From 4ad02488aeeda23e9d446e84098f7178b949c310 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sun, 14 Jun 2020 15:48:30 +0900
Subject: [PATCH] [Modify] Remove it

---
 websocket-sharp/Net/WebHeaderCollection.cs | 21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/websocket-sharp/Net/WebHeaderCollection.cs b/websocket-sharp/Net/WebHeaderCollection.cs
index 40ad226c..3f78517f 100644
--- a/websocket-sharp/Net/WebHeaderCollection.cs
+++ b/websocket-sharp/Net/WebHeaderCollection.cs
@@ -827,27 +827,6 @@ namespace WebSocketSharp.Net
       }
     }
 
-    private void checkState (bool response)
-    {
-      if (_state == HttpHeaderType.Unspecified)
-        return;
-
-      if (response) {
-        if (_state == HttpHeaderType.Response)
-          return;
-
-        var msg = "This collection is already in use for the request headers.";
-
-        throw new InvalidOperationException (msg);
-      }
-
-      if (_state == HttpHeaderType.Response) {
-        var msg = "This collection is already in use for the response headers.";
-
-        throw new InvalidOperationException (msg);
-      }
-    }
-
     private static string checkValue (string value)
     {
       if (value == null)