diff --git a/websocket-sharp/Net/ClientSslConfiguration.cs b/websocket-sharp/Net/ClientSslConfiguration.cs
index fc7bebe9..2ca769cb 100644
--- a/websocket-sharp/Net/ClientSslConfiguration.cs
+++ b/websocket-sharp/Net/ClientSslConfiguration.cs
@@ -59,14 +59,6 @@ namespace WebSocketSharp.Net
 
     #region Public Constructors
 
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ClientSslConfiguration"/> class.
-    /// </summary>
-    public ClientSslConfiguration ()
-    {
-      _enabledSslProtocols = SslProtocols.None;
-    }
-
     /// <summary>
     /// Initializes a new instance of the <see cref="ClientSslConfiguration"/>
     /// class with the specified target host server name.