diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
index d34120de..c469fcf7 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/message/message-detail.dialog.component.ts
@@ -31,7 +31,7 @@ import {
   RetrieveResourceFileRequest,
   CancelRequest
 } from '@ucap-webmessenger/api-message';
-import { DeviceType, MimeUtil, FileUtil } from '@ucap-webmessenger/core';
+import { MimeUtil, FileUtil } from '@ucap-webmessenger/core';
 import { LoginResponse } from '@ucap-webmessenger/protocol-authentication';
 import { NGXLogger } from 'ngx-logger';
 import { NativeService, UCAP_NATIVE_SERVICE } from '@ucap-webmessenger/native';
@@ -589,12 +589,23 @@ export class MessageDetailDialogComponent implements OnInit {
             take(1),
             map(async res => {
               if (res.responseCode === MessageStatusCode.Success) {
-                this.receivers.forEach(user => {
-                  if (cancelUserSeqs.indexOf(user.userSeq) >= 0) {
-                    user.cancelYn = true;
-                    user.readYn = false;
-                  }
-                });
+                this.receivers = [
+                  ...this.receivers.map(user => {
+                    if (cancelUserSeqs.indexOf(user.userSeq) >= 0) {
+                      return {
+                        userSeq: user.userSeq,
+                        userName: user.userName,
+                        cancelYn: true,
+                        readDate: user.readDate,
+                        readYn: false
+                      };
+                    }
+
+                    return user;
+                  })
+                ];
+
+                this.unReadUsers.deselectAll();
                 this.selectedUnreadUserSeqs = [];
                 this.rightDrawer.close();
               } else {
diff --git a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
index 14963bbb..65c861bb 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -112,6 +112,7 @@ import { Dictionary } from '@ngrx/entity';
 import { MessageType } from '@ucap-webmessenger/api-message';
 import { LogoutInfo, KEY_LOGOUT_INFO } from '@app/types';
 import { TranslateService } from '@ngx-translate/core';
+import { deleteMessageSuccess } from '@app/store/messenger/message';
 
 @Injectable()
 export class AppNotificationService {
@@ -657,13 +658,19 @@ export class AppNotificationService {
                   noti
                 );
 
-                console.log('TODO :: remove state logic');
-                // // Receive Message List refresh..
-                // this.store.dispatch(
-                //   MessageStore.retrieveMessage({
-                //     messageType: MessageType.Receive
-                //   })
-                // );
+                // Remove one Receive Message
+                if (!!noti && !!noti.keyId) {
+                  this.store.dispatch(
+                    deleteMessageSuccess({
+                      messageType: MessageType.Receive,
+                      msgList: [
+                        {
+                          msgId: Number(noti.keyId)
+                        }
+                      ]
+                    })
+                  );
+                }
               }
               break;
 
diff --git a/projects/ucap-webmessenger-protocol-umg/src/lib/protocols/del-noti.ts b/projects/ucap-webmessenger-protocol-umg/src/lib/protocols/del-noti.ts
index 2dd105be..65fcd24a 100644
--- a/projects/ucap-webmessenger-protocol-umg/src/lib/protocols/del-noti.ts
+++ b/projects/ucap-webmessenger-protocol-umg/src/lib/protocols/del-noti.ts
@@ -12,6 +12,8 @@ export interface UmgDeleteNotiNotification extends ProtocolNotification {
   senderSeq: number;
   /** { 송신자정보 } */
   senderInfo: SenderInfo;
+  /** keyID(s) */
+  keyId: string;
 }
 
 export const decodeUmgDeleteNotiNotification: ProtocolDecoder<UmgDeleteNotiNotification> = (
@@ -31,6 +33,8 @@ export const decodeUmgDeleteNotiNotification: ProtocolDecoder<UmgDeleteNotiNotif
     /** 송신자SEQ(n) */
     senderSeq: Number(message.bodyList[0]),
     /** { 송신자정보 } */
-    senderInfo
+    senderInfo,
+    /** keyID(s) */
+    keyId: message.bodyList[2]
   } as UmgDeleteNotiNotification);
 };