diff --git a/CryptoExchange.Net/Objects/ApiProxy.cs b/CryptoExchange.Net/Objects/ApiProxy.cs
index 9b66e7f..bbbd65e 100644
--- a/CryptoExchange.Net/Objects/ApiProxy.cs
+++ b/CryptoExchange.Net/Objects/ApiProxy.cs
@@ -58,9 +58,6 @@ namespace CryptoExchange.Net.Objects
         /// <param name="password">The proxy password</param>
         public ApiProxy(string host, int port, string? login, SecureString? password)
         {
-            if (string.IsNullOrEmpty(login))
-                throw new ArgumentException("Proxy login not provided");
-
             if (!host.StartsWith("http"))
                 throw new ArgumentException("Proxy host should start with either http:// or https://");