diff --git a/src/main/java/org/kkumulkkum/server/api/promise/service/PromiseService.java b/src/main/java/org/kkumulkkum/server/api/promise/service/PromiseService.java
index 6be190a..a05c917 100644
--- a/src/main/java/org/kkumulkkum/server/api/promise/service/PromiseService.java
+++ b/src/main/java/org/kkumulkkum/server/api/promise/service/PromiseService.java
@@ -100,20 +100,6 @@ public PromisesDto getPromises(
             final Boolean done,
             final Boolean isParticipant
     ) {
-//        List<Promise> allPromises = promiseRetriever.findAllByMeetingId(meetingId);
-//        List<Promise> userPromises = promiseRetriever.findPromiseByUserIdAndMeetingId(userId, meetingId);
-//        List<Promise> promises;
-//
-//        if (Boolean.TRUE.equals(isParticipant)) {
-//            promises = userPromises;
-//        } else if (Boolean.FALSE.equals(isParticipant)) {
-//            promises = allPromises.stream()
-//                    .filter(promise -> !userPromises.contains(promise))
-//                    .collect(Collectors.toList());
-//        } else {
-//            promises = allPromises;
-//        }
-
         List<Promise> promises = promiseRetriever.findPromisesByConditions(userId, meetingId, done, isParticipant);
 
         return PromisesDto.of(promises);
diff --git a/src/main/java/org/kkumulkkum/server/domain/promise/repository/custom/PromiseRepositoryCustomImpl.java b/src/main/java/org/kkumulkkum/server/domain/promise/repository/custom/PromiseRepositoryCustomImpl.java
index 90ef383..faac51a 100644
--- a/src/main/java/org/kkumulkkum/server/domain/promise/repository/custom/PromiseRepositoryCustomImpl.java
+++ b/src/main/java/org/kkumulkkum/server/domain/promise/repository/custom/PromiseRepositoryCustomImpl.java
@@ -23,8 +23,8 @@ public class PromiseRepositoryCustomImpl implements PromiseRepositoryCustom {
     public List<Promise> findPromiseByConditions(Long userId, Long meetingId, Boolean done, Boolean isParticipant) {
         return queryFactory
                 .selectFrom(promise)
-                .join(promise.participants, participant).fetchJoin()
-                .join(participant.member, member).fetchJoin()
+                .leftJoin(promise.participants, participant).fetchJoin()
+                .leftJoin(participant.member, member).fetchJoin()
                 .where(
                         meetingIdEq(meetingId),
                         isParticipantEq(userId, meetingId, isParticipant),