diff --git a/src/main/java/com/gamzabat/algohub/feature/group/studygroup/service/StudyGroupService.java b/src/main/java/com/gamzabat/algohub/feature/group/studygroup/service/StudyGroupService.java
index 9cb00114..068269bd 100644
--- a/src/main/java/com/gamzabat/algohub/feature/group/studygroup/service/StudyGroupService.java
+++ b/src/main/java/com/gamzabat/algohub/feature/group/studygroup/service/StudyGroupService.java
@@ -46,6 +46,7 @@
 import com.gamzabat.algohub.feature.group.studygroup.repository.StudyGroupRepository;
 import com.gamzabat.algohub.feature.image.service.ImageService;
 import com.gamzabat.algohub.feature.notice.repository.NoticeCommentRepository;
+import com.gamzabat.algohub.feature.notice.repository.NoticeReadRepository;
 import com.gamzabat.algohub.feature.notice.repository.NoticeRepository;
 import com.gamzabat.algohub.feature.notification.domain.NotificationSetting;
 import com.gamzabat.algohub.feature.notification.enums.NotificationCategory;
@@ -79,7 +80,7 @@ public class StudyGroupService {
 	private final NoticeCommentRepository noticeCommentRepository;
 	private final SolutionCommentRepository solutionCommentRepository;
 	private final NotificationRepository notificationRepository;
-
+	private final NoticeReadRepository noticeReadRepository;
 	private final ObjectProvider<StudyGroupService> studyGroupServiceProvider;
 	private final NotificationSettingRepository notificationSettingRepository;
 	private final NotificationService notificationService;
@@ -178,6 +179,7 @@ private void deleteAllAboutGroup(StudyGroup group) {
 		notificationSettingRepository.deleteAllByStudyGroup(group);
 		notificationRepository.deleteAllByStudyGroup(group);
 		noticeCommentRepository.deleteAllByStudyGroup(group);
+		noticeReadRepository.deleteAllByStudyGroup(group);
 		noticeRepository.deleteAllByStudyGroup(group);
 		solutionCommentRepository.deleteAllByStudyGroup(group);
 		solutionRepository.deleteAllByStudyGroup(group);
@@ -241,6 +243,7 @@ public void deleteMemberFromStudyGroup(User user, GroupMember groupMember, Study
 			.ifPresent(bookmarkedStudyGroupRepository::delete);
 		rankingRepository.deleteByMember(groupMember);
 		notificationSettingRepository.deleteByMember(groupMember);
+		noticeReadRepository.deleteAllByStudyGroupAndUser(studyGroup, user);
 		notificationRepository.deleteAllByUserAndStudyGroup(user, studyGroup);
 		groupMemberRepository.delete(groupMember);
 		log.info("success to delete group member");
diff --git a/src/main/java/com/gamzabat/algohub/feature/notice/repository/NoticeReadRepository.java b/src/main/java/com/gamzabat/algohub/feature/notice/repository/NoticeReadRepository.java
index 7161a670..91361769 100644
--- a/src/main/java/com/gamzabat/algohub/feature/notice/repository/NoticeReadRepository.java
+++ b/src/main/java/com/gamzabat/algohub/feature/notice/repository/NoticeReadRepository.java
@@ -1,11 +1,26 @@
 package com.gamzabat.algohub.feature.notice.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
 
+import com.gamzabat.algohub.feature.group.studygroup.domain.StudyGroup;
 import com.gamzabat.algohub.feature.notice.domain.Notice;
 import com.gamzabat.algohub.feature.notice.domain.NoticeRead;
 import com.gamzabat.algohub.feature.user.domain.User;
 
 public interface NoticeReadRepository extends JpaRepository<NoticeRead, Long> {
 	boolean existsByNoticeAndUser(Notice notice, User user);
+
+	@Modifying
+	@Query("delete from NoticeRead nr where nr.notice = :notice")
+	void deleteAllByNotice(Notice notice);
+
+	@Modifying
+	@Query("delete from NoticeRead nr where nr.notice.studyGroup = :group")
+	void deleteAllByStudyGroup(StudyGroup group);
+
+	@Modifying
+	@Query("delete from NoticeRead nr where nr.notice.studyGroup = :group and nr.user = :user")
+	void deleteAllByStudyGroupAndUser(StudyGroup group, User user);
 }
diff --git a/src/main/java/com/gamzabat/algohub/feature/notice/service/NoticeService.java b/src/main/java/com/gamzabat/algohub/feature/notice/service/NoticeService.java
index 12e70aff..9923239c 100644
--- a/src/main/java/com/gamzabat/algohub/feature/notice/service/NoticeService.java
+++ b/src/main/java/com/gamzabat/algohub/feature/notice/service/NoticeService.java
@@ -121,6 +121,7 @@ public void deleteNotice(User user, Long noticeId) {
 			throw new UserValidationException("공지를 삭제할 수 있는 권한이 없습니다");
 
 		noticeCommentRepository.deleteAllCommentByNotice(notice);
+		noticeReadRepository.deleteAllByNotice(notice);
 		noticeRepository.delete(notice);
 
 		log.info("success to delete notice. userId: {}, noticeId: {}", user.getId(), noticeId);
diff --git a/src/test/java/com/gamzabat/algohub/service/StudyGroupServiceTest.java b/src/test/java/com/gamzabat/algohub/service/StudyGroupServiceTest.java
index 843cf264..559e0501 100644
--- a/src/test/java/com/gamzabat/algohub/service/StudyGroupServiceTest.java
+++ b/src/test/java/com/gamzabat/algohub/service/StudyGroupServiceTest.java
@@ -49,6 +49,7 @@
 import com.gamzabat.algohub.feature.group.studygroup.service.StudyGroupService;
 import com.gamzabat.algohub.feature.image.service.ImageService;
 import com.gamzabat.algohub.feature.notice.repository.NoticeCommentRepository;
+import com.gamzabat.algohub.feature.notice.repository.NoticeReadRepository;
 import com.gamzabat.algohub.feature.notice.repository.NoticeRepository;
 import com.gamzabat.algohub.feature.notification.domain.NotificationSetting;
 import com.gamzabat.algohub.feature.notification.repository.NotificationRepository;
@@ -79,6 +80,8 @@ class StudyGroupServiceTest {
 	@Mock
 	private ProblemRepository problemRepository;
 	@Mock
+	private NoticeReadRepository noticeReadRepository;
+	@Mock
 	private UserRepository userRepository;
 	@Mock
 	private NotificationRepository notificationRepository;