1 files changed, 0 insertions, 18 deletions
diff --git a/src/pkg/net/tcpsockopt_plan9.go b/src/pkg/net/tcpsockopt_plan9.go
deleted file mode 100644
index 0e7a6647c..000000000
--- a/src/pkg/net/tcpsockopt_plan9.go
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2014 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// TCP socket options for plan9
-
-package net
-
-import (
-	"time"
-)
-
-// Set keep alive period.
-func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
-	cmd := "keepalive " + string(int64(d/time.Millisecond))
-	_, e := fd.ctl.WriteAt([]byte(cmd), 0)
-	return e
-}