diff --git a/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestDto.java b/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestDto.java
index 84573a6..ac544cf 100644
--- a/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestDto.java
+++ b/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestDto.java
@@ -8,7 +8,6 @@
 @AllArgsConstructor
 @NoArgsConstructor
 public class FcmNotificationRequestDto {
-    private Long acId; // 추가된 acId 필드
     private String targetUserPhoneNumber;
     private String title;
     private String body;
diff --git a/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestListDto.java b/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestListDto.java
index dba6455..297f404 100644
--- a/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestListDto.java
+++ b/src/main/java/com/example/howmuch/dto/fcm/FcmNotificationRequestListDto.java
@@ -11,7 +11,6 @@
 @AllArgsConstructor
 @NoArgsConstructor
 public class FcmNotificationRequestListDto {
-    private Long acId;
     private List<String> targetUserPhoneNumber;
     private String title;
     private String body;
diff --git a/src/main/java/com/example/howmuch/service/fcm/FcmNotificationService.java b/src/main/java/com/example/howmuch/service/fcm/FcmNotificationService.java
index 43fb19a..7ed20da 100644
--- a/src/main/java/com/example/howmuch/service/fcm/FcmNotificationService.java
+++ b/src/main/java/com/example/howmuch/service/fcm/FcmNotificationService.java
@@ -35,7 +35,7 @@ public FcmNotificationResponseDto sendNotificationToGroup(FcmNotificationRequest
             sendNotification(phoneNumber, requestDto.getTitle(), requestDto.getBody(), validUserPhoneNumber, invalidUserPhoneNumber);
         }
 
-        return buildResponse(validUserPhoneNumber, invalidUserPhoneNumber, requestDto.getAcId(), requestDto.getTargetUserPhoneNumber());
+        return buildResponse(validUserPhoneNumber, invalidUserPhoneNumber, requestDto.getTargetUserPhoneNumber());
     }
 
     // 1 대 1 으로
@@ -82,7 +82,7 @@ private void sendNotification(String phoneNumber, String title, String body) {
         sendNotification(phoneNumber, title, body, new ArrayList<>(), new ArrayList<>());
     }
 
-    private FcmNotificationResponseDto buildResponse(List<String> validUserPhoneNumber, List<String> invalidUserPhoneNumber, Long acId, List<String> targetUserPhoneNumber) {
+    private FcmNotificationResponseDto buildResponse(List<String> validUserPhoneNumber, List<String> invalidUserPhoneNumber, List<String> targetUserPhoneNumber) {
         FcmNotificationResponseDto responseDto = new FcmNotificationResponseDto();
 
         if (validUserPhoneNumber.isEmpty()) {
@@ -93,9 +93,6 @@ private FcmNotificationResponseDto buildResponse(List<String> validUserPhoneNumb
             log.info("유효하지 않은 유저 수: {}", invalidUserPhoneNumber.size());
             responseDto.setResponseMessage("알림을 성공적으로 전달하였습니다. 유효한 유저 수: " + validUserPhoneNumber.size());
         }
-
-        responseDto.setAcId(acId); // ACID 설정
-
         return responseDto;
     }