diff --git a/src/main/resources/db/migration/V20251020__core_attendance_record.sql b/src/main/resources/db/migration/V20251020__core_attendance_record.sql
deleted file mode 100644
index fc56172..0000000
--- a/src/main/resources/db/migration/V20251020__core_attendance_record.sql
+++ /dev/null
@@ -1,165 +0,0 @@
--- 0) 트랜잭션 (선택)
-BEGIN;
-
--- 1) meetings 테이블 신설 (날짜=PK)
-CREATE TABLE IF NOT EXISTS public.meetings
-(
-    meeting_date DATE PRIMARY KEY,
-    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
-);
-
--- 2) attendance_records 구조 보강/정렬
--- 2-1) id 컬럼(IDENTITY) 없으면 추가
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.columns
-                       WHERE table_schema = 'public'
-                         AND table_name = 'attendance_records'
-                         AND column_name = 'id') THEN
-            ALTER TABLE public.attendance_records
-                ADD COLUMN id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY;
-        END IF;
-    END
-$$;
-
--- 2-2) meeting_date 컬럼 추가 또는 date→meeting_date로 리네임
-DO
-$$
-    BEGIN
-        IF EXISTS (SELECT 1
-                   FROM information_schema.columns
-                   WHERE table_schema = 'public'
-                     AND table_name = 'attendance_records'
-                     AND column_name = 'date') AND NOT EXISTS (SELECT 1
-                                                               FROM information_schema.columns
-                                                               WHERE table_schema = 'public'
-                                                                 AND table_name = 'attendance_records'
-                                                                 AND column_name = 'meeting_date') THEN
-            ALTER TABLE public.attendance_records
-                RENAME COLUMN "date" TO meeting_date;
-        END IF;
-
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.columns
-                       WHERE table_schema = 'public'
-                         AND table_name = 'attendance_records'
-                         AND column_name = 'meeting_date') THEN
-            ALTER TABLE public.attendance_records
-                ADD COLUMN meeting_date DATE NOT NULL DEFAULT CURRENT_DATE;
-            -- 필요 시 DEFAULT 제거
-            ALTER TABLE public.attendance_records
-                ALTER COLUMN meeting_date DROP DEFAULT;
-        END IF;
-    END
-$$;
-
--- 2-3) present 컬럼 없으면 추가
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.columns
-                       WHERE table_schema = 'public'
-                         AND table_name = 'attendance_records'
-                         AND column_name = 'present') THEN
-            ALTER TABLE public.attendance_records
-                ADD COLUMN present BOOLEAN NOT NULL DEFAULT FALSE;
-        END IF;
-    END
-$$;
-
--- 2-4) updated_at / updated_by 컬럼 추가
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.columns
-                       WHERE table_schema = 'public'
-                         AND table_name = 'attendance_records'
-                         AND column_name = 'updated_at') THEN
-            ALTER TABLE public.attendance_records
-                ADD COLUMN updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();
-        END IF;
-
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.columns
-                       WHERE table_schema = 'public'
-                         AND table_name = 'attendance_records'
-                         AND column_name = 'updated_by') THEN
-            ALTER TABLE public.attendance_records
-                ADD COLUMN updated_by BIGINT NULL;
-        END IF;
-    END
-$$;
-
--- 2-5) user_id FK 보강 (이미 있으면 스킵)
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.constraint_column_usage
-                       WHERE table_name = 'attendance_records'
-                         AND constraint_name = 'fk_attendance_user') THEN
-            ALTER TABLE public.attendance_records
-                ADD CONSTRAINT fk_attendance_user
-                    FOREIGN KEY (user_id) REFERENCES public.users (id) ON DELETE CASCADE;
-        END IF;
-    END
-$$;
-
--- 2-6) meeting_date FK (meetings) 보강
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1
-                       FROM information_schema.constraint_column_usage
-                       WHERE table_name = 'attendance_records'
-                         AND constraint_name = 'fk_attendance_meeting') THEN
-            ALTER TABLE public.attendance_records
-                ADD CONSTRAINT fk_attendance_meeting
-                    FOREIGN KEY (meeting_date) REFERENCES public.meetings (meeting_date) ON DELETE CASCADE;
-        END IF;
-    END
-$$;
-
--- 2-7) UNIQUE(meeting_date, user_id) 재정의
-DO
-$$
-    DECLARE
-        c TEXT;
-    BEGIN
-        FOR c IN
-            SELECT conname
-            FROM pg_constraint
-            WHERE conrelid = 'public.attendance_records'::regclass
-              AND contype = 'u'
-            LOOP
-                EXECUTE format('ALTER TABLE public.attendance_records DROP CONSTRAINT %I', c);
-            END LOOP;
-
-        ALTER TABLE public.attendance_records
-            ADD CONSTRAINT uq_attendance UNIQUE (meeting_date, user_id);
-    END
-$$;
-
--- 3) 인덱스들
-DO
-$$
-    BEGIN
-        IF NOT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_attendance_user_date') THEN
-            CREATE INDEX idx_attendance_user_date ON public.attendance_records (user_id, meeting_date DESC);
-        END IF;
-
-        IF NOT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_attendance_date_only') THEN
-            CREATE INDEX idx_attendance_date_only ON public.attendance_records (meeting_date DESC);
-        END IF;
-
-        IF NOT EXISTS (SELECT 1 FROM pg_class WHERE relname = 'idx_users_team_role') THEN
-            CREATE INDEX idx_users_team_role ON public.users (team, user_role);
-        END IF;
-    END
-$$;
-
-COMMIT;
\ No newline at end of file
diff --git a/src/main/resources/db/migration/V20251021__user_role_and_team_update.sql b/src/main/resources/db/migration/V20251021__user_role_and_team_update.sql
deleted file mode 100644
index 0b0e325..0000000
--- a/src/main/resources/db/migration/V20251021__user_role_and_team_update.sql
+++ /dev/null
@@ -1,60 +0,0 @@
--- 1) users.user_role 관련 기존 CHECK 제약 전부 제거
-DO $$ DECLARE r record;
-BEGIN FOR r IN
-SELECT conname
-FROM pg_constraint c
-         JOIN pg_class t ON t.oid = c.conrelid
-         JOIN pg_namespace n ON n.oid = t.relnamespace
-WHERE t.relname = 'users'
-  AND n.nspname = 'public'
-  AND c.contype = 'c'
-  AND pg_get_constraintdef(c.oid) ILIKE '%user_role%'
-  LOOP
-EXECUTE format('ALTER TABLE public.users DROP CONSTRAINT %I', r.conname);
-END LOOP;
-END $$;
-
--- 2) user_role 기본값 제거 후 타입을 VARCHAR(32)로 통일
-ALTER TABLE public.users
-    ALTER COLUMN user_role DROP DEFAULT;
-ALTER TABLE public.users
-    ALTER COLUMN user_role TYPE varchar (32)
-    USING user_role:: text;
-
--- 3) user_role 기본값 및 새로운 CHECK 제약 생성
-ALTER TABLE public.users
-    ALTER COLUMN user_role SET DEFAULT 'GUEST';
-
-DO $$
-BEGIN IF NOT EXISTS (
-    SELECT 1
-    FROM pg_constraint
-    WHERE conname = 'users_user_role_check'
-      AND conrelid = 'public.users'::regclass
-  ) THEN
-ALTER TABLE public.users
-    ADD CONSTRAINT users_user_role_check
-        CHECK (user_role IN ('GUEST', 'MEMBER', 'CORE', 'LEAD', 'ORGANIZER', 'ADMIN'));
-END IF;
-END $$;
-
--- 4) 팀 컬럼 추가(널 허용). 값은 enum name 저장: 'HR','PR_DESIGN','TECH','BD'
-ALTER TABLE public.users
-    ADD COLUMN IF NOT EXISTS team varchar (32);
-
--- 5) 팀 CHECK 제약 (NULL 허용)
-DO $$
-BEGIN IF NOT EXISTS (
-    SELECT 1
-    FROM pg_constraint
-    WHERE conname = 'users_team_check'
-      AND conrelid = 'public.users'::regclass
-  ) THEN
-ALTER TABLE public.users
-    ADD CONSTRAINT users_team_check
-        CHECK (
-            team IS NULL
-                OR team IN ('HR', 'PR_DESIGN', 'TECH', 'BD')
-            );
-END IF;
-END $$;
\ No newline at end of file