diff --git a/cwriter/writer.go b/cwriter/writer.go
index c25cf43..1586fdf 100644
--- a/cwriter/writer.go
+++ b/cwriter/writer.go
@@ -20,8 +20,8 @@
 // Writer is a buffered the writer that updates the terminal. The
 // contents of writer will be flushed when Flush is called.
 type Writer struct {
+	*bytes.Buffer
 	out      io.Writer
-	buf      bytes.Buffer
 	fd       int
 	terminal bool
 	termSize func(int) (int, int, error)
@@ -30,7 +30,8 @@
 // New returns a new Writer with defaults.
 func New(out io.Writer) *Writer {
 	w := &Writer{
-		out: out,
+		Buffer: new(bytes.Buffer),
+		out:    out,
 		termSize: func(_ int) (int, int, error) {
 			return -1, -1, ErrNotTTY
 		},
@@ -47,40 +48,14 @@
 	return w
 }
 
-// Flush flushes the underlying buffer.
-func (w *Writer) Flush(lines int) error {
-	_, err := w.buf.WriteTo(w.out)
-	// some terminals interpret 'cursor up 0' as 'cursor up 1'
-	if err == nil && lines > 0 {
-		err = w.clearLines(lines)
-	}
-	return err
-}
-
-// Write appends the contents of p to the underlying buffer.
-func (w *Writer) Write(p []byte) (n int, err error) {
-	return w.buf.Write(p)
-}
-
-// WriteString writes string to the underlying buffer.
-func (w *Writer) WriteString(s string) (n int, err error) {
-	return w.buf.WriteString(s)
-}
-
-// ReadFrom reads from the provided io.Reader and writes to the
-// underlying buffer.
-func (w *Writer) ReadFrom(r io.Reader) (n int64, err error) {
-	return w.buf.ReadFrom(r)
-}
-
 // GetTermSize returns WxH of underlying terminal.
 func (w *Writer) GetTermSize() (width, height int, err error) {
 	return w.termSize(w.fd)
 }
 
-func (w *Writer) ansiCuuAndEd(n int) error {
+func ansiCuuAndEd(out io.Writer, n int) error {
 	buf := make([]byte, 8)
 	buf = strconv.AppendInt(buf[:copy(buf, escOpen)], int64(n), 10)
-	_, err := w.buf.Write(append(buf, cuuAndEd...))
+	_, err := out.Write(append(buf, cuuAndEd...))
 	return err
 }
diff --git a/cwriter/writer_posix.go b/cwriter/writer_posix.go
index d3e1acd..a6f904f 100644
--- a/cwriter/writer_posix.go
+++ b/cwriter/writer_posix.go
@@ -6,8 +6,14 @@
 	"golang.org/x/sys/unix"
 )
 
-func (w *Writer) clearLines(n int) error {
-	return w.ansiCuuAndEd(n)
+// Flush flushes the underlying buffer.
+func (w *Writer) Flush(lines int) error {
+	_, err := w.WriteTo(w.out)
+	// some terminals interpret 'cursor up 0' as 'cursor up 1'
+	if err == nil && lines > 0 {
+		err = ansiCuuAndEd(w, lines)
+	}
+	return err
 }
 
 // GetSize returns the dimensions of the given terminal.
diff --git a/cwriter/writer_windows.go b/cwriter/writer_windows.go
index cc8d4d9..054383d 100644
--- a/cwriter/writer_windows.go
+++ b/cwriter/writer_windows.go
@@ -15,10 +15,32 @@
 	procFillConsoleOutputCharacter = kernel32.NewProc("FillConsoleOutputCharacterW")
 )
 
+var linesCleaner = makeLinesCleaner()
+
+func makeLinesCleaner() func(*Writer, int) error {
+	var lastLines int
+	return func(w *Writer, n int) (err error) {
+		if lastLines > 0 {
+			err = w.clearLines(lastLines)
+		}
+		lastLines = n
+		return err
+	}
+}
+
+// Flush flushes the underlying buffer.
+func (w *Writer) Flush(lines int) error {
+	err := linesCleaner(w, lines)
+	if err == nil {
+		_, err = w.WriteTo(w.out)
+	}
+	return err
+}
+
 func (w *Writer) clearLines(n int) error {
 	if !w.terminal {
 		// hope it's cygwin or similar
-		return w.ansiCuuAndEd()
+		return ansiCuuAndEd(w.out, n)
 	}
 
 	var info windows.ConsoleScreenBufferInfo
@@ -52,7 +74,6 @@
 }
 
 // GetSize returns the visible dimensions of the given terminal.
-//
 // These dimensions don't include any scrollback buffer height.
 func GetSize(fd int) (width, height int, err error) {
 	var info windows.ConsoleScreenBufferInfo