diff --git a/server/src/main/java/com/ticketing/server/user/application/UserController.java b/server/src/main/java/com/ticketing/server/user/application/UserController.java
index f3ae181..e2387f4 100644
--- a/server/src/main/java/com/ticketing/server/user/application/UserController.java
+++ b/server/src/main/java/com/ticketing/server/user/application/UserController.java
@@ -13,11 +13,11 @@ import com.ticketing.server.user.application.response.UserChangePasswordResponse
 import com.ticketing.server.user.application.response.UserDeleteResponse;
 import com.ticketing.server.user.application.response.UserDetailResponse;
 import com.ticketing.server.user.domain.ChangeGradeDTO;
+import com.ticketing.server.user.service.dto.ChangePasswordDTO;
 import com.ticketing.server.user.service.dto.ChangedPasswordUserDTO;
+import com.ticketing.server.user.service.dto.CreatedUserDTO;
 import com.ticketing.server.user.service.dto.DeletedUserDTO;
 import com.ticketing.server.user.service.dto.PaymentsDTO;
-import com.ticketing.server.user.service.dto.ChangePasswordDTO;
-import com.ticketing.server.user.service.dto.CreatedUserDTO;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import com.ticketing.server.user.service.interfaces.UserApisService;
 import com.ticketing.server.user.service.interfaces.UserService;
@@ -44,8 +44,8 @@ import org.springframework.web.bind.annotation.RestController;
 @Slf4j
 public class UserController {
 
-	private final UserApisService userApisService;
 	private final UserService userService;
+	private final UserApisService userApisService;
 	private final PasswordEncoder passwordEncoder;
 
 	@PostMapping
@@ -90,7 +90,9 @@ public class UserController {
 	@Secured(ADMIN)
 	public ResponseEntity<UserChangeGradeResponse> changeGrade(@RequestBody @Valid UserChangeGradeRequest request) {
 		ChangeGradeDTO changeGradeDto = userService.changeGrade(request.getEmail(), request.getAfterGrade());
-		return ResponseEntity.status(HttpStatus.OK).body(changeGradeDto.toResponse());
+
+		return ResponseEntity.status(HttpStatus.OK)
+			.body(changeGradeDto.toResponse());
 	}
 
 	@GetMapping("/payments")
diff --git a/server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java b/server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java
index 5a8160e..f4e577f 100644
--- a/server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java
+++ b/server/src/main/java/com/ticketing/server/user/service/interfaces/UserService.java
@@ -12,7 +12,6 @@ import com.ticketing.server.user.service.dto.SignUpDTO;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
-import org.springframework.transaction.annotation.Transactional;
 
 public interface UserService {
 
@@ -22,7 +21,6 @@ public interface UserService {
 
 	ChangedPasswordUserDTO changePassword(@Valid ChangePasswordDTO changePasswordDto);
 
-	@Transactional
 	ChangeGradeDTO changeGrade(@NotNull String email, @NotNull UserGrade grade);
 
 	UserDetailDTO findDetailByEmail(@NotNull String email);