diff --git a/init/one.go b/init/one.go
index 441f649f..8e352a7f 100644
--- a/init/one.go
+++ b/init/one.go
@@ -12,13 +12,9 @@ func pidOne() error {
 	c := make(chan os.Signal)
 	signal.Notify(c, syscall.SIGCHLD)
 
-	var (
-		ws  syscall.WaitStatus
-		rus syscall.Rusage
-	)
 	for range c {
 		for {
-			if pid, err := syscall.Wait4(-1, &ws, syscall.WNOHANG, &rus); err != nil || pid <= 0 {
+			if pid, err := syscall.Wait4(-1, nil, syscall.WNOHANG, nil); err != nil || pid <= 0 {
 				break
 			}
 		}