diff --git a/catfish b/catfish
deleted file mode 100755
index c36581b..0000000
Binary files a/catfish and /dev/null differ
diff --git a/main.go b/main.go
deleted file mode 100644
index 8a88353..0000000
--- a/main.go
+++ /dev/null
@@ -1,122 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"encoding/binary"
-	"fmt"
-	"math"
-
-	"github.com/yobert/alsa"
-)
-
-func main() {
-
-	cards, err := alsa.OpenCards()
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-	defer alsa.CloseCards(cards)
-
-	for _, card := range cards {
-		fmt.Println(card)
-
-		if err := beep_card(card); err != nil {
-			fmt.Println(err)
-			return
-		}
-	}
-}
-
-func beep_card(card *alsa.Card) error {
-	devices, err := card.Devices()
-	if err != nil {
-		return err
-	}
-	for _, device := range devices {
-		if device.Type != alsa.PCM || !device.Play {
-			continue
-		}
-		fmt.Println("───", device)
-
-		if err := beep_device(device); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func beep_device(device *alsa.Device) error {
-	var err error
-
-	if err = device.Open(); err != nil {
-		return err
-	}
-	defer device.Close()
-
-	channels, err := device.NegotiateChannels(1, 2)
-	if err != nil {
-		return err
-	}
-
-	rate, err := device.NegotiateRate(44100)
-	if err != nil {
-		return err
-	}
-
-	format, err := device.NegotiateFormat(alsa.S16_LE, alsa.S32_LE)
-	if err != nil {
-		return err
-	}
-
-	buffer_size, err := device.NegotiateBufferSize(1024, 8192, 16384)
-	if err != nil {
-		return err
-	}
-
-	if err = device.Prepare(); err != nil {
-		return err
-	}
-
-	buf := bytes.NewBuffer(nil)
-	t := 0.0
-
-	fmt.Printf("Negotiated parameters: %d channels, %d hz, %v, %d frame buffer\n",
-		channels, rate, format, buffer_size)
-
-	for {
-		buf.Reset()
-
-		for i := 0; i < buffer_size; i++ {
-			v := math.Sin(t * 2 * math.Pi * 200) // A4
-			v *= 0.01                             // make a little quieter
-
-			switch format {
-			case alsa.S16_LE:
-				sample := int16(v * ((1 << 16) - 1))
-
-				for c := 0; c < channels; c++ {
-					binary.Write(buf, binary.LittleEndian, sample)
-				}
-
-			case alsa.S32_LE:
-				sample := int32(v * ((1 << 32) - 1))
-
-				for c := 0; c < channels; c++ {
-					binary.Write(buf, binary.LittleEndian, sample)
-				}
-
-			default:
-				return fmt.Errorf("Unhandled sample format: %v", format)
-			}
-
-			t += 1.0 / float64(rate)
-		}
-
-		if err := device.Write(buf.Bytes(), buffer_size); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}