diff --git a/scratchpad/chunker/.gitignore b/scratchpad/chunker/.gitignore
deleted file mode 100644
index e633497..0000000
--- a/scratchpad/chunker/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-chunker
diff --git a/scratchpad/chunker/main.go b/scratchpad/chunker/main.go
deleted file mode 100644
index 635c5ee..0000000
--- a/scratchpad/chunker/main.go
+++ /dev/null
@@ -1,84 +0,0 @@
-package main
-
-import (
-	"flag"
-	"github.com/zrepl/zrepl/sshbytestream"
-	. "github.com/zrepl/zrepl/util"
-	// "bytes"
-	_ "bufio"
-	// "strings"
-	"io"
-	"log"
-	"os"
-	_ "time"
-)
-
-func main() {
-
-	mode := flag.String("mode", "", "incoming|outgoing")
-	incomingFile := flag.String("incoming.file", "", "file to deliver to callers")
-	outgoingHost := flag.String("outgoing.sshHost", "", "ssh host")
-	outgoingUser := flag.String("outgoing.sshUser", "", "ssh user")
-	outgoingIdentity := flag.String("outgoing.sshIdentity", "", "ssh private key")
-	outgoingPort := flag.Uint("outgoing.sshPort", 22, "ssh port")
-	outgoingFile := flag.String("outgoing.File", "", "")
-	flag.Parse()
-
-	switch {
-	case (*mode == "incoming"):
-
-		conn, err := sshbytestream.Incoming()
-		if err != nil {
-			panic(err)
-		}
-
-		file, err := os.Open(*incomingFile)
-		if err != nil {
-			panic(err)
-		}
-
-		chunker := NewChunker(file)
-
-		_, err = io.Copy(conn, &chunker)
-		if err != nil && err != io.EOF {
-			panic(err)
-		}
-
-		log.Printf("Chunk Count: %d\n", chunker.ChunkCount)
-
-	case *mode == "outgoing":
-
-		conn, err := sshbytestream.Outgoing(sshbytestream.SSHTransport{
-			Host:         *outgoingHost,
-			User:         *outgoingUser,
-			IdentityFile: *outgoingIdentity,
-			Port:         uint16(*outgoingPort),
-		})
-		if err != nil {
-			panic(err)
-		}
-
-		f, err := os.OpenFile(*outgoingFile, os.O_CREATE|os.O_WRONLY, 0600)
-		if err != nil {
-			panic(err)
-		}
-
-		unchunker := NewUnchunker(conn)
-
-		_, err = io.Copy(f, unchunker)
-		if err != nil {
-			panic(err)
-		}
-
-		conn.Close()
-
-		log.Printf("Chunk Count: %d\n", unchunker.ChunkCount)
-
-		os.Exit(0)
-
-	default:
-		panic("unsupported mode!")
-
-	}
-
-}
diff --git a/scratchpad/repeat/main.go b/scratchpad/repeat/main.go
deleted file mode 100644
index 7fe769c..0000000
--- a/scratchpad/repeat/main.go
+++ /dev/null
@@ -1,46 +0,0 @@
-package main
-
-import (
-	"log"
-	"os"
-	"os/exec"
-	"time"
-)
-
-var config struct {
-	duration time.Duration
-}
-
-func usage() {
-	log.Printf("usage: repeat repeatInterval command [args...]")
-}
-
-func main() {
-
-	args := os.Args
-
-	if len(args) < 3 {
-		usage()
-		os.Exit(1)
-	}
-	repeatInterval, err := time.ParseDuration(args[1])
-	if err != nil {
-		log.Printf("cannot parse interval: %s", err)
-		usage()
-		os.Exit(1)
-	}
-
-	var lastStart time.Time
-
-	for {
-		cmd := exec.Command(args[2], args[3:]...)
-		cmd.Stdout = os.Stdout
-		cmd.Stderr = os.Stderr
-		lastStart = time.Now()
-		if err := cmd.Run(); err != nil {
-			panic(err)
-		}
-		time.Sleep(lastStart.Add(repeatInterval).Sub(time.Now()))
-	}
-
-}
diff --git a/scratchpad/repeat/sleepx.sh b/scratchpad/repeat/sleepx.sh
deleted file mode 100755
index e6856dc..0000000
--- a/scratchpad/repeat/sleepx.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-echo -n ' start '
-date
-sleep $1
-echo -n 'done '
-date