diff --git a/src/libs/actions/Report.ts b/src/libs/actions/Report.ts
index 043f99265b5f..cef236a3e1bb 100644
--- a/src/libs/actions/Report.ts
+++ b/src/libs/actions/Report.ts
@@ -2120,6 +2120,24 @@ function leaveRoom(reportID: string, isWorkspaceMemberLeavingWorkspaceRoom = fal
         },
     ];
 
+    if (report.parentReportID && report.parentReportActionID) {
+        optimisticData.push({
+            onyxMethod: Onyx.METHOD.MERGE,
+            key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${report.parentReportID}`,
+            value: {[report.parentReportActionID]: {childReportNotificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN}},
+        });
+        successData.push({
+            onyxMethod: Onyx.METHOD.MERGE,
+            key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${report.parentReportID}`,
+            value: {[report.parentReportActionID]: {childReportNotificationPreference: CONST.REPORT.NOTIFICATION_PREFERENCE.HIDDEN}},
+        });
+        failureData.push({
+            onyxMethod: Onyx.METHOD.MERGE,
+            key: `${ONYXKEYS.COLLECTION.REPORT_ACTIONS}${report.parentReportID}`,
+            value: {[report.parentReportActionID]: {childReportNotificationPreference: report.notificationPreference}},
+        });
+    }
+
     type LeaveRoomParameters = {
         reportID: string;
     };