diff --git a/design/backend/sequence/inner/participation-당첨자추첨.puml b/design/backend/sequence/inner/participation-당첨자추첨.puml
index 8d09789..f286b20 100644
--- a/design/backend/sequence/inner/participation-당첨자추첨.puml
+++ b/design/backend/sequence/inner/participation-당첨자추첨.puml
@@ -11,7 +11,6 @@ participant "LotteryAlgorithm" as Lottery
 participant "ParticipantRepository" as Repo
 participant "DrawLogRepository" as LogRepo
 database "Participation DB" as DB
-participant "KafkaProducer" as Kafka
 
 == UFR-PART-030: 당첨자 추첨 ==
 
@@ -147,25 +146,6 @@ else JWT 검증 성공
 
                 Service -> Service: DB 트랜잭션 커밋
 
-                Service -> Kafka: Publish Event\n"WinnerSelected"\nTopic: participant-events
-                activate Kafka
-                note right of Kafka
-                    Event Payload:
-                    {
-                      "eventId": "UUID",
-                      "winners": [
-                        {
-                          "participantId": "UUID",
-                          "name": "홍길동",
-                          "phone": "010-1234-5678"
-                        }
-                      ],
-                      "timestamp": "2025-10-22T15:00:00Z"
-                    }
-                end note
-                Kafka --> Service: 이벤트 발행 완료
-                deactivate Kafka
-
                 Service --> Controller: DrawWinnersResponse\n{당첨자목록, 추첨로그ID}
                 deactivate Service