diff --git a/src/main/java/space/space_spring/controller/ChattingController.java b/src/main/java/space/space_spring/controller/ChattingController.java
index 29d89f5d..2b0d7963 100644
--- a/src/main/java/space/space_spring/controller/ChattingController.java
+++ b/src/main/java/space/space_spring/controller/ChattingController.java
@@ -2,20 +2,14 @@
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.context.event.EventListener;
 import org.springframework.messaging.handler.annotation.*;
 import org.springframework.messaging.simp.annotation.SubscribeMapping;
-import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.socket.messaging.SessionDisconnectEvent;
 import space.space_spring.argumentResolver.userSpace.CheckUserSpace;
 import space.space_spring.dto.chat.request.ChatMessageRequest;
 import space.space_spring.dto.chat.response.ChatMessageLogResponse;
 import space.space_spring.dto.chat.response.ChatMessageResponse;
 import space.space_spring.service.ChattingService;
-import space.space_spring.service.UserChatRoomService;
 
 import java.io.IOException;
 import java.util.Map;
@@ -27,7 +21,6 @@ public class ChattingController {
 
     private final ChattingService chattingService;
 
-    private final UserChatRoomService userChatRoomService;
 
     @MessageMapping("/chat/{chatRoomId}") // {chatRoomId} 채팅방으로 보낸 메세지 매핑
     @SendTo("/topic/chat/{chatRoomId}") // {chatRoomId} 채팅방을 구독한 곳들로 메세지 전송
diff --git a/src/main/java/space/space_spring/service/UserChatRoomService.java b/src/main/java/space/space_spring/service/UserChatRoomService.java
deleted file mode 100644
index 08a47df8..00000000
--- a/src/main/java/space/space_spring/service/UserChatRoomService.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package space.space_spring.service;
-
-import jakarta.transaction.Transactional;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.stereotype.Service;
-import space.space_spring.dao.chat.ChatRoomDao;
-import space.space_spring.dao.chat.UserChatRoomDao;
-import space.space_spring.entity.ChatRoom;
-import space.space_spring.entity.User;
-import space.space_spring.entity.UserChatRoom;
-import space.space_spring.exception.CustomException;
-import space.space_spring.util.user.UserUtils;
-
-import java.time.LocalDateTime;
-import java.time.ZoneId;
-import java.util.Optional;
-
-import static space.space_spring.response.status.BaseExceptionResponseStatus.CHATROOM_NOT_EXIST;
-
-@Service
-@RequiredArgsConstructor
-@Slf4j
-public class UserChatRoomService {
-
-    private final UserUtils userUtils;
-
-    private final ChatRoomDao chatRoomDao;
-    private final UserChatRoomDao userChatRoomDao;
-
-//    @Transactional
-//    public void saveLastReadTime(Long userId, Long chatRoomId) {
-//        User userByUserId = userUtils.findUserByUserId(userId);
-//        ChatRoom chatRoomByChatRoomId = chatRoomDao.findById(chatRoomId)
-//                .orElseThrow(() -> new CustomException(CHATROOM_NOT_EXIST));
-//
-//        UserChatRoom targetChatRoom = userChatRoomDao.findByUserAndChatRoom(userByUserId, chatRoomByChatRoomId);
-//        targetChatRoom.setLastReadTime(LocalDateTime.now());
-////      userChatRoomDao.save(targetChatRoom);
-//        log.info("socket disconnect 시 마지막으로 읽은 시간" + targetChatRoom.getLastReadTime());
-//    }
-}