diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationService.java
index 72c75d72f..f52f94110 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationService.java
@@ -4,20 +4,12 @@
 import java.security.SecureRandom;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import site.timecapsulearchive.core.domain.auth.data.dto.VerificationMessageSendDto;
 import site.timecapsulearchive.core.domain.auth.exception.CertificationNumberNotFoundException;
 import site.timecapsulearchive.core.domain.auth.exception.CertificationNumberNotMatchException;
 import site.timecapsulearchive.core.domain.auth.repository.MessageAuthenticationCacheRepository;
-import site.timecapsulearchive.core.domain.member.entity.Member;
-import site.timecapsulearchive.core.domain.member.entity.MemberTemporary;
-import site.timecapsulearchive.core.domain.member.exception.MemberNotFoundException;
-import site.timecapsulearchive.core.domain.member.exception.MemberTagDuplicatedException;
-import site.timecapsulearchive.core.domain.member.repository.MemberRepository;
-import site.timecapsulearchive.core.domain.member.repository.MemberTemporaryRepository;
-import site.timecapsulearchive.core.global.security.encryption.AESEncryptionManager;
 import site.timecapsulearchive.core.global.security.encryption.HashEncryptionManager;
 import site.timecapsulearchive.core.infra.sms.data.response.SmsApiResponse;
 import site.timecapsulearchive.core.infra.sms.manager.SmsApiManager;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
index 824d897b5..18548adf6 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/Capsule.java
@@ -1,6 +1,5 @@
 package site.timecapsulearchive.core.domain.capsule.entity;
 
-import jakarta.persistence.CascadeType;
 import jakarta.persistence.Column;
 import jakarta.persistence.Embedded;
 import jakarta.persistence.Entity;
@@ -40,45 +39,33 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class Capsule extends BaseEntity {
 
+    @OneToMany(mappedBy = "capsule")
+    private final List<Image> images = new ArrayList<>();
+    @OneToMany(mappedBy = "capsule")
+    private final List<Video> videos = new ArrayList<>();
+    @OneToMany(mappedBy = "capsule")
+    private final List<GroupCapsuleOpen> groupCapsuleOpens = new ArrayList<>();
     @Id
     @Column(name = "capsule_id")
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
-
     @Column(name = "due_date")
     private ZonedDateTime dueDate;
-
     @Column(name = "point", columnDefinition = "SRID 3857")
     private Point point;
-
     @Column(name = "title", nullable = false)
     private String title;
-
     @Column(name = "content", nullable = false)
     private String content;
-
     @Column(name = "type", nullable = false)
     @Enumerated(EnumType.STRING)
     private CapsuleType type;
-
     @Column(name = "is_opened", nullable = false)
     private Boolean isOpened;
-
     @Embedded
     private Address address;
-
     @Column(name = "declaration_count")
     private Long declarationCount = 0L;
-
-    @OneToMany(mappedBy = "capsule")
-    private final List<Image> images = new ArrayList<>();
-
-    @OneToMany(mappedBy = "capsule")
-    private final List<Video> videos = new ArrayList<>();
-
-    @OneToMany(mappedBy = "capsule")
-    private final List<GroupCapsuleOpen> groupCapsuleOpens = new ArrayList<>();
-
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "group_id")
     private Group group;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/CapsuleType.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/CapsuleType.java
index f7059b739..aa61cc241 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/CapsuleType.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/entity/CapsuleType.java
@@ -7,6 +7,10 @@ public enum CapsuleType {
     TREASURE,
     ALL;
 
+    public boolean isGroupCapsule() {
+        return this.equals(CapsuleType.GROUP);
+    }
+
     public boolean isPublicOrGroup() {
         return this == PUBLIC || this == GROUP;
     }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApi.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApi.java
index d3d9bf215..5ece1a944 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApi.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApi.java
@@ -196,6 +196,38 @@ ResponseEntity<ApiSpec<CapsuleOpenedResponse>> updateCapsuleOpened(
         Long capsuleId
     );
 
+    @Operation(
+        summary = "캡슐 삭제",
+        description = "캡슐을 삭제한다.",
+        security = {@SecurityRequirement(name = "user_token")},
+        tags = {"capsule"}
+    )
+    @ApiResponses(value = {
+        @ApiResponse(
+            responseCode = "200",
+            description = "처리 완료"
+        ),
+        @ApiResponse(
+            responseCode = "404",
+            description = "해당 캡슐을 찾을 수 없을 경우 발생하는 예외",
+            content = @Content(schema = @Schema(implementation = ErrorResponse.class))
+        ),
+        @ApiResponse(
+            responseCode = "403",
+            description = "그룹 캡슐일 경우 그룹장이 아닐 때 발생하는 예외",
+            content = @Content(schema = @Schema(implementation = ErrorResponse.class))
+        )
+    })
+    ResponseEntity<ApiSpec<String>> deleteCapsule(
+        Long memberId,
+
+        @Parameter(in = ParameterIn.PATH, description = "캡슐 아이디", required = true)
+        Long capsuleId,
+
+        @Parameter(in = ParameterIn.PATH, description = "캡슐 타입", required = true)
+        CapsuleType capsuleType
+    );
+
     @Operation(
         summary = "공개, 그룹 캡슐 신고",
         description = "공개, 그룹 캡슐을 신고한다.",
@@ -226,4 +258,3 @@ ResponseEntity<ApiSpec<String>> declarationCapsule(
     );
 
 }
-
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApiController.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApiController.java
index ced202203..f9af93fd6 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApiController.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/api/CapsuleApiController.java
@@ -4,6 +4,7 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PatchMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -151,6 +152,21 @@ public ResponseEntity<ApiSpec<CapsuleOpenedResponse>> updateCapsuleOpened(
         );
     }
 
+    @DeleteMapping(value = "/{capsule_id}/{capsule_type}", produces = {"application/json"})
+    @Override
+    public ResponseEntity<ApiSpec<String>> deleteCapsule(
+        @AuthenticationPrincipal final Long memberId,
+        @PathVariable("capsule_id") final Long capsuleId,
+        @PathVariable("capsule_type") final CapsuleType capsuleType
+    ) {
+        capsuleService.deleteCapsule(memberId, capsuleId, capsuleType);
+        return ResponseEntity.ok(
+            ApiSpec.empty(
+                SuccessCode.SUCCESS
+            )
+        );
+    }
+
     @PatchMapping(value = "/{capsule_id}/declaration", produces = {"application/json"})
     @Override
     public ResponseEntity<ApiSpec<String>> declarationCapsule(
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/capsule/CapsuleRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/capsule/CapsuleRepository.java
index e991e880d..9ab5b3690 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/capsule/CapsuleRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/capsule/CapsuleRepository.java
@@ -53,4 +53,12 @@ void deleteExcludeGroupCapsuleByMemberId(
 
     @Query("select c from Capsule c where c.group.id in :groupIds")
     List<Capsule> findCapsulesByGroupIds(@Param("groupIds") List<Long> groupIds);
+
+    @Query("UPDATE Capsule c SET c.deletedAt = :deletedAt WHERE c.member.id = :memberId and c.id = :capsuleId")
+    @Modifying
+    void deleteByMemberIdAndCapsuleId(
+        @Param("memberId") Long memberId,
+        @Param("capsuleId") Long capsuleId,
+        @Param("deletedAt") ZonedDateTime deletedAt
+    );
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/image/ImageRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/image/ImageRepository.java
index 82531238e..bd8cef57e 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/image/ImageRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/image/ImageRepository.java
@@ -25,4 +25,12 @@ void deleteByCapsuleIds(
         @Param("groupCapsuleIds") List<Long> groupCapsuleIds,
         @Param("deletedAt") ZonedDateTime deletedAt
     );
+
+    @Query("UPDATE Image i SET i.deletedAt = :deletedAt WHERE i.member.id =:memberId and i.capsule.id =:capsuleId")
+    @Modifying
+    void deleteByMemberIdAndCapsuleId(
+        @Param("memberId") Long memberId,
+        @Param("capsuleId") Long capsuleId,
+        @Param("deletedAt") ZonedDateTime deletedAt
+    );
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/video/VideoRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/video/VideoRepository.java
index 75d70b565..7f6a358f0 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/video/VideoRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/repository/video/VideoRepository.java
@@ -25,4 +25,12 @@ void deleteByCapsuleIds(
         @Param("groupCapsuleIds") List<Long> groupCapsuleIds,
         @Param("deletedAt") ZonedDateTime deletedAt
     );
+
+    @Query("UPDATE Video v SET v.deletedAt = :deletedAt WHERE v.member.id = :memberId and v.capsule.id = :capsuleId")
+    @Modifying
+    void deleteByMemberIdAndCapsuleId(
+        @Param("memberId") Long memberId,
+        @Param("capsuleId") Long capsuleId,
+        @Param("deletedAt") ZonedDateTime deletedAt
+    );
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/CapsuleService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/CapsuleService.java
index 014ad2baa..7843e2d8f 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/CapsuleService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/CapsuleService.java
@@ -17,10 +17,14 @@
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.capsule.CapsuleRepository;
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.image.ImageRepository;
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.video.VideoRepository;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.repository.GroupCapsuleOpenRepository;
 import site.timecapsulearchive.core.domain.capsuleskin.entity.CapsuleSkin;
 import site.timecapsulearchive.core.domain.capsuleskin.repository.CapsuleSkinRepository;
 import site.timecapsulearchive.core.domain.friend.repository.member_friend.MemberFriendRepository;
 import site.timecapsulearchive.core.domain.member.entity.Member;
+import site.timecapsulearchive.core.domain.member_group.entity.MemberGroup;
+import site.timecapsulearchive.core.domain.member_group.repository.member_group_repository.MemberGroupRepository;
+import site.timecapsulearchive.core.global.common.supplier.ZonedDateTimeSupplier;
 import site.timecapsulearchive.core.global.geography.GeoTransformManager;
 
 @Service
@@ -30,6 +34,8 @@ public class CapsuleService {
 
     private final CapsuleRepository capsuleRepository;
     private final MemberFriendRepository memberFriendRepository;
+    private final MemberGroupRepository memberGroupRepository;
+    private final GroupCapsuleOpenRepository groupCapsuleOpenRepository;
     private final GeoTransformManager geoTransformManager;
     private final ImageRepository imageRepository;
     private final VideoRepository videoRepository;
@@ -152,8 +158,10 @@ public List<NearbyARCapsuleSummaryDto> findFriendsARCapsulesByCurrentLocation(
     }
 
     @Transactional
-    public void deleteRelatedAllCapsuleByMemberId(final Long memberId,
-        final ZonedDateTime deletedAt) {
+    public void deleteRelatedAllCapsuleByMemberId(
+        final Long memberId,
+        final ZonedDateTime deletedAt
+    ) {
         imageRepository.deleteByMemberId(memberId, deletedAt);
         videoRepository.deleteByMemberId(memberId, deletedAt);
         capsuleSkinRepository.deleteByMemberId(memberId, deletedAt);
@@ -161,6 +169,40 @@ public void deleteRelatedAllCapsuleByMemberId(final Long memberId,
     }
 
     @Transactional
+    public void deleteCapsule(
+        final Long memberId,
+        final Long capsuleId,
+        final CapsuleType capsuleType
+    ) {
+        final ZonedDateTime deletedAt = ZonedDateTimeSupplier.utc().get();
+
+        if (capsuleType.isGroupCapsule()) {
+            validateGroupCapsuleOwnership(memberId, capsuleId);
+        }
+
+        deleteCapsuleAssets(memberId, capsuleId, deletedAt);
+    }
+
+    private void validateGroupCapsuleOwnership(final Long memberId, final Long capsuleId) {
+        final Capsule capsule = capsuleRepository.findCapsuleByMemberIdAndCapsuleId(memberId,
+                capsuleId)
+            .orElseThrow(CapsuleNotFondException::new);
+        final Long groupId = capsule.getGroup().getId();
+
+        final MemberGroup memberGroup = memberGroupRepository.findMemberGroupByMemberIdAndGroupId(
+                memberId, groupId)
+            .orElseThrow(CapsuleNotFondException::new);
+        memberGroup.checkDeleteGroupCapsuleAuthority();
+    }
+
+    private void deleteCapsuleAssets(final Long memberId, final Long capsuleId,
+        final ZonedDateTime deletedAt) {
+        imageRepository.deleteByMemberIdAndCapsuleId(memberId, capsuleId, deletedAt);
+        videoRepository.deleteByMemberIdAndCapsuleId(memberId, capsuleId, deletedAt);
+        groupCapsuleOpenRepository.deleteByMemberIdAndCapsuleId(memberId, capsuleId, deletedAt);
+        capsuleRepository.deleteByMemberIdAndCapsuleId(memberId, capsuleId, deletedAt);
+    }
+
     public void declarationCapsule(final Long capsuleId) {
         Capsule capsuleToDeclaration = capsuleRepository.findById(capsuleId)
             .orElseThrow(CapsuleNotFondException::new);
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApi.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApi.java
index 82bf07dd4..9c315d56f 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApi.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApi.java
@@ -22,8 +22,8 @@
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupCapsuleMembersResponse;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupCapsuleOpenStateResponse;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupCapsuleSliceResponse;
-import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupSpecificCapsuleSliceResponse;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupCapsuleSummaryResponse;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.GroupSpecificCapsuleSliceResponse;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.response.MyGroupCapsuleSliceResponse;
 import site.timecapsulearchive.core.global.common.response.ApiSpec;
 import site.timecapsulearchive.core.global.error.ErrorResponse;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApiController.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApiController.java
index c38bc2b36..355052402 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApiController.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/api/GroupCapsuleApiController.java
@@ -1,7 +1,6 @@
 package site.timecapsulearchive.core.domain.capsule.group_capsule.api;
 
 import jakarta.validation.Valid;
-import jakarta.validation.constraints.Max;
 import java.time.ZonedDateTime;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleResponse.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleResponse.java
index 24fc2abf1..4f97284b9 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleResponse.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/data/response/GroupCapsuleResponse.java
@@ -67,6 +67,7 @@ public record GroupCapsuleResponse(
     @Schema(description = "캡슐 타입")
     CapsuleType capsuleType
 ) {
+
     public GroupCapsuleResponse {
         if (dueDate != null) {
             dueDate = dueDate.withZoneSameInstant(ResponseMappingConstant.ZONE_ID);
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleOpenRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleOpenRepository.java
index 155bf2196..8fba88557 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleOpenRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleOpenRepository.java
@@ -26,4 +26,12 @@ void deleteByCapsuleIds(
         @Param("groupCapsuleIds") List<Long> groupCapsuleIds,
         @Param("deletedAt") ZonedDateTime deletedAt
     );
+
+    @Query("UPDATE GroupCapsuleOpen gco SET gco.deletedAt = :deletedAt WHERE gco.member.id = :memberId and gco.capsule.id = :capsuleId")
+    @Modifying
+    void deleteByMemberIdAndCapsuleId(
+        @Param("memberId") Long memberId,
+        @Param("capsuleId") Long capsuleId,
+        @Param("deletedAt") ZonedDateTime deletedAt
+    );
 }
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepository.java
index 7f66c9519..29c9b5b97 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepository.java
@@ -26,9 +26,9 @@
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDetailDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleMemberSummaryDto;
-import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupSpecificCapsuleSliceRequestDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleSummaryDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupSpecificCapsuleSliceRequestDto;
 import site.timecapsulearchive.core.domain.member.entity.QMember;
 import site.timecapsulearchive.core.global.util.SliceUtil;
 
@@ -177,7 +177,8 @@ public Long findGroupCapsuleCount(final Long groupId) {
             .fetchOne();
     }
 
-    public Slice<CapsuleBasicInfoDto> findGroupSpecificCapsuleSlice(final GroupSpecificCapsuleSliceRequestDto dto) {
+    public Slice<CapsuleBasicInfoDto> findGroupSpecificCapsuleSlice(
+        final GroupSpecificCapsuleSliceRequestDto dto) {
         final List<CapsuleBasicInfoDto> groupCapsuleDtos = jpaQueryFactory
             .select(
                 Projections.constructor(
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
index 89c130e48..9b335290e 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleService.java
@@ -21,9 +21,9 @@
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleMemberDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleOpenStateDto;
-import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupSpecificCapsuleSliceRequestDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleSummaryDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupSpecificCapsuleSliceRequestDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.repository.GroupCapsuleOpenRepository;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.repository.GroupCapsuleQueryRepository;
 import site.timecapsulearchive.core.domain.capsuleskin.entity.CapsuleSkin;
@@ -201,7 +201,8 @@ public Slice<GroupCapsuleDto> findGroupCapsuleSlice(
             groupIds);
     }
 
-    public Slice<CapsuleBasicInfoDto> findGroupSpecificCapsuleSlice(final GroupSpecificCapsuleSliceRequestDto dto) {
+    public Slice<CapsuleBasicInfoDto> findGroupSpecificCapsuleSlice(
+        final GroupSpecificCapsuleSliceRequestDto dto) {
         checkGroupAuthority(dto.memberId(), dto.groupId());
 
         return groupCapsuleQueryRepository.findGroupSpecificCapsuleSlice(dto);
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsuleskin/repository/CapsuleSkinQueryRepositoryImpl.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsuleskin/repository/CapsuleSkinQueryRepositoryImpl.java
index c88b8b786..aa5e753be 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsuleskin/repository/CapsuleSkinQueryRepositoryImpl.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/capsuleskin/repository/CapsuleSkinQueryRepositoryImpl.java
@@ -7,9 +7,7 @@
 import java.time.ZonedDateTime;
 import java.util.List;
 import lombok.RequiredArgsConstructor;
-import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
-import org.springframework.data.domain.SliceImpl;
 import org.springframework.stereotype.Repository;
 import site.timecapsulearchive.core.domain.capsuleskin.data.dto.CapsuleSkinSummaryDto;
 import site.timecapsulearchive.core.global.util.SliceUtil;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/api/MemberApiController.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/api/MemberApiController.java
index e01581351..0272488b1 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/api/MemberApiController.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/api/MemberApiController.java
@@ -12,8 +12,6 @@
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
-import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateMemberPhoneSearchAvailableRequest;
-import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateMemberTagSearchAvailableRequest;
 import site.timecapsulearchive.core.domain.auth.data.request.VerificationMessageSendRequest;
 import site.timecapsulearchive.core.domain.auth.data.request.VerificationNumberValidRequest;
 import site.timecapsulearchive.core.domain.member.data.dto.MemberDetailDto;
@@ -21,6 +19,8 @@
 import site.timecapsulearchive.core.domain.member.data.reqeust.CheckStatusRequest;
 import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateFCMTokenRequest;
 import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateMemberDataRequest;
+import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateMemberPhoneSearchAvailableRequest;
+import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateMemberTagSearchAvailableRequest;
 import site.timecapsulearchive.core.domain.member.data.reqeust.UpdateNotificationEnabledRequest;
 import site.timecapsulearchive.core.domain.member.data.response.MemberDetailResponse;
 import site.timecapsulearchive.core.domain.member.data.response.MemberNotificationStatusResponse;
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/service/MemberService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/service/MemberService.java
index 010982a32..3b355b1e6 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/service/MemberService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member/service/MemberService.java
@@ -150,7 +150,8 @@ public void updateMemberData(
         final Long memberId,
         final UpdateMemberDataDto updateMemberDataDto
     ) {
-        final Member member = memberRepository.findMemberById(memberId).orElseThrow(MemberNotFoundException::new);
+        final Member member = memberRepository.findMemberById(memberId)
+            .orElseThrow(MemberNotFoundException::new);
 
         member.updateData(updateMemberDataDto.nickname(), updateMemberDataDto.tag());
         try {
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/entity/MemberGroup.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/entity/MemberGroup.java
index 18cbce24f..91c6d357e 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/entity/MemberGroup.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/entity/MemberGroup.java
@@ -14,6 +14,7 @@
 import lombok.NoArgsConstructor;
 import org.hibernate.annotations.SQLDelete;
 import org.hibernate.annotations.Where;
+import site.timecapsulearchive.core.domain.capsule.exception.NoCapsuleAuthorityException;
 import site.timecapsulearchive.core.domain.group.entity.Group;
 import site.timecapsulearchive.core.domain.member.entity.Member;
 import site.timecapsulearchive.core.domain.member_group.exception.GroupQuitException;
@@ -62,4 +63,10 @@ public void checkGroupMemberOwner() {
             throw new GroupQuitException();
         }
     }
+
+    public void checkDeleteGroupCapsuleAuthority() {
+        if (!this.isOwner) {
+            throw new NoCapsuleAuthorityException();
+        }
+    }
 }
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/common/dependency/UnitTestDependency.java b/backend/core/src/test/java/site/timecapsulearchive/core/common/dependency/UnitTestDependency.java
index dc6986837..57677661f 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/common/dependency/UnitTestDependency.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/common/dependency/UnitTestDependency.java
@@ -10,7 +10,6 @@
 import site.timecapsulearchive.core.global.security.encryption.HashProperties;
 import site.timecapsulearchive.core.global.security.jwt.JwtFactory;
 import site.timecapsulearchive.core.infra.sms.data.response.SmsApiResponse;
-import site.timecapsulearchive.core.infra.sms.exception.ExternalApiException;
 import site.timecapsulearchive.core.infra.sms.manager.SmsApiManager;
 
 /**
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/CapsuleDtoFixture.java b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/CapsuleDtoFixture.java
index 84fd157c1..c593ee9a2 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/CapsuleDtoFixture.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/CapsuleDtoFixture.java
@@ -7,8 +7,8 @@
 import site.timecapsulearchive.core.domain.capsule.entity.CapsuleType;
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.data.dto.CapsuleDetailDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDetailDto;
-import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleMemberSummaryDto;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
 import site.timecapsulearchive.core.domain.capsule.public_capsule.data.dto.PublicCapsuleDetailDto;
 
 public class CapsuleDtoFixture {
@@ -24,7 +24,8 @@ public static Optional<CapsuleDetailDto> getCapsuleDetailDto(Long capsuleId, Boo
         );
     }
 
-    public static Optional<PublicCapsuleDetailDto> getPublicCapsuleDetailDto(Long capsuleId, Boolean isOpened,
+    public static Optional<PublicCapsuleDetailDto> getPublicCapsuleDetailDto(Long capsuleId,
+        Boolean isOpened,
         ZonedDateTime dueDate) {
         return Optional.of(
             new PublicCapsuleDetailDto(capsuleId, "test", dueDate, "testNickname", "testUrl", now,
@@ -33,26 +34,31 @@ public static Optional<PublicCapsuleDetailDto> getPublicCapsuleDetailDto(Long ca
         );
     }
 
-    public static Optional<GroupCapsuleDetailDto> getGroupCapsuleDetailDto(Long groupId, Long capsuleId, Boolean isOpened,
+    public static Optional<GroupCapsuleDetailDto> getGroupCapsuleDetailDto(Long groupId,
+        Long capsuleId, Boolean isOpened,
         ZonedDateTime dueDate) {
         return Optional.of(
-            new GroupCapsuleDetailDto(groupId, capsuleId, "testCapsuleSkinUrl", dueDate, 1L, "testNickName", "testProfileUrl",
+            new GroupCapsuleDetailDto(groupId, capsuleId, "testCapsuleSkinUrl", dueDate, 1L,
+                "testNickName", "testProfileUrl",
                 null, null, "testAddressName", "testRoadName", "testTitle", "testContent",
                 "testImages", "testVideos", isOpened, CapsuleType.PUBLIC)
         );
     }
 
 
-    public static Optional<GroupCapsuleWithMemberDetailDto> getGroupCapsuleWithMemberDetailDto(Long groupId, Long capsuleId,
+    public static Optional<GroupCapsuleWithMemberDetailDto> getGroupCapsuleWithMemberDetailDto(
+        Long groupId, Long capsuleId,
         boolean isOpened, ZonedDateTime now, int count) {
         return Optional.of(
-            new GroupCapsuleWithMemberDetailDto(getGroupCapsuleDetailDto(groupId, capsuleId, isOpened, now).get(),
+            new GroupCapsuleWithMemberDetailDto(
+                getGroupCapsuleDetailDto(groupId, capsuleId, isOpened, now).get(),
                 getGroupMemberSummaryDtos(count)));
     }
 
     private static List<GroupCapsuleMemberSummaryDto> getGroupMemberSummaryDtos(int count) {
         return IntStream.range(0, count)
-            .mapToObj(i -> new GroupCapsuleMemberSummaryDto(i + "testNickname", i + "testUrl", true))
+            .mapToObj(
+                i -> new GroupCapsuleMemberSummaryDto(i + "testNickname", i + "testUrl", true))
             .toList();
     }
 }
\ No newline at end of file
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/GroupCapsuleMemberDtoFixture.java b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/GroupCapsuleMemberDtoFixture.java
index 2e903e87b..4916f05d9 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/GroupCapsuleMemberDtoFixture.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/common/fixture/dto/GroupCapsuleMemberDtoFixture.java
@@ -12,9 +12,10 @@ public class GroupCapsuleMemberDtoFixture {
      * 맨 처음 사용자(dataPrefix)가 그룹장으로 설정된다.
      * <br>
      * 그룹 캡슐 개봉 상태는 전부 닫힌 상태이다.
+     *
      * @param dataPrefix 데이터에 붙여지는 prefix
-     * @param size dto 크기
-     * @param isOpened 전체 개봉 여부
+     * @param size       dto 크기
+     * @param isOpened   전체 개봉 여부
      * @return 그룹 캡슐에 대한 그룹원 목록
      */
     public static List<GroupCapsuleMemberDto> members(int dataPrefix, int size, boolean isOpened) {
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationServiceTest.java
index 705bb38fe..047daf146 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/auth/service/MessageVerificationServiceTest.java
@@ -6,22 +6,15 @@
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.BDDMockito.given;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
 
 import java.nio.charset.StandardCharsets;
 import java.util.Optional;
 import org.junit.jupiter.api.Test;
 import site.timecapsulearchive.core.common.dependency.UnitTestDependency;
-import site.timecapsulearchive.core.common.fixture.domain.MemberTemporaryFixture;
 import site.timecapsulearchive.core.domain.auth.data.dto.VerificationMessageSendDto;
 import site.timecapsulearchive.core.domain.auth.exception.CertificationNumberNotFoundException;
 import site.timecapsulearchive.core.domain.auth.exception.CertificationNumberNotMatchException;
 import site.timecapsulearchive.core.domain.auth.repository.MessageAuthenticationCacheRepository;
-import site.timecapsulearchive.core.domain.member.entity.Member;
-import site.timecapsulearchive.core.domain.member.entity.MemberTemporary;
-import site.timecapsulearchive.core.domain.member.repository.MemberRepository;
-import site.timecapsulearchive.core.domain.member.repository.MemberTemporaryRepository;
 import site.timecapsulearchive.core.infra.sms.manager.SmsApiManager;
 
 class MessageVerificationServiceTest {
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/GenericCapsuleServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/GenericCapsuleServiceTest.java
index 74b9015cc..43405bee3 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/GenericCapsuleServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/generic_capsule/service/GenericCapsuleServiceTest.java
@@ -17,10 +17,12 @@
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.capsule.CapsuleRepository;
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.image.ImageRepository;
 import site.timecapsulearchive.core.domain.capsule.generic_capsule.repository.video.VideoRepository;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.repository.GroupCapsuleOpenRepository;
 import site.timecapsulearchive.core.domain.capsuleskin.entity.CapsuleSkin;
 import site.timecapsulearchive.core.domain.capsuleskin.repository.CapsuleSkinRepository;
 import site.timecapsulearchive.core.domain.friend.repository.member_friend.MemberFriendRepository;
 import site.timecapsulearchive.core.domain.member.entity.Member;
+import site.timecapsulearchive.core.domain.member_group.repository.member_group_repository.MemberGroupRepository;
 import site.timecapsulearchive.core.global.error.ErrorCode;
 import site.timecapsulearchive.core.global.geography.GeoTransformManager;
 
@@ -29,14 +31,17 @@ public class GenericCapsuleServiceTest {
     private final CapsuleRepository capsuleRepository = mock(CapsuleRepository.class);
     private final MemberFriendRepository memberFriendRepository = mock(
         MemberFriendRepository.class);
+    private final MemberGroupRepository memberGroupRepository = mock(MemberGroupRepository.class);
+    private final GroupCapsuleOpenRepository groupCapsuleOpenRepository = mock(
+        GroupCapsuleOpenRepository.class);
     private final GeoTransformManager geoTransformManager = mock(GeoTransformManager.class);
     private final ImageRepository imageRepository = mock(ImageRepository.class);
     private final VideoRepository videoRepository = mock(VideoRepository.class);
     private final CapsuleSkinRepository capsuleSkinRepository = mock(CapsuleSkinRepository.class);
 
     private final CapsuleService capsuleService = new CapsuleService(capsuleRepository,
-        memberFriendRepository, geoTransformManager, imageRepository, videoRepository,
-        capsuleSkinRepository);
+        memberFriendRepository, memberGroupRepository, groupCapsuleOpenRepository,
+        geoTransformManager, imageRepository, videoRepository, capsuleSkinRepository);
 
     private final Member member = MemberFixture.member(1);
     private final CapsuleSkin capsuleSkin = CapsuleSkinFixture.capsuleSkin(member);
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepositoryTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepositoryTest.java
index 85657a310..9d5f459bf 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepositoryTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/repository/GroupCapsuleQueryRepositoryTest.java
@@ -27,10 +27,10 @@
 import site.timecapsulearchive.core.domain.capsule.entity.CapsuleType;
 import site.timecapsulearchive.core.domain.capsule.entity.GroupCapsuleOpen;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDetailDto;
-import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleMemberSummaryDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleSummaryDto;
+import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupCapsuleWithMemberDetailDto;
 import site.timecapsulearchive.core.domain.capsule.group_capsule.data.dto.GroupSpecificCapsuleSliceRequestDto;
 import site.timecapsulearchive.core.domain.capsuleskin.entity.CapsuleSkin;
 import site.timecapsulearchive.core.domain.group.entity.Group;
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
index cbbff0ed4..8622837f5 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/group_capsule/service/GroupCapsuleServiceTest.java
@@ -89,7 +89,6 @@ class GroupCapsuleServiceTest {
         given(memberGroupRepository.findGroupCapsuleMembers(groupId, capsuleId)).willReturn(
             GroupCapsuleMemberDtoFixture.members(1, 3, false));
 
-
         //when
         CombinedGroupCapsuleDetailDto response = groupCapsuleService.findGroupCapsuleDetailByGroupIdAndCapsuleId(
             memberId, capsuleId);
@@ -108,7 +107,6 @@ class GroupCapsuleServiceTest {
         given(memberGroupRepository.findGroupCapsuleMembers(groupId, capsuleId)).willReturn(
             GroupCapsuleMemberDtoFixture.members(1, 3, false));
 
-
         //when
         CombinedGroupCapsuleDetailDto response = groupCapsuleService.findGroupCapsuleDetailByGroupIdAndCapsuleId(
             memberId, capsuleId);
@@ -128,7 +126,6 @@ class GroupCapsuleServiceTest {
         given(memberGroupRepository.findGroupCapsuleMembers(groupId, capsuleId)).willReturn(
             GroupCapsuleMemberDtoFixture.members(1, 3, false));
 
-
         //when
         CombinedGroupCapsuleDetailDto response = groupCapsuleService.findGroupCapsuleDetailByGroupIdAndCapsuleId(
             memberId, capsuleId);
@@ -152,7 +149,6 @@ class GroupCapsuleServiceTest {
         given(memberGroupRepository.findGroupCapsuleMembers(groupId, capsuleId)).willReturn(
             GroupCapsuleMemberDtoFixture.members(1, 3, false));
 
-
         //when
         CombinedGroupCapsuleDetailDto response = groupCapsuleService.findGroupCapsuleDetailByGroupIdAndCapsuleId(
             memberId, capsuleId);
@@ -176,7 +172,6 @@ class GroupCapsuleServiceTest {
         given(memberGroupRepository.findGroupCapsuleMembers(groupId, capsuleId)).willReturn(
             GroupCapsuleMemberDtoFixture.members(1, 3, false));
 
-
         //when
         CombinedGroupCapsuleDetailDto response = groupCapsuleService.findGroupCapsuleDetailByGroupIdAndCapsuleId(
             memberId, capsuleId);
@@ -398,7 +393,8 @@ class GroupCapsuleServiceTest {
         //given
         Long groupId = 1L;
         int size = 20;
-        GroupSpecificCapsuleSliceRequestDto dto = GroupSpecificCapsuleSliceRequestDto.createOf(memberId, groupId,
+        GroupSpecificCapsuleSliceRequestDto dto = GroupSpecificCapsuleSliceRequestDto.createOf(
+            memberId, groupId,
             size, capsuleId);
         given(memberGroupRepository.existMemberGroupByMemberIdAndGroupId(memberId, groupId))
             .willReturn(false);
@@ -415,7 +411,8 @@ class GroupCapsuleServiceTest {
         //given
         Long groupId = 1L;
         int size = 20;
-        GroupSpecificCapsuleSliceRequestDto dto = GroupSpecificCapsuleSliceRequestDto.createOf(memberId, groupId,
+        GroupSpecificCapsuleSliceRequestDto dto = GroupSpecificCapsuleSliceRequestDto.createOf(
+            memberId, groupId,
             size, capsuleId);
         given(memberGroupRepository.existMemberGroupByMemberIdAndGroupId(memberId, groupId))
             .willReturn(true);
@@ -479,7 +476,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             memberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto).isNotNull();
@@ -500,7 +496,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             groupMemberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.hasEditPermission()).isFalse();
@@ -521,7 +516,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             groupMemberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.hasDeletePermission()).isFalse();
@@ -541,7 +535,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             memberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.hasEditPermission()).isTrue();
@@ -561,7 +554,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             memberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.hasDeletePermission()).isTrue();
@@ -581,7 +573,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             memberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.isRequestMemberCapsuleOpen()).isTrue();
@@ -601,7 +592,6 @@ class GroupCapsuleServiceTest {
         //when
         CombinedGroupCapsuleSummaryDto groupCapsuleSummaryDto = groupCapsuleService.findGroupCapsuleSummary(
             memberId, capsuleId);
-        ;
 
         //then
         assertThat(groupCapsuleSummaryDto.isRequestMemberCapsuleOpen()).isFalse();
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/media/repository/MediaQueryRepositoryTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/media/repository/MediaQueryRepositoryTest.java
index 71deb5ce9..03d8eb2cf 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/media/repository/MediaQueryRepositoryTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/media/repository/MediaQueryRepositoryTest.java
@@ -3,7 +3,6 @@
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import com.querydsl.jpa.impl.JPAQueryFactory;
 import jakarta.persistence.EntityManager;
 import java.util.List;
 import javax.sql.DataSource;
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/repository/PublicCapsuleQueryRepositoryTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/repository/PublicCapsuleQueryRepositoryTest.java
index d09cdf8a1..3e93f8b92 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/repository/PublicCapsuleQueryRepositoryTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/repository/PublicCapsuleQueryRepositoryTest.java
@@ -22,8 +22,6 @@
 import site.timecapsulearchive.core.domain.capsule.data.dto.CapsuleBasicInfoDto;
 import site.timecapsulearchive.core.domain.capsule.entity.Capsule;
 import site.timecapsulearchive.core.domain.capsule.entity.CapsuleType;
-import site.timecapsulearchive.core.domain.capsule.generic_capsule.data.dto.CapsuleDetailDto;
-import site.timecapsulearchive.core.domain.capsule.generic_capsule.data.dto.CapsuleSummaryDto;
 import site.timecapsulearchive.core.domain.capsule.public_capsule.data.dto.PublicCapsuleDetailDto;
 import site.timecapsulearchive.core.domain.capsule.public_capsule.data.dto.PublicCapsuleSummaryDto;
 import site.timecapsulearchive.core.domain.capsuleskin.entity.CapsuleSkin;
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/service/PublicCapsuleServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/service/PublicCapsuleServiceTest.java
index b732a53ed..ba362c92a 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/service/PublicCapsuleServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/capsule/public_capsule/service/PublicCapsuleServiceTest.java
@@ -9,7 +9,6 @@
 import org.junit.jupiter.api.Test;
 import org.springframework.context.annotation.Import;
 import site.timecapsulearchive.core.common.fixture.dto.CapsuleDtoFixture;
-import site.timecapsulearchive.core.domain.capsule.generic_capsule.data.dto.CapsuleDetailDto;
 import site.timecapsulearchive.core.domain.capsule.public_capsule.data.dto.PublicCapsuleDetailDto;
 import site.timecapsulearchive.core.domain.capsule.public_capsule.repository.PublicCapsuleQueryRepository;
 import site.timecapsulearchive.core.global.geography.GeoTransformConfig;
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/friend/service/command/FriendCommandServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/friend/service/command/FriendCommandServiceTest.java
index 63523ef95..a69c66c18 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/friend/service/command/FriendCommandServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/friend/service/command/FriendCommandServiceTest.java
@@ -131,7 +131,8 @@ class FriendCommandServiceTest {
         //given
         Long memberId = 1L;
         Long friendId = 2L;
-        given(friendInviteRepository.findFriendInviteMemberIdsDtoByMemberIdAndFriendId(anyLong(), anyLong()))
+        given(friendInviteRepository.findFriendInviteMemberIdsDtoByMemberIdAndFriendId(anyLong(),
+            anyLong()))
             .willReturn(FriendInviteMemberIdsDtoFixture.duplicate(memberId, friendId));
 
         //when
@@ -146,7 +147,8 @@ class FriendCommandServiceTest {
         //given
         Long memberId = 1L;
         Long friendId = 2L;
-        given(friendInviteRepository.findFriendInviteMemberIdsDtoByMemberIdAndFriendId(anyLong(), anyLong()))
+        given(friendInviteRepository.findFriendInviteMemberIdsDtoByMemberIdAndFriendId(anyLong(),
+            anyLong()))
             .willReturn(FriendInviteMemberIdsDtoFixture.twoWay(memberId, friendId));
 
         //when
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/member/service/MemberServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/member/service/MemberServiceTest.java
index b4dee4579..3d02027a8 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/member/service/MemberServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/member/service/MemberServiceTest.java
@@ -15,7 +15,6 @@
 import site.timecapsulearchive.core.common.fixture.domain.MemberTemporaryFixture;
 import site.timecapsulearchive.core.domain.member.data.dto.MemberStatusDto;
 import site.timecapsulearchive.core.domain.member.data.dto.VerifiedCheckDto;
-import site.timecapsulearchive.core.domain.member.data.response.MemberStatusResponse;
 import site.timecapsulearchive.core.domain.member.entity.Member;
 import site.timecapsulearchive.core.domain.member.entity.MemberTemporary;
 import site.timecapsulearchive.core.domain.member.entity.SocialType;
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationProviderTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationProviderTest.java
index 72d57dbd1..51265452b 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationProviderTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtAuthenticationProviderTest.java
@@ -135,8 +135,10 @@ class JwtAuthenticationProviderTest {
     void 블랙리스트에_있는_토큰으로_접근하면_예외가_발생한다() {
         //given
         String accessToken = TokenFixture.accessToken(MEMBER_ID);
-        JwtAuthenticationToken unauthenticated = JwtAuthenticationToken.unauthenticated(accessToken);
-        given(blackListCacheRepository.findBlackListTokenByMemberId(MEMBER_ID)).willReturn(accessToken);
+        JwtAuthenticationToken unauthenticated = JwtAuthenticationToken.unauthenticated(
+            accessToken);
+        given(blackListCacheRepository.findBlackListTokenByMemberId(MEMBER_ID)).willReturn(
+            accessToken);
 
         //when
         //then
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtFactoryTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtFactoryTest.java
index e6221f13f..03d6aa614 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtFactoryTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/global/security/jwt/JwtFactoryTest.java
@@ -13,7 +13,7 @@ class JwtFactoryTest {
 
     private static final Long MEMBER_ID = 1L;
 
-    private JwtFactory jwtFactory = UnitTestDependency.jwtFactory();
+    private final JwtFactory jwtFactory = UnitTestDependency.jwtFactory();
 
     @Test
     void 사용자_아이디로_액세스_토큰을_생성하면_액세스_토큰이_나온다() {