diff --git a/config.go b/config.go
index 82372d5..50ce170 100644
--- a/config.go
+++ b/config.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"fmt"
 	"os"
 	"path"
 	"text/template"
@@ -25,14 +24,10 @@ type Task struct {
 	Template    string `toml:"template"`    // template file extension
 	PostProcess string `toml:"postprocess"` // postprocess directive
 	Destination string `toml:"destination"` // destination directory
-	postProcess Format
 }
 
 func (t Task) Format(p *Page) (string, []byte) {
-	if t.postProcess == nil {
-		return path.Join(p.Path, "index"+t.Output), []byte(p.Content)
-	}
-	return t.postProcess.Format(p)
+	return path.Join(p.Path, "index"+t.Output), []byte(p.Content)
 }
 
 // DefaultConfig returns the default configuration.
@@ -62,17 +57,6 @@ func LoadConfig(path string) (*Config, error) {
 		return nil, err
 	}
 
-	for _, task := range c.Tasks {
-		switch task.PostProcess {
-		case "":
-			continue
-		case "geminiToHTML":
-			task.postProcess = GeminiToHTML(c)
-		default:
-			return nil, fmt.Errorf("unrecognized postprocess directive %q", task.PostProcess)
-		}
-	}
-
 	return c, nil
 }
 
diff --git a/format.go b/format.go
index 44afc4a..f2dab49 100644
--- a/format.go
+++ b/format.go
@@ -1,11 +1,5 @@
 package main
 
-import (
-	"bytes"
-	pathpkg "path"
-	"strings"
-)
-
 // Format represents an output format.
 type Format interface {
 	Format(*Page) (path string, content []byte)
@@ -16,30 +10,3 @@ type FormatFunc func(*Page) (string, []byte)
 func (f FormatFunc) Format(p *Page) (string, []byte) {
 	return f(p)
 }
-
-// GeminiToHTML returns an output format that converts Gemini text to HTML.
-func GeminiToHTML(cfg *Config) Format {
-	return FormatFunc(func(p *Page) (path string, content []byte) {
-		path = pathpkg.Join(p.Path, "index.html")
-
-		r := strings.NewReader(p.Content)
-		content = textToHTML(r)
-
-		// html template context
-		type htmlCtx struct {
-			Title   string // page title
-			Content string // page HTML contents
-		}
-
-		var b bytes.Buffer
-		// clean path to remove trailing slash
-		dir := pathpkg.Dir(pathpkg.Clean(p.Path))
-		tmpl := cfg.Templates.FindTemplate(dir, "output.html")
-		tmpl.Execute(&b, &htmlCtx{
-			Title:   p.Title,
-			Content: string(content),
-		})
-		content = b.Bytes()
-		return
-	})
-}
diff --git a/html.go b/html.go
deleted file mode 100644
index 72cc1e6..0000000
--- a/html.go
+++ /dev/null
@@ -1,82 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"html"
-	"io"
-
-	"git.sr.ht/~adnano/go-gemini"
-)
-
-// textToHTML returns the Gemini text response as HTML.
-func textToHTML(r io.Reader) []byte {
-	buf := &bytes.Buffer{}
-	hw := &HTMLWriter{
-		out: buf,
-	}
-	defer hw.Finish()
-	gemini.ParseLines(r, hw.Handle)
-	return buf.Bytes()
-}
-
-type HTMLWriter struct {
-	out  io.Writer
-	pre  bool
-	list bool
-}
-
-func (h *HTMLWriter) Handle(line gemini.Line) {
-	if _, ok := line.(gemini.LineListItem); ok {
-		if !h.list {
-			h.list = true
-			fmt.Fprint(h.out, "<ul>\n")
-		}
-	} else if h.list {
-		h.list = false
-		fmt.Fprint(h.out, "</ul>\n")
-	}
-	switch line := line.(type) {
-	case gemini.LineLink:
-		url := html.EscapeString(line.URL)
-		name := html.EscapeString(line.Name)
-		if name == "" {
-			name = url
-		}
-		fmt.Fprintf(h.out, "<p><a href='%s'>%s</a></p>\n", url, name)
-	case gemini.LinePreformattingToggle:
-		h.pre = !h.pre
-		if h.pre {
-			fmt.Fprint(h.out, "<pre>\n")
-		} else {
-			fmt.Fprint(h.out, "</pre>\n")
-		}
-	case gemini.LinePreformattedText:
-		fmt.Fprintf(h.out, "%s\n", html.EscapeString(string(line)))
-	case gemini.LineHeading1:
-		fmt.Fprintf(h.out, "<h1>%s</h1>\n", html.EscapeString(string(line)))
-	case gemini.LineHeading2:
-		fmt.Fprintf(h.out, "<h2>%s</h2>\n", html.EscapeString(string(line)))
-	case gemini.LineHeading3:
-		fmt.Fprintf(h.out, "<h3>%s</h3>\n", html.EscapeString(string(line)))
-	case gemini.LineListItem:
-		fmt.Fprintf(h.out, "<li>%s</li>\n", html.EscapeString(string(line)))
-	case gemini.LineQuote:
-		fmt.Fprintf(h.out, "<blockquote>%s</blockquote>\n", html.EscapeString(string(line)))
-	case gemini.LineText:
-		if line == "" {
-			fmt.Fprint(h.out, "<br>\n")
-		} else {
-			fmt.Fprintf(h.out, "<p>%s</p>\n", html.EscapeString(string(line)))
-		}
-	}
-}
-
-func (h *HTMLWriter) Finish() {
-	if h.pre {
-		fmt.Fprint(h.out, "</pre>\n")
-	}
-	if h.list {
-		fmt.Fprint(h.out, "</ul>\n")
-	}
-}