5 files changed, 9 insertions, 13 deletions
diff --git a/src/net/http/filetransport_test.go b/src/net/http/filetransport_test.go
index fdfd44d967..b58888dcb1 100644
--- a/src/net/http/filetransport_test.go
+++ b/src/net/http/filetransport_test.go
@@ -6,7 +6,6 @@ package http
 
 import (
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -24,10 +23,10 @@ func checker(t *testing.T) func(string, error) {
 func TestFileTransport(t *testing.T) {
 	check := checker(t)
 
-	dname, err := ioutil.TempDir("", "")
+	dname, err := os.MkdirTemp("", "")
 	check("TempDir", err)
 	fname := filepath.Join(dname, "foo.txt")
-	err = ioutil.WriteFile(fname, []byte("Bar"), 0644)
+	err = os.WriteFile(fname, []byte("Bar"), 0644)
 	check("WriteFile", err)
 	defer os.Remove(dname)
 	defer os.Remove(fname)
diff --git a/src/net/http/fs_test.go b/src/net/http/fs_test.go
index 2e4751114d..2499051625 100644
--- a/src/net/http/fs_test.go
+++ b/src/net/http/fs_test.go
@@ -79,7 +79,7 @@ func TestServeFile(t *testing.T) {
 
 	var err error
 
-	file, err := ioutil.ReadFile(testFile)
+	file, err := os.ReadFile(testFile)
 	if err != nil {
 		t.Fatal("reading file:", err)
 	}
@@ -379,12 +379,12 @@ func mustRemoveAll(dir string) {
 
 func TestFileServerImplicitLeadingSlash(t *testing.T) {
 	defer afterTest(t)
-	tempDir, err := ioutil.TempDir("", "")
+	tempDir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatalf("TempDir: %v", err)
 	}
 	defer mustRemoveAll(tempDir)
-	if err := ioutil.WriteFile(filepath.Join(tempDir, "foo.txt"), []byte("Hello world"), 0644); err != nil {
+	if err := os.WriteFile(filepath.Join(tempDir, "foo.txt"), []byte("Hello world"), 0644); err != nil {
 		t.Fatalf("WriteFile: %v", err)
 	}
 	ts := httptest.NewServer(StripPrefix("/bar/", FileServer(Dir(tempDir))))
@@ -1177,7 +1177,7 @@ func TestLinuxSendfile(t *testing.T) {
 	filename := fmt.Sprintf("1kb-%d", os.Getpid())
 	filepath := path.Join(os.TempDir(), filename)
 
-	if err := ioutil.WriteFile(filepath, bytes.Repeat([]byte{'a'}, 1<<10), 0755); err != nil {
+	if err := os.WriteFile(filepath, bytes.Repeat([]byte{'a'}, 1<<10), 0755); err != nil {
 		t.Fatal(err)
 	}
 	defer os.Remove(filepath)
diff --git a/src/net/http/request_test.go b/src/net/http/request_test.go
index 689498e19d..29297b0e7b 100644
--- a/src/net/http/request_test.go
+++ b/src/net/http/request_test.go
@@ -12,7 +12,6 @@ import (
 	"encoding/base64"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math"
 	"mime/multipart"
 	. "net/http"
@@ -1164,7 +1163,7 @@ func BenchmarkFileAndServer_64MB(b *testing.B) {
 }
 
 func benchmarkFileAndServer(b *testing.B, n int64) {
-	f, err := ioutil.TempFile(os.TempDir(), "go-bench-http-file-and-server")
+	f, err := os.CreateTemp(os.TempDir(), "go-bench-http-file-and-server")
 	if err != nil {
 		b.Fatalf("Failed to create temp file: %v", err)
 	}
diff --git a/src/net/http/transfer_test.go b/src/net/http/transfer_test.go
index 1f3d32526d..f0c28b2629 100644
--- a/src/net/http/transfer_test.go
+++ b/src/net/http/transfer_test.go
@@ -10,7 +10,6 @@ import (
 	"crypto/rand"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"reflect"
 	"strings"
@@ -118,7 +117,7 @@ func TestTransferWriterWriteBodyReaderTypes(t *testing.T) {
 
 	nBytes := int64(1 << 10)
 	newFileFunc := func() (r io.Reader, done func(), err error) {
-		f, err := ioutil.TempFile("", "net-http-newfilefunc")
+		f, err := os.CreateTemp("", "net-http-newfilefunc")
 		if err != nil {
 			return nil, nil, err
 		}
diff --git a/src/net/http/transport_test.go b/src/net/http/transport_test.go
index f22b798035..7f6e0938c2 100644
--- a/src/net/http/transport_test.go
+++ b/src/net/http/transport_test.go
@@ -23,7 +23,6 @@ import (
 	"go/token"
 	"internal/nettrace"
 	"io"
-	"io/ioutil"
 	"log"
 	mrand "math/rand"
 	"net"
@@ -5746,7 +5745,7 @@ func (c *testMockTCPConn) ReadFrom(r io.Reader) (int64, error) {
 func TestTransportRequestWriteRoundTrip(t *testing.T) {
 	nBytes := int64(1 << 10)
 	newFileFunc := func() (r io.Reader, done func(), err error) {
-		f, err := ioutil.TempFile("", "net-http-newfilefunc")
+		f, err := os.CreateTemp("", "net-http-newfilefunc")
 		if err != nil {
 			return nil, nil, err
 		}