diff --git a/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs b/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs
index d8cb5da15cd935..4a349d8b303117 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Threading/WaitSubsystem.Unix.cs
@@ -344,7 +344,6 @@ public static int Wait(
             bool waitForAll,
             int timeoutMilliseconds)
         {
-            Debug.Assert(waitHandles != null);
             Debug.Assert(waitHandles.Length > 0);
             Debug.Assert(waitHandles.Length <= WaitHandle.MaxWaitHandles);
             Debug.Assert(timeoutMilliseconds >= -1);