4 files changed, 5 insertions, 9 deletions
diff --git a/src/cmd/go/internal/modfetch/codehost/codehost.go b/src/cmd/go/internal/modfetch/codehost/codehost.go
index 286d3f7220..86c1c14d4a 100644
--- a/src/cmd/go/internal/modfetch/codehost/codehost.go
+++ b/src/cmd/go/internal/modfetch/codehost/codehost.go
@@ -12,7 +12,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -189,7 +188,7 @@ func WorkDir(typ, name string) (dir, lockfile string, err error) {
 	}
 	defer unlock()
 
-	data, err := ioutil.ReadFile(dir + ".info")
+	data, err := os.ReadFile(dir + ".info")
 	info, err2 := os.Stat(dir)
 	if err == nil && err2 == nil && info.IsDir() {
 		// Info file and directory both already exist: reuse.
@@ -211,7 +210,7 @@ func WorkDir(typ, name string) (dir, lockfile string, err error) {
 	if err := os.MkdirAll(dir, 0777); err != nil {
 		return "", "", err
 	}
-	if err := ioutil.WriteFile(dir+".info", []byte(key), 0666); err != nil {
+	if err := os.WriteFile(dir+".info", []byte(key), 0666); err != nil {
 		os.RemoveAll(dir)
 		return "", "", err
 	}
diff --git a/src/cmd/go/internal/modfetch/codehost/git_test.go b/src/cmd/go/internal/modfetch/codehost/git_test.go
index 981e3fe91f..89a73baad9 100644
--- a/src/cmd/go/internal/modfetch/codehost/git_test.go
+++ b/src/cmd/go/internal/modfetch/codehost/git_test.go
@@ -12,7 +12,6 @@ import (
 	"internal/testenv"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
@@ -54,7 +53,7 @@ func testMain(m *testing.M) int {
 		return 0
 	}
 
-	dir, err := ioutil.TempDir("", "gitrepo-test-")
+	dir, err := os.MkdirTemp("", "gitrepo-test-")
 	if err != nil {
 		log.Fatal(err)
 	}
diff --git a/src/cmd/go/internal/modfetch/codehost/shell.go b/src/cmd/go/internal/modfetch/codehost/shell.go
index b9525adf5e..ce8b501d53 100644
--- a/src/cmd/go/internal/modfetch/codehost/shell.go
+++ b/src/cmd/go/internal/modfetch/codehost/shell.go
@@ -15,7 +15,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
@@ -124,7 +123,7 @@ func main() {
 			}
 
 			if f[3] != "-" {
-				if err := ioutil.WriteFile(f[3], data, 0666); err != nil {
+				if err := os.WriteFile(f[3], data, 0666); err != nil {
 					fmt.Fprintf(os.Stderr, "?%s\n", err)
 					continue
 				}
diff --git a/src/cmd/go/internal/modfetch/codehost/vcs.go b/src/cmd/go/internal/modfetch/codehost/vcs.go
index e67ee94ad8..c2cca084e3 100644
--- a/src/cmd/go/internal/modfetch/codehost/vcs.go
+++ b/src/cmd/go/internal/modfetch/codehost/vcs.go
@@ -10,7 +10,6 @@ import (
 	"internal/lazyregexp"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -433,7 +432,7 @@ func (r *vcsRepo) ReadZip(rev, subdir string, maxSize int64) (zip io.ReadCloser,
 	if rev == "latest" {
 		rev = r.cmd.latest
 	}
-	f, err := ioutil.TempFile("", "go-readzip-*.zip")
+	f, err := os.CreateTemp("", "go-readzip-*.zip")
 	if err != nil {
 		return nil, err
 	}