2 files changed, 4 insertions, 4 deletions
diff --git a/src/math/bits/make_examples.go b/src/math/bits/make_examples.go
index cd81cd6c4d..1d3ad53fe6 100644
--- a/src/math/bits/make_examples.go
+++ b/src/math/bits/make_examples.go
@@ -11,9 +11,9 @@ package main
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"math/bits"
+	"os"
 )
 
 const header = `// Copyright 2017 The Go Authors. All rights reserved.
@@ -106,7 +106,7 @@ func main() {
 		}
 	}
 
-	if err := ioutil.WriteFile("example_test.go", w.Bytes(), 0666); err != nil {
+	if err := os.WriteFile("example_test.go", w.Bytes(), 0666); err != nil {
 		log.Fatal(err)
 	}
 }
diff --git a/src/math/bits/make_tables.go b/src/math/bits/make_tables.go
index ff2fe2e385..b068d5e0e3 100644
--- a/src/math/bits/make_tables.go
+++ b/src/math/bits/make_tables.go
@@ -13,8 +13,8 @@ import (
 	"fmt"
 	"go/format"
 	"io"
-	"io/ioutil"
 	"log"
+	"os"
 )
 
 var header = []byte(`// Copyright 2017 The Go Authors. All rights reserved.
@@ -40,7 +40,7 @@ func main() {
 		log.Fatal(err)
 	}
 
-	err = ioutil.WriteFile("bits_tables.go", out, 0666)
+	err = os.WriteFile("bits_tables.go", out, 0666)
 	if err != nil {
 		log.Fatal(err)
 	}