diff --git a/src/io/fs/walk_test.go b/src/io/fs/walk_test.go
index ebc4e50fb3..5e127e71cd 100644
--- a/src/io/fs/walk_test.go
+++ b/src/io/fs/walk_test.go
@@ -6,7 +6,6 @@ package fs_test
 
 import (
 	. "io/fs"
-	"io/ioutil"
 	"os"
 	pathpkg "path"
 	"testing"
@@ -96,11 +95,7 @@ func mark(entry DirEntry, err error, errors *[]error, clear bool) error {
 }
 
 func TestWalkDir(t *testing.T) {
-	tmpDir, err := ioutil.TempDir("", "TestWalk")
-	if err != nil {
-		t.Fatal("creating temp dir:", err)
-	}
-	defer os.RemoveAll(tmpDir)
+	tmpDir := t.TempDir()
 
 	origDir, err := os.Getwd()
 	if err != nil {