diff --git a/backend/src/main/java/com/festago/application/StageService.java b/backend/src/main/java/com/festago/application/StageService.java
index 80c578308..4b90e7cb9 100644
--- a/backend/src/main/java/com/festago/application/StageService.java
+++ b/backend/src/main/java/com/festago/application/StageService.java
@@ -25,16 +25,15 @@ public StageService(StageRepository stageRepository, FestivalRepository festival
 
     public StageResponse create(StageCreateRequest request) {
         Festival festival = findFestivalById(request.festivalId());
-        Stage newStage = stageRepository.save(toStageEntity(request, festival));
+        Stage newStage = stageRepository.save(new Stage(
+            request.startTime(),
+            request.lineUp(),
+            request.ticketOpenTime(),
+            festival));
+        
         return StageResponse.from(newStage);
     }
 
-    private Stage toStageEntity(StageCreateRequest request, Festival festival) {
-        return request.lineUp() == null ?
-            new Stage(request.startTime(), request.ticketOpenTime(), festival) :
-            new Stage(request.startTime(), request.lineUp(), request.ticketOpenTime(), festival);
-    }
-
     private Festival findFestivalById(Long festivalId) {
         return festivalRepository.findById(festivalId)
             .orElseThrow(() -> new NotFoundException(ErrorCode.FESTIVAL_NOT_FOUND));
diff --git a/backend/src/main/java/com/festago/application/StudentService.java b/backend/src/main/java/com/festago/application/StudentService.java
index ac666c9f5..ea52de469 100644
--- a/backend/src/main/java/com/festago/application/StudentService.java
+++ b/backend/src/main/java/com/festago/application/StudentService.java
@@ -78,8 +78,7 @@ private School findSchool(Long schoolId) {
     public void verificate(Long memberId, StudentVerificateRequest request) {
         validateStudent(memberId);
         Member member = findMember(memberId);
-        StudentCode studentCode = studentCodeRepository.findByCodeAndMember(new VerificationCode(request.code()),
-                member)
+        StudentCode studentCode = studentCodeRepository.findByCodeAndMember(new VerificationCode(request.code()), member)
             .orElseThrow(() -> new BadRequestException(ErrorCode.INVALID_STUDENT_VERIFICATION_CODE));
         studentRepository.save(new Student(member, studentCode.getSchool(), studentCode.getUsername()));
         studentCodeRepository.deleteByMember(member);