@@ -112,28 +112,27 @@
 	return buf, nil
 }
 
-func renderFeedStyles() (*strings.Reader, error) {
+func renderFeedStyles(w io.Writer) error {
 	tpl, err := template.ParseFS(templates.Files, "feed-styles.xsl")
 	if err != nil {
-		return nil, err
+		return err
 	}
 
 	esc := &strings.Builder{}
 	err = xml.EscapeText(esc, []byte(templates.CSS))
 
 	if err != nil {
-		return nil, err
+		return err
 	}
 
-	w := &strings.Builder{}
 	err = tpl.Execute(w, map[string]interface{}{
 		"css": esc.String(),
 	})
 	if err != nil {
-		return nil, err
+		return err
 	}
 
-	return strings.NewReader(w.String()), nil
+	return nil
 }
 
 func getFeedStylesHash(r io.Reader) (string, error) {