diff --git a/cmd/assets/assets.go b/cmd/assets/assets.go
deleted file mode 100644
index d830cb0c..00000000
--- a/cmd/assets/assets.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: Unlicense OR MIT
-
-// Command assets converts data files to Go source code.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-func main() {
-	if len(os.Args) != 2 {
-		fmt.Fprintln(os.Stderr, "please specify a directory to convert")
-		os.Exit(1)
-	}
-	var w bytes.Buffer
-	w.WriteString("// Code generated by command assets DO NOT EDIT.\n\n")
-	w.WriteString("package assets\n\n")
-	w.WriteString("import (\n")
-	w.WriteString("\t\"io\"\n")
-	w.WriteString("\t\"strings\"\n")
-	w.WriteString(")\n\n")
-	dir := os.Args[1]
-	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		if info.IsDir() {
-			return nil
-		}
-		if filepath.Ext(path) == ".go" {
-			return nil
-		}
-		name := path[len(dir)+1:]
-		name = strings.ReplaceAll(name, "/", "_")
-		name = strings.ReplaceAll(name, ".", "_")
-		name = strings.Title(name)
-		w.WriteString(fmt.Sprintf("func %s() io.Reader {\n", name))
-		content, err := ioutil.ReadFile(path)
-		if err != nil {
-			return err
-		}
-		w.WriteString(fmt.Sprintf("\tcontent := %q\n", content))
-		w.WriteString("\treturn strings.NewReader(content)\n")
-		w.WriteString("}\n")
-		return nil
-	})
-	err := ioutil.WriteFile(filepath.Join(dir, "assets.go"), w.Bytes(), 0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		os.Exit(1)
-	}
-}