README    | 10 +++++-----
 go.mod    |  2 +-
 go.sum    |  4 ++--
 main.go   |  6 ------
 tai64n.go | 58 -----------------------------------------------------
 usage.go  |  2 +-

diff --git a/README b/README
index a766fc65e3fca98a90500aee3819e477552c931f20a8155e866a82c7e4169bd6..c3566925b8d8a04adbff0298b1e6449e876447824d918a9eb22edffdf71aca63 100644
--- a/README
+++ b/README
@@ -25,12 +25,12 @@ problems with the authenticity on your side, then build it manually: >
 
     $ git clone git://git.cypherpunks.ru/goredo.git
     $ cd goredo
-    $ git tag -v v0.4.0
+    $ git tag -v v0.4.1
     $ git clone git://git.cypherpunks.ru/gorecfile.git
     $ ( cd gorecfile ; git tag -v v0.3.0 )
     $ echo "replace go.cypherpunks.ru/recfile => `pwd`/gorecfile" >> go.mod
     $ git clone git://git.cypherpunks.ru/gotai64n.git
-    $ ( cd gotai64n ; git tag -v v0.1.0 )
+    $ ( cd gotai64n ; git tag -v v0.2.0 )
     $ echo "replace go.cypherpunks.ru/tai64n => `pwd`/gotai64n" >> go.mod
     $ go build
     $ ./goredo -symlinks
@@ -68,9 +68,9 @@ * each target's stderr can be prefixed with the PID
 * optional statusline with currently running/waiting/done jobs
 * target's stderr can be stored on the disk with TAI64N timestamp
   prefixes for each line. To convert them to localtime you can use either
-  tai64nlocal utility from daemontools (http://cr.yp.to/daemontools.html)
-  or make a symlink, to use built-in slower decoder: >
-    $ ln -s goredo tai64nlocal
+  tai64nlocal utility from daemontools (http://cr.yp.to/daemontools.html),
+  or similar one: >
+    $ go get go.cypherpunks.ru/tai64n/cmd/tai64nlocal
 
 COMMANDS                                               *goredo-commands*
 
diff --git a/go.mod b/go.mod
index a077e0bad2b77b93b9e5dbc204cb57d921498ba01849fd6bd3114da1bb25fe30..c0c773b118bf61a46dcd642a4593d9a6682aabd0785c6fcdc02aa7adb6bf0d88 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	go.cypherpunks.ru/recfile v0.3.0
-	go.cypherpunks.ru/tai64n v0.1.0
+	go.cypherpunks.ru/tai64n v0.2.0
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9
 	golang.org/x/sys v0.0.0-20201117222635-ba5294a509c7
 	golang.org/x/term v0.0.0-20201117132131-f5c789dd3221
diff --git a/go.sum b/go.sum
index 20116d4d10aefad46805aafab5bd2e07fd11f3d3f9ca232e47473111b52716c4..025679d48a46df95f15cad86ca3edefe318dbfc4c17371b95655fc3840e38a8e 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 go.cypherpunks.ru/recfile v0.3.0 h1:aZRMMst8hoNOIhGjCA/VxjTN5VBSEN4W4zyhWF/7xSU=
 go.cypherpunks.ru/recfile v0.3.0/go.mod h1:p1ZUMeyQQbQg+ICtKH3+Zt59QLI0tCZYZj/75Vp1buk=
-go.cypherpunks.ru/tai64n v0.1.0 h1:XT1ys6lbo4/bjDQpMA8Xu5TCx6Y6aAYYYn5G0quE8sk=
-go.cypherpunks.ru/tai64n v0.1.0/go.mod h1:mjuUq/ZQAOEKvzAAl25RIrN6JExWA4fRkOs7o7OVvYE=
+go.cypherpunks.ru/tai64n v0.2.0 h1:ox04T0m9wVngTb5tDwrPyifukr01c6iJXHHJldlMQu8=
+go.cypherpunks.ru/tai64n v0.2.0/go.mod h1:mjuUq/ZQAOEKvzAAl25RIrN6JExWA4fRkOs7o7OVvYE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9 h1:phUcVbl53swtrUN8kQEXFhUxPlIlWyBfKmidCu7P95o=
 golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
diff --git a/main.go b/main.go
index 8c1c4e9eee4350eef23ed7d3f49e1cc6a1e302ee8cc52c5464b4a363078be7ea..3be6489e9acefaff3f3fb5218c0c688bc89dae581e0816955fdf43164f353223 100644
--- a/main.go
+++ b/main.go
@@ -18,7 +18,6 @@
 package main
 
 import (
-	"bufio"
 	"crypto/rand"
 	"flag"
 	"fmt"
@@ -91,7 +90,6 @@ 				rc = 1
 				log.Println(err)
 			}
 		}
-		fmt.Println("not creating optional:", os.Args[0], "<- tai64nlocal")
 		os.Exit(rc)
 	}
 	log.SetFlags(0)
@@ -272,10 +270,6 @@ 			}
 			fmt.Println(cwdMustRel(cwd, m["Target"]))
 		}
 		ok = doFile != ""
-	case "tai64nlocal":
-		bw := bufio.NewWriter(os.Stdout)
-		err = tai64nLocal(bw, os.Stdin)
-		bw.Flush()
 	default:
 		log.Fatalln("unknown command", cmdName)
 	}
diff --git a/tai64n.go b/tai64n.go
deleted file mode 100644
index c689763dbfd0dca19fd36254dee1234817dc3f0f03b13e81278b2c58cd5646f7..0000000000000000000000000000000000000000
--- a/tai64n.go
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
-goredo -- redo implementation on pure Go
-Copyright (C) 2020 Sergey Matveev <stargrave@stargrave.org>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 3 of the License.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package main
-
-import (
-	"bufio"
-	"io"
-	"strings"
-	"time"
-
-	"go.cypherpunks.ru/tai64n"
-)
-
-func tai64nLocal(dst io.StringWriter, src io.Reader) error {
-	scanner := bufio.NewScanner(src)
-	var err error
-	var s string
-	var sep int
-	var t time.Time
-	for {
-		if !scanner.Scan() {
-			if err = scanner.Err(); err != nil {
-				return err
-			}
-			break
-		}
-		s = scanner.Text()
-
-		if s[0] != '@' {
-			dst.WriteString(s + "\n")
-		}
-		sep = strings.IndexByte(s, byte(' '))
-		if sep == -1 {
-			dst.WriteString(s + "\n")
-		}
-		t, err = tai64n.Decode(s[1:sep])
-		if err != nil {
-			return err
-		}
-		dst.WriteString(t.Format(tai64n.LocalFmt) + s[sep:] + "\n")
-	}
-	return nil
-}
diff --git a/usage.go b/usage.go
index 6748463353fb7f8989a808c327aa042ff02c678f4cabff22b1df69289eeb9b96..5c01226ad78b14a103742a7f5b356a241e1771196ec1e12b6b767c5e0968b53a 100644
--- a/usage.go
+++ b/usage.go
@@ -26,7 +26,7 @@ 	"strings"
 )
 
 const (
-	Version  = "0.4.0"
+	Version  = "0.4.1"
 	Warranty = `This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, version 3 of the License.