diff --git a/src/KubernetesClient/Kubernetes.WebSocket.cs b/src/KubernetesClient/Kubernetes.WebSocket.cs
index 9d336d5e..5da20c8c 100644
--- a/src/KubernetesClient/Kubernetes.WebSocket.cs
+++ b/src/KubernetesClient/Kubernetes.WebSocket.cs
@@ -62,11 +62,6 @@ public partial class Kubernetes
                 throw new ArgumentOutOfRangeException(nameof(command));
             }
 
-            if (command == null)
-            {
-                throw new ArgumentNullException(nameof(command));
-            }
-
             var commandArray = command.ToArray();
             foreach (var c in commandArray)
             {