diff --git a/src/main/java/org/cotato/csquiz/domain/education/service/SocketService.java b/src/main/java/org/cotato/csquiz/domain/education/service/SocketService.java
index 7f1fe251..08cf36d1 100644
--- a/src/main/java/org/cotato/csquiz/domain/education/service/SocketService.java
+++ b/src/main/java/org/cotato/csquiz/domain/education/service/SocketService.java
@@ -17,8 +17,12 @@
 import org.cotato.csquiz.common.error.exception.AppException;
 import org.cotato.csquiz.common.error.ErrorCode;
 import org.cotato.csquiz.common.websocket.WebSocketHandler;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 
 @Service
 @RequiredArgsConstructor