diff --git a/pkg/present/args.go b/pkg/present/args.go
index c315f4f..49ee1a9 100644
--- a/pkg/present/args.go
+++ b/pkg/present/args.go
@@ -227,34 +227,3 @@
 	}
 	return m[0], m[1], nil
 }
-
-// lineToByte returns the byte index of the first byte of line n.
-// Line numbers begin at 1.
-func lineToByte(data []byte, n int) int {
-	if n <= 1 {
-		return 0
-	}
-	n--
-	for i, c := range data {
-		if c == '\n' {
-			if n--; n == 0 {
-				return i + 1
-			}
-		}
-	}
-	return len(data)
-}
-
-// byteToLine returns the number of the line containing the byte at index i.
-func byteToLine(data []byte, i int) int {
-	l := 1
-	for j, c := range data {
-		if j == i {
-			return l
-		}
-		if c == '\n' {
-			l++
-		}
-	}
-	return l
-}
diff --git a/pkg/present/code.go b/pkg/present/code.go
index 9a7f342..4d82d9a 100644
--- a/pkg/present/code.go
+++ b/pkg/present/code.go
@@ -224,70 +224,6 @@
 	return 0, "", false, fmt.Errorf("unrecognized argument %v type %T", arg, arg)
 }
 
-// oneLine returns the single line generated by a two-argument code invocation.
-func oneLine(ctx *Context, file, text string, arg interface{}) (line, before, after string, err error) {
-	contentBytes, err := ctx.ReadFile(file)
-	if err != nil {
-		return "", "", "", err
-	}
-	lines := strings.SplitAfter(string(contentBytes), "\n")
-	lineNum, pattern, isInt, err := parseArg(arg, len(lines))
-	if err != nil {
-		return "", "", "", err
-	}
-	var n int
-	if isInt {
-		n = lineNum - 1
-	} else {
-		n, err = match(file, 0, lines, pattern)
-		n -= 1
-	}
-	if err != nil {
-		return "", "", "", err
-	}
-	return lines[n],
-		strings.Join(lines[:n], ""),
-		strings.Join(lines[n+1:], ""),
-		nil
-}
-
-// multipleLines returns the text generated by a three-argument code invocation.
-func multipleLines(ctx *Context, file string, arg1, arg2 interface{}) (line, before, after string, err error) {
-	contentBytes, err := ctx.ReadFile(file)
-	lines := strings.SplitAfter(string(contentBytes), "\n")
-	if err != nil {
-		return "", "", "", err
-	}
-	line1, pattern1, isInt1, err := parseArg(arg1, len(lines))
-	if err != nil {
-		return "", "", "", err
-	}
-	line2, pattern2, isInt2, err := parseArg(arg2, len(lines))
-	if err != nil {
-		return "", "", "", err
-	}
-	if !isInt1 {
-		line1, err = match(file, 0, lines, pattern1)
-	}
-	if !isInt2 {
-		line2, err = match(file, line1, lines, pattern2)
-	} else if line2 < line1 {
-		return "", "", "", fmt.Errorf("lines out of order for %q: %d %d", file, line1, line2)
-	}
-	if err != nil {
-		return "", "", "", err
-	}
-	for k := line1 - 1; k < line2; k++ {
-		if strings.HasSuffix(lines[k], "OMIT\n") {
-			lines[k] = ""
-		}
-	}
-	return strings.Join(lines[line1-1:line2], ""),
-		strings.Join(lines[:line1-1], ""),
-		strings.Join(lines[line2:], ""),
-		nil
-}
-
 // match identifies the input line that matches the pattern in a code invocation.
 // If start>0, match lines starting there rather than at the beginning.
 // The return value is 1-indexed.