diff --git a/src/os/pipe_test.go b/src/os/pipe_test.go
index 2f5b5d99c3..82b792eac4 100644
--- a/src/os/pipe_test.go
+++ b/src/os/pipe_test.go
@@ -13,7 +13,6 @@ import (
 	"os"
 	osexec "os/exec"
 	"os/signal"
-	"runtime"
 	"syscall"
 	"testing"
 )