diff --git a/apps/api/src/app/export/export.service.ts b/apps/api/src/app/export/export.service.ts
index c092c347e..b540fe363 100644
--- a/apps/api/src/app/export/export.service.ts
+++ b/apps/api/src/app/export/export.service.ts
@@ -1,6 +1,5 @@
 import { environment } from '@ghostfolio/api/environments/environment';
 import { PrismaService } from '@ghostfolio/api/services/prisma.service';
-import { isUUID } from '@ghostfolio/common/helper';
 import { Export } from '@ghostfolio/common/interfaces';
 import { Injectable } from '@nestjs/common';
 
diff --git a/libs/common/src/lib/helper.ts b/libs/common/src/lib/helper.ts
index 4ddb88fcf..dbfc787f3 100644
--- a/libs/common/src/lib/helper.ts
+++ b/libs/common/src/lib/helper.ts
@@ -106,12 +106,6 @@ export function isGhostfolioScraperApiSymbol(aSymbol = '') {
   return aSymbol.startsWith(ghostfolioScraperApiSymbolPrefix);
 }
 
-export function isUUID(aString: string) {
-  const regexExp =
-    /^[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}$/gi;
-  return regexExp.test(aString);
-}
-
 export function resetHours(aDate: Date) {
   const year = getYear(aDate);
   const month = getMonth(aDate);
diff --git a/libs/ui/src/lib/activities-table/activities-table.component.ts b/libs/ui/src/lib/activities-table/activities-table.component.ts
index 83203c0a7..4c19c73ff 100644
--- a/libs/ui/src/lib/activities-table/activities-table.component.ts
+++ b/libs/ui/src/lib/activities-table/activities-table.component.ts
@@ -21,10 +21,10 @@ import { MatTableDataSource } from '@angular/material/table';
 import { Router } from '@angular/router';
 import { Activity } from '@ghostfolio/api/app/order/interfaces/activities.interface';
 import { DEFAULT_DATE_FORMAT } from '@ghostfolio/common/config';
-import { isUUID } from '@ghostfolio/common/helper';
 import { OrderWithAccount } from '@ghostfolio/common/types';
 import { DataSource } from '@prisma/client';
 import Big from 'big.js';
+import { isUUID } from 'class-validator';
 import { endOfToday, format, isAfter } from 'date-fns';
 import { isNumber } from 'lodash';
 import { BehaviorSubject, Observable, Subject, Subscription } from 'rxjs';