diff --git a/be/app/Http/Controllers/SubTaskController.php b/be/app/Http/Controllers/SubTaskController.php
index 9d40ff7..fe5aadd 100644
--- a/be/app/Http/Controllers/SubTaskController.php
+++ b/be/app/Http/Controllers/SubTaskController.php
@@ -211,7 +211,6 @@ class SubTaskController extends Controller
         }
 
         $validator = Validator::make($request->all(), [
-            'data.employee_id' => 'required',
             'data.duration' => 'required',
         ]);