/dto/response/SignInResponse.java
@@ -1,12 +1,13 @@
 package com.smeem.api.auth.controller.dto.response;
 
 
-import com.smeem.api.auth.jwt.SmeemToken;
 import com.smeem.api.auth.service.dto.response.SignInServiceResponse;
 import lombok.Builder;
 
+import static lombok.AccessLevel.PRIVATE;
 
-@Builder
+
+@Builder(access = PRIVATE)
 public record SignInResponse(
         String accessToken,
         String refreshToken,
@@ -15,11 +16,11 @@ public record SignInResponse(
 ) {
 
         public static SignInResponse of(SignInServiceResponse response) {
-                return new SignInResponse(
-                        response.accessToken(),
-                        response.refreshToken(),
-                        response.isRegistered(),
-                        response.hasPlan());
+                return SignInResponse.builder()
+                        .accessToken(response.accessToken())
+                        .refreshToken(response.refreshToken())
+                        .isRegistered(response.isRegistered())
+                        .hasPlan(response.hasPlan())
+                        .build();
         }
-
 }
diff --git a/smeem-api/src/main/java/com/smeem/api/auth/jwt/TokenProvider.java b/smeem-api/src/main/java/com/smeem/api/auth/jwt/TokenProvider.java
index 0bc11b43..5ce393a8 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/jwt/TokenProvider.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/jwt/TokenProvider.java
@@ -1,22 +1,16 @@
 package com.smeem.api.auth.jwt;
 
 
-import com.smeem.common.config.ValueConfig;
-import com.smeem.common.exception.AuthException;
-import io.jsonwebtoken.*;
-import io.jsonwebtoken.security.Keys;
+import io.jsonwebtoken.Header;
+import io.jsonwebtoken.Jwts;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import lombok.val;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Component;
 
-import javax.crypto.SecretKey;
 import java.util.Date;
 
-import static com.smeem.api.auth.jwt.JwtValidationType.*;
-import static java.util.Base64.getEncoder;
-
 @Slf4j
 @Component
 @RequiredArgsConstructor
diff --git a/smeem-api/src/main/java/com/smeem/api/auth/service/dto/response/TokenServiceResponse.java b/smeem-api/src/main/java/com/smeem/api/auth/service/dto/response/TokenServiceResponse.java
index fc94a920..faf8d095 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/service/dto/response/TokenServiceResponse.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/service/dto/response/TokenServiceResponse.java
@@ -13,9 +13,9 @@ public record TokenServiceResponse(
 ) {
 
     public static TokenServiceResponse of(SmeemToken token) {
-        return new TokenServiceResponse(
-                token.getAccessToken(),
-                token.getRefreshToken()
-        );
+        return TokenServiceResponse.builder()
+                .accessToken(token.getAccessToken())
+                .refreshToken(token.getRefreshToken())
+                .build();
     }
 }
diff --git a/smeem-api/src/main/java/com/smeem/api/badge/controller/BadgeController.java b/smeem-api/src/main/java/com/smeem/api/badge/controller/BadgeController.java
index 84ec42fb..44d1c872 100644
--- a/smeem-api/src/main/java/com/smeem/api/badge/controller/BadgeController.java
+++ b/smeem-api/src/main/java/com/smeem/api/badge/controller/BadgeController.java
@@ -1,11 +1,11 @@
 package com.smeem.api.badge.controller;
 
-import com.smeem.api.badge.controller.dto.response.BadgeListResponse;
 import com.smeem.api.badge.service.BadgeService;
 import com.smeem.api.common.ApiResponseUtil;
 import com.smeem.api.common.BaseResponse;
 import com.smeem.common.util.Util;
 import lombok.RequiredArgsConstructor;
+import lombok.val;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -24,7 +24,7 @@ public class BadgeController {
 
     @GetMapping
     public ResponseEntity<BaseResponse<?>> getBadges(Principal principal) {
-        BadgeListResponse response = badgeService.getBadges(Util.getMemberId(principal));
+        val response = badgeService.getBadges(Util.getMemberId(principal));
         return ApiResponseUtil.success(SUCCESS_GET_BADGES, response);
     }
 
diff --git a/smeem-api/src/main/java/com/smeem/api/badge/controller/dto/response/BadgeResponse.java b/smeem-api/src/main/java/com/smeem/api/badge/controller/dto/response/BadgeResponse.java
index 4093850d..1dd81452 100644
--- a/smeem-api/src/main/java/com/smeem/api/badge/controller/dto/response/BadgeResponse.java
+++ b/smeem-api/src/main/java/com/smeem/api/badge/controller/dto/response/BadgeResponse.java
@@ -1,7 +1,6 @@
 package com.smeem.api.badge.controller.dto.response;
 
 import com.smeem.api.badge.service.dto.response.BadgeServiceResponse;
-import com.smeem.domain.badge.model.Badge;
 import lombok.AccessLevel;
 import lombok.Builder;
 
diff --git a/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/MemberNameResponse.java b/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/MemberNameResponse.java
index 4bc959f5..c6439983 100644
--- a/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/MemberNameResponse.java
+++ b/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/MemberNameResponse.java
@@ -1,13 +1,20 @@
 package com.smeem.api.member.controller.dto.response;
 
 import com.smeem.api.member.service.dto.response.MemberNameServiceResponse;
+import lombok.AccessLevel;
+import lombok.Builder;
 
+import static lombok.AccessLevel.PRIVATE;
+
+@Builder(access = PRIVATE)
 public record MemberNameResponse(
         boolean isExist
 ) {
 
     public static MemberNameResponse of(MemberNameServiceResponse response) {
-        return new MemberNameResponse(response.isExist());
+        return MemberNameResponse.builder()
+                .isExist(response.isExist())
+                .build();
     }
 
 }
diff --git a/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/TrainingTimeResponse.java b/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/TrainingTimeResponse.java
index f95a13f2..93c4b2ff 100644
--- a/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/TrainingTimeResponse.java
+++ b/smeem-api/src/main/java/com/smeem/api/member/controller/dto/response/TrainingTimeResponse.java
@@ -1,12 +1,21 @@
 package com.smeem.api.member.controller.dto.response;
 
 import com.smeem.api.member.service.dto.response.TrainingTimeServiceResponse;
+import lombok.Builder;
 
-public record TrainingTimeResponse(String day, int hour, int minute) {
+import static lombok.AccessLevel.PRIVATE;
+
+@Builder(access = PRIVATE)
+public record TrainingTimeResponse(
+        String day,
+        int hour,
+        int minute
+) {
     public static TrainingTimeResponse of(TrainingTimeServiceResponse response) {
-        return new TrainingTimeResponse(
-                response.day(),
-                response.hour(),
-                response.minute());
+        return TrainingTimeResponse.builder()
+                .day(response.day())
+                .hour(response.hour())
+                .minute(response.minute())
+                .build();
     }
 }