diff --git a/backend/chunker/chunker.go b/backend/chunker/chunker.go
index 5165a582b..bfb3e3e65 100644
--- a/backend/chunker/chunker.go
+++ b/backend/chunker/chunker.go
@@ -515,7 +515,7 @@ func (f *Fs) setChunkNameFormat(pattern string) error {
 
 	strRegex := regexp.QuoteMeta(pattern)
 	strRegex = reHashes.ReplaceAllLiteralString(strRegex, reDataOrCtrl)
-	strRegex = strings.Replace(strRegex, "\\*", mainNameRegStr, -1)
+	strRegex = strings.ReplaceAll(strRegex, "\\*", mainNameRegStr)
 	strRegex = fmt.Sprintf("^%s(?:%s|%s)?$", strRegex, tempSuffixRegStr, tempSuffixRegOld)
 	f.nameRegexp = regexp.MustCompile(strRegex)
 
@@ -524,7 +524,7 @@ func (f *Fs) setChunkNameFormat(pattern string) error {
 	if numDigits > 1 {
 		fmtDigits = fmt.Sprintf("%%0%dd", numDigits)
 	}
-	strFmt := strings.Replace(pattern, "%", "%%", -1)
+	strFmt := strings.ReplaceAll(pattern, "%", "%%")
 	strFmt = strings.Replace(strFmt, "*", "%s", 1)
 	f.dataNameFmt = reHashes.ReplaceAllLiteralString(strFmt, fmtDigits)
 	f.ctrlNameFmt = reHashes.ReplaceAllLiteralString(strFmt, "_%s")
diff --git a/backend/drive/drive.go b/backend/drive/drive.go
index 1ff28a434..17d102ab0 100644
--- a/backend/drive/drive.go
+++ b/backend/drive/drive.go
@@ -829,8 +829,8 @@ func (f *Fs) list(ctx context.Context, dirIDs []string, title string, directorie
 	if title != "" {
 		searchTitle := f.opt.Enc.FromStandardName(title)
 		// Escaping the backslash isn't documented but seems to work
-		searchTitle = strings.Replace(searchTitle, `\`, `\\`, -1)
-		searchTitle = strings.Replace(searchTitle, `'`, `\'`, -1)
+		searchTitle = strings.ReplaceAll(searchTitle, `\`, `\\`)
+		searchTitle = strings.ReplaceAll(searchTitle, `'`, `\'`)
 
 		var titleQuery bytes.Buffer
 		_, _ = fmt.Fprintf(&titleQuery, "(name='%s'", searchTitle)
diff --git a/backend/googlephotos/googlephotos.go b/backend/googlephotos/googlephotos.go
index cb9fda888..4e16d81d3 100644
--- a/backend/googlephotos/googlephotos.go
+++ b/backend/googlephotos/googlephotos.go
@@ -562,7 +562,7 @@ func (f *Fs) list(ctx context.Context, filter api.SearchFilter, fn listFn) (err
 		for i := range items {
 			item := &result.MediaItems[i]
 			remote := item.Filename
-			remote = strings.Replace(remote, "/", "／", -1)
+			remote = strings.ReplaceAll(remote, "/", "／")
 			err = fn(remote, item, false)
 			if err != nil {
 				return err
diff --git a/backend/hubic/hubic.go b/backend/hubic/hubic.go
index ccf828ea3..c655c038e 100644
--- a/backend/hubic/hubic.go
+++ b/backend/hubic/hubic.go
@@ -119,7 +119,7 @@ func (f *Fs) getCredentials(ctx context.Context) (err error) {
 	defer fs.CheckClose(resp.Body, &err)
 	if resp.StatusCode < 200 || resp.StatusCode > 299 {
 		body, _ := ioutil.ReadAll(resp.Body)
-		bodyStr := strings.TrimSpace(strings.Replace(string(body), "\n", " ", -1))
+		bodyStr := strings.TrimSpace(strings.ReplaceAll(string(body), "\n", " "))
 		return fmt.Errorf("failed to get credentials: %s: %s", resp.Status, bodyStr)
 	}
 	decoder := json.NewDecoder(resp.Body)
diff --git a/backend/jottacloud/jottacloud.go b/backend/jottacloud/jottacloud.go
index 5d3838254..c75774d93 100644
--- a/backend/jottacloud/jottacloud.go
+++ b/backend/jottacloud/jottacloud.go
@@ -191,7 +191,7 @@ machines.`)
 		m.Set("auth_code", "")
 		return fs.ConfigGoto("legacy_do_auth")
 	case "legacy_auth_code":
-		authCode := strings.Replace(config.Result, "-", "", -1) // remove any "-" contained in the code so we have a 6 digit number
+		authCode := strings.ReplaceAll(config.Result, "-", "") // remove any "-" contained in the code so we have a 6 digit number
 		m.Set("auth_code", authCode)
 		return fs.ConfigGoto("legacy_do_auth")
 	case "legacy_do_auth":
@@ -649,7 +649,7 @@ func errorHandler(resp *http.Response) error {
 
 // Jottacloud wants '+' to be URL encoded even though the RFC states it's not reserved
 func urlPathEscape(in string) string {
-	return strings.Replace(rest.URLPathEscape(in), "+", "%2B", -1)
+	return strings.ReplaceAll(rest.URLPathEscape(in), "+", "%2B")
 }
 
 // filePathRaw returns an unescaped file path (f.root, file)
diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 434fd7752..22fa90f67 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -2966,7 +2966,7 @@ func (f *Fs) Precision() time.Duration {
 // pathEscape escapes s as for a URL path.  It uses rest.URLPathEscape
 // but also escapes '+' for S3 and Digital Ocean spaces compatibility
 func pathEscape(s string) string {
-	return strings.Replace(rest.URLPathEscape(s), "+", "%2B", -1)
+	return strings.ReplaceAll(rest.URLPathEscape(s), "+", "%2B")
 }
 
 // copy does a server-side copy
diff --git a/backend/sftp/sftp.go b/backend/sftp/sftp.go
index dbb87f4e7..9f7de8725 100644
--- a/backend/sftp/sftp.go
+++ b/backend/sftp/sftp.go
@@ -109,7 +109,7 @@ when the ssh-agent contains many keys.`,
 			Default: false,
 		}, {
 			Name: "use_insecure_cipher",
-			Help: `Enable the use of insecure ciphers and key exchange methods. 
+			Help: `Enable the use of insecure ciphers and key exchange methods.
 
 This enables the use of the following insecure ciphers and key exchange methods:
 
@@ -1311,7 +1311,7 @@ var shellEscapeRegex = regexp.MustCompile("[^A-Za-z0-9_.,:/\\@\u0080-\uFFFFFFFF\
 // when sending it to a shell.
 func shellEscape(str string) string {
 	safe := shellEscapeRegex.ReplaceAllString(str, `\$0`)
-	return strings.Replace(safe, "\n", "'\n'", -1)
+	return strings.ReplaceAll(safe, "\n", "'\n'")
 }
 
 // Converts a byte array from the SSH session returned by
diff --git a/bin/cross-compile.go b/bin/cross-compile.go
index 405f1b79c..c66b0eecc 100644
--- a/bin/cross-compile.go
+++ b/bin/cross-compile.go
@@ -173,8 +173,8 @@ func buildZip(dir string) string {
 func buildDebAndRpm(dir, version, goarch string) []string {
 	// Make internal version number acceptable to .deb and .rpm
 	pkgVersion := version[1:]
-	pkgVersion = strings.Replace(pkgVersion, "β", "-beta", -1)
-	pkgVersion = strings.Replace(pkgVersion, "-", ".", -1)
+	pkgVersion = strings.ReplaceAll(pkgVersion, "β", "-beta")
+	pkgVersion = strings.ReplaceAll(pkgVersion, "-", ".")
 	nfpmArch, ok := goarchToNfpm[goarch]
 	if !ok {
 		nfpmArch = goarch
diff --git a/cmd/gendocs/gendocs.go b/cmd/gendocs/gendocs.go
index fda7d55a4..7a7ef3f46 100644
--- a/cmd/gendocs/gendocs.go
+++ b/cmd/gendocs/gendocs.go
@@ -79,7 +79,7 @@ rclone.org website.`,
 		var description = map[string]string{}
 		var addDescription func(root *cobra.Command)
 		addDescription = func(root *cobra.Command) {
-			name := strings.Replace(root.CommandPath(), " ", "_", -1) + ".md"
+			name := strings.ReplaceAll(root.CommandPath(), " ", "_") + ".md"
 			description[name] = root.Short
 			for _, c := range root.Commands() {
 				addDescription(c)
@@ -93,11 +93,11 @@ rclone.org website.`,
 			base := strings.TrimSuffix(name, path.Ext(name))
 			data := frontmatter{
 				Date:        now,
-				Title:       strings.Replace(base, "_", " ", -1),
+				Title:       strings.ReplaceAll(base, "_", " "),
 				Description: description[name],
 				Slug:        base,
 				URL:         "/commands/" + strings.ToLower(base) + "/",
-				Source:      strings.Replace(strings.Replace(base, "rclone", "cmd", -1), "_", "/", -1) + "/",
+				Source:      strings.ReplaceAll(strings.ReplaceAll(base, "rclone", "cmd"), "_", "/") + "/",
 			}
 			var buf bytes.Buffer
 			err := frontmatterTemplate.Execute(&buf, data)
diff --git a/cmd/rc/rc.go b/cmd/rc/rc.go
index c2eb7a24f..fec0d5c40 100644
--- a/cmd/rc/rc.go
+++ b/cmd/rc/rc.go
@@ -290,7 +290,7 @@ func list(ctx context.Context) error {
 		if !ok {
 			return errors.New("bad JSON")
 		}
-		fmt.Printf("### %s: %s {#%s}\n\n", info["Path"], info["Title"], strings.Replace(info["Path"].(string), "/", "-", -1))
+		fmt.Printf("### %s: %s {#%s}\n\n", info["Path"], info["Title"], strings.ReplaceAll(info["Path"].(string), "/", "-"))
 		fmt.Printf("%s\n\n", info["Help"])
 		if authRequired := info["AuthRequired"]; authRequired != nil {
 			if authRequired.(bool) {
diff --git a/cmd/serve/sftp/connection.go b/cmd/serve/sftp/connection.go
index 4575980f8..693b5fbb0 100644
--- a/cmd/serve/sftp/connection.go
+++ b/cmd/serve/sftp/connection.go
@@ -43,7 +43,7 @@ var shellUnEscapeRegex = regexp.MustCompile(`\\(.)`)
 
 // Unescape a string that was escaped by rclone
 func shellUnEscape(str string) string {
-	str = strings.Replace(str, "'\n'", "\n", -1)
+	str = strings.ReplaceAll(str, "'\n'", "\n")
 	str = shellUnEscapeRegex.ReplaceAllString(str, `$1`)
 	return str
 }
diff --git a/fs/backend_config.go b/fs/backend_config.go
index 8d24f523d..cef15bf56 100644
--- a/fs/backend_config.go
+++ b/fs/backend_config.go
@@ -230,7 +230,7 @@ func ConfigChoose(state string, name string, help string, n int, getItem func(i
 // StatePush pushes a new values onto the front of the config string
 func StatePush(state string, values ...string) string {
 	for i := range values {
-		values[i] = strings.Replace(values[i], ",", "，", -1) // replace comma with unicode wide version
+		values[i] = strings.ReplaceAll(values[i], ",", "，") // replace comma with unicode wide version
 	}
 	if state != "" {
 		values = append(values[:len(values):len(values)], state)
@@ -262,7 +262,7 @@ func StatePop(state string) (newState string, value string) {
 		return "", state
 	}
 	value, newState = state[:comma], state[comma+1:]
-	value = strings.Replace(value, "，", ",", -1) // replace unicode wide comma with comma
+	value = strings.ReplaceAll(value, "，", ",") // replace unicode wide comma with comma
 	return newState, value
 }
 
diff --git a/fs/config.go b/fs/config.go
index 480e0a39b..5eb85ec61 100644
--- a/fs/config.go
+++ b/fs/config.go
@@ -248,11 +248,11 @@ func AddConfig(ctx context.Context) (context.Context, *ConfigInfo) {
 // "ignore-size") into an environment name
 // "RCLONE_CONFIG_MY-REMOTE_IGNORE_SIZE"
 func ConfigToEnv(section, name string) string {
-	return "RCLONE_CONFIG_" + strings.ToUpper(section+"_"+strings.Replace(name, "-", "_", -1))
+	return "RCLONE_CONFIG_" + strings.ToUpper(section+"_"+strings.ReplaceAll(name, "-", "_"))
 }
 
 // OptionToEnv converts an option name, e.g. "ignore-size" into an
 // environment name "RCLONE_IGNORE_SIZE"
 func OptionToEnv(name string) string {
-	return "RCLONE_" + strings.ToUpper(strings.Replace(name, "-", "_", -1))
+	return "RCLONE_" + strings.ToUpper(strings.ReplaceAll(name, "-", "_"))
 }
diff --git a/fs/config/configfile/configfile_test.go b/fs/config/configfile/configfile_test.go
index e35dc4c3c..2a85b6485 100644
--- a/fs/config/configfile/configfile_test.go
+++ b/fs/config/configfile/configfile_test.go
@@ -50,7 +50,7 @@ func setConfigFile(t *testing.T, data string) func() {
 // toUnix converts \r\n to \n in buf
 func toUnix(buf string) string {
 	if runtime.GOOS == "windows" {
-		return strings.Replace(buf, "\r\n", "\n", -1)
+		return strings.ReplaceAll(buf, "\r\n", "\n")
 	}
 	return buf
 }
diff --git a/fs/config/ui.go b/fs/config/ui.go
index 67093f69b..0e54394b1 100644
--- a/fs/config/ui.go
+++ b/fs/config/ui.go
@@ -417,7 +417,7 @@ func ChooseOption(o *fs.Option, name string) string {
 	fmt.Printf("Option %s.\n", o.Name)
 	if o.Help != "" {
 		// Show help string without empty lines.
-		help := strings.Replace(strings.TrimSpace(o.Help), "\n\n", "\n", -1)
+		help := strings.ReplaceAll(strings.TrimSpace(o.Help), "\n\n", "\n")
 		fmt.Println(help)
 	}
 
diff --git a/fs/fspath/path.go b/fs/fspath/path.go
index c67d6884c..99bdbe28b 100644
--- a/fs/fspath/path.go
+++ b/fs/fspath/path.go
@@ -208,7 +208,7 @@ loop:
 				value := path[prev : i-1]
 				// replace any doubled quotes if there were any
 				if doubled {
-					value = strings.Replace(value, string(quote)+string(quote), string(quote), -1)
+					value = strings.ReplaceAll(value, string(quote)+string(quote), string(quote))
 				}
 				prev = i + 1
 				parsed.Config[param] = value
diff --git a/fs/operations/operations_test.go b/fs/operations/operations_test.go
index 309c31efb..a47ad0ae2 100644
--- a/fs/operations/operations_test.go
+++ b/fs/operations/operations_test.go
@@ -1407,7 +1407,7 @@ func TestDirMove(t *testing.T) {
 	require.NoError(t, operations.DirMove(ctx, r.Fremote, "A1", "A2"))
 
 	for i := range files {
-		files[i].Path = strings.Replace(files[i].Path, "A1/", "A2/", -1)
+		files[i].Path = strings.ReplaceAll(files[i].Path, "A1/", "A2/")
 	}
 
 	fstest.CheckListingWithPrecision(
@@ -1432,7 +1432,7 @@ func TestDirMove(t *testing.T) {
 	require.NoError(t, operations.DirMove(ctx, r.Fremote, "A2", "A3"))
 
 	for i := range files {
-		files[i].Path = strings.Replace(files[i].Path, "A2/", "A3/", -1)
+		files[i].Path = strings.ReplaceAll(files[i].Path, "A2/", "A3/")
 	}
 
 	fstest.CheckListingWithPrecision(
diff --git a/fs/registry.go b/fs/registry.go
index 99ca53551..2f4afc7fe 100644
--- a/fs/registry.go
+++ b/fs/registry.go
@@ -44,7 +44,7 @@ type RegInfo struct {
 
 // FileName returns the on disk file name for this backend
 func (ri *RegInfo) FileName() string {
-	return strings.Replace(ri.Name, " ", "", -1)
+	return strings.ReplaceAll(ri.Name, " ", "")
 }
 
 // Options is a slice of configuration Option for a backend
@@ -210,7 +210,7 @@ func (o *Option) Type() string {
 
 // FlagName for the option
 func (o *Option) FlagName(prefix string) string {
-	name := strings.Replace(o.Name, "_", "-", -1) // convert snake_case to kebab-case
+	name := strings.ReplaceAll(o.Name, "_", "-") // convert snake_case to kebab-case
 	if !o.NoPrefix {
 		name = prefix + "-" + name
 	}
diff --git a/fstest/test_all/run.go b/fstest/test_all/run.go
index f082c55e1..ce8688d6e 100644
--- a/fstest/test_all/run.go
+++ b/fstest/test_all/run.go
@@ -317,7 +317,7 @@ func (r *Run) RemoveTestBinary() {
 func (r *Run) Name() string {
 	ns := []string{
 		r.Backend,
-		strings.Replace(r.Path, "/", ".", -1),
+		strings.ReplaceAll(r.Path, "/", "."),
 		r.Remote,
 	}
 	if r.FastList {
@@ -325,7 +325,7 @@ func (r *Run) Name() string {
 	}
 	ns = append(ns, fmt.Sprintf("%d", r.Try))
 	s := strings.Join(ns, "-")
-	s = strings.Replace(s, ":", "", -1)
+	s = strings.ReplaceAll(s, ":", "")
 	return s
 }
 
diff --git a/lib/version/version.go b/lib/version/version.go
index 6166e2262..0aebe3d61 100644
--- a/lib/version/version.go
+++ b/lib/version/version.go
@@ -30,7 +30,7 @@ func Add(fileName string, t time.Time) string {
 	base, ext := splitExt(fileName)
 	s := t.Format(versionFormat)
 	// Replace the '.' with a '-'
-	s = strings.Replace(s, ".", "-", -1)
+	s = strings.ReplaceAll(s, ".", "-")
 	return base + s + ext
 }