diff --git a/src/os/signal/signal_windows_test.go b/src/os/signal/signal_windows_test.go
index 4640428587b..9b145515726 100644
--- a/src/os/signal/signal_windows_test.go
+++ b/src/os/signal/signal_windows_test.go
@@ -56,11 +56,7 @@ func main() {
 	}
 }
 `
-	tmp, err := os.MkdirTemp("", "TestCtrlBreak")
-	if err != nil {
-		t.Fatal("TempDir failed: ", err)
-	}
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	// write ctrlbreak.go
 	name := filepath.Join(tmp, "ctlbreak")