From 1f78b08475540f70f1e4307e537d9fc1119afe80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Cant=C3=BA?= <dacantu@microsoft.com>
Date: Fri, 19 Apr 2024 14:53:46 -0500
Subject: [PATCH] Remove duplicated check added on conflicting merge

---
 .../src/System/Threading/Tasks/Task.cs                       | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs b/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs
index 3e57afadcd3f8b..ab532be3e3da4e 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs
@@ -4743,11 +4743,6 @@ public static void WaitAll(/*params*/ ReadOnlySpan<Task> tasks)
         [MethodImpl(MethodImplOptions.NoOptimization)]  // this is needed for the parallel debugger
         public static bool WaitAll(Task[] tasks, TimeSpan timeout)
         {
-            if (tasks is null)
-            {
-                ThrowHelper.ThrowArgumentNullException(ExceptionArgument.tasks);
-            }
-
             long totalMilliseconds = (long)timeout.TotalMilliseconds;
             if (totalMilliseconds is < -1 or > int.MaxValue)
             {