diff --git a/windows/asm.s b/windows/asm.s
deleted file mode 100644
index aaef9fe9..00000000
--- a/windows/asm.s
+++ /dev/null
@@ -1,10 +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.
-
-// +build windows
-
-#include "textflag.h"
-
-TEXT ·use(SB),NOSPLIT,$0
-	RET
diff --git a/windows/syscall.go b/windows/syscall.go
index a8cc609b..4e2fbe86 100644
--- a/windows/syscall.go
+++ b/windows/syscall.go
@@ -23,7 +23,6 @@ package windows // import "golang.org/x/sys/windows"
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 // ByteSliceFromString returns a NUL-terminated slice of bytes
@@ -70,8 +69,3 @@ func (ts *Timespec) Nano() int64 {
 func (tv *Timeval) Nano() int64 {
 	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
 }
-
-// use is a no-op, but the compiler cannot see that it is.
-// Calling use(p) ensures that p is kept live until that point.
-//go:noescape
-func use(p unsafe.Pointer)