diff --git a/proxy/socks/socks.go b/proxy/socks/socks.go
index 98e88ca95..540fb728f 100644
--- a/proxy/socks/socks.go
+++ b/proxy/socks/socks.go
@@ -7,7 +7,6 @@ import (
 	"net"
 	"strconv"
 	"sync"
-	"time"
 
 	"github.com/v2ray/v2ray-core"
 	"github.com/v2ray/v2ray-core/common/log"
@@ -57,10 +56,6 @@ func (server *SocksServer) AcceptConnections(listener net.Listener) {
 		if err != nil {
 			log.Error("Error on accepting socks connection: %v", err)
 		}
-		if tcpConn, ok := connection.(*net.TCPConn); ok {
-			tcpConn.SetKeepAlive(true)
-			tcpConn.SetKeepAlivePeriod(4 * time.Second)
-		}
 		go server.HandleConnection(connection)
 	}
 }
diff --git a/proxy/vmess/vmessin.go b/proxy/vmess/vmessin.go
index 30fc9411c..1a17af32d 100644
--- a/proxy/vmess/vmessin.go
+++ b/proxy/vmess/vmessin.go
@@ -54,10 +54,6 @@ func (handler *VMessInboundHandler) AcceptConnections(listener net.Listener) err
 		if err != nil {
 			return log.Error("Failed to accpet connection: %s", err.Error())
 		}
-		if tcpConn, ok := connection.(*net.TCPConn); ok {
-			tcpConn.SetKeepAlive(true)
-			tcpConn.SetKeepAlivePeriod(4 * time.Second)
-		}
 		go handler.HandleConnection(connection)
 	}
 	return nil