diff --git a/src/main/java/in/koreatech/koin/domain/timetableV2/repository/TimetableLectureRepositoryV2.java b/src/main/java/in/koreatech/koin/domain/timetableV2/repository/TimetableLectureRepositoryV2.java
index 2bc845d12..60161cf51 100644
--- a/src/main/java/in/koreatech/koin/domain/timetableV2/repository/TimetableLectureRepositoryV2.java
+++ b/src/main/java/in/koreatech/koin/domain/timetableV2/repository/TimetableLectureRepositoryV2.java
@@ -26,12 +26,7 @@ default TimetableLecture getById(Integer id) {
 
     TimetableLecture save(TimetableLecture timetableLecture);
 
-    Optional<TimetableLecture> findByTimetableFrameIdAndLectureId(Integer frameId, Integer lectureId);
-
-    default TimetableLecture getByFrameIdAndLectureId(Integer frameId, Integer lectureId) {
-        return findByTimetableFrameIdAndLectureId(frameId, lectureId)
-            .orElseThrow(() -> TimetableLectureNotFoundException.withDetail("frameId: " + frameId + ", lectureId: " + lectureId));
-    }
+    List<TimetableLecture> findAllByTimetableFrameIdAndLectureId(Integer frameId, Integer lectureId);
 
     @Query(value = "SELECT * FROM timetable_lecture WHERE id = :id", nativeQuery = true)
     Optional<TimetableLecture> findByIdWithDeleted(@Param("id") Integer id);
diff --git a/src/main/java/in/koreatech/koin/domain/timetableV2/service/TimetableLectureService.java b/src/main/java/in/koreatech/koin/domain/timetableV2/service/TimetableLectureService.java
index b1120cc08..90773daa1 100644
--- a/src/main/java/in/koreatech/koin/domain/timetableV2/service/TimetableLectureService.java
+++ b/src/main/java/in/koreatech/koin/domain/timetableV2/service/TimetableLectureService.java
@@ -82,8 +82,7 @@ public void deleteTimetableLectures(List<Integer> request, Integer userId) {
     public void deleteTimetableLectureByFrameId(Integer frameId, Integer lectureId, Integer userId) {
         TimetableFrame frame = timetableFrameRepositoryV2.getById(frameId);
         validateUserAuthorization(frame.getUser().getId(), userId);
-        TimetableLecture timetableLecture = timetableLectureRepositoryV2.getByFrameIdAndLectureId(frameId, lectureId);
-        timetableLecture.delete();
+        timetableLectureRepositoryV2.findAllByTimetableFrameIdAndLectureId(frameId, lectureId).forEach(TimetableLecture::delete);
     }
 
     @Transactional