diff --git a/main.go b/main.go
index 198ce82..f500faa 100644
--- a/main.go
+++ b/main.go
@@ -12,7 +12,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/pretty66/websocketproxy"
 	"github.com/viki-org/dnscache"
 )
 
@@ -95,32 +94,6 @@ func (c *Config) serveHTTPProxy(w http.ResponseWriter, r *http.Request, endpoint
 		log.Printf("[%s] %v", c.key(r), err)
 	}
 
-	isWebsocket := r.Header.Get("Connection") == "Upgrade" || r.Header.Get("Se-Fetch-Mode") == "websocket" || r.Header.Get("Sec-WebSocket-Version") != "" || r.Header.Get("Upgrade") == "websocket"
-	if isWebsocket {
-		wsu := *u
-		if strings.HasPrefix(wsu.Scheme, "s") {
-			wsu.Scheme = "wss"
-		} else {
-			wsu.Scheme = "ws"
-		}
-		wp, err := websocketproxy.NewProxy(wsu.String(), func(r2 *http.Request) error {
-			r2.Header.Set("Cookie", r.Header.Get("Cookie"))
-			u3 := *u
-			u3.Path = "/"
-			r2.Header.Set("Origin", u3.String())
-			if debug {
-				log.Printf("r2.Header[Origin] = %q", r2.Header.Get("Origin"))
-			}
-			return nil
-		})
-		if err != nil {
-			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return
-		}
-		wp.ServeHTTP(w, r)
-		return
-	}
-
 	var transport http.Transport
 	transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
 	if ip, _ := resolver.FetchOneString(strings.Split(u.Host, ":")[0]); ip != "" {