diff --git a/algs4/src/go/algs4/Makefile b/algs4/src/go/algs4/Makefile
deleted file mode 100644
index ce71d6c..0000000
--- a/algs4/src/go/algs4/Makefile
+++ /dev/null
@@ -1,31 +0,0 @@
-REPO_BASE := github.com/meatballhat/box-o-sand/algs4/src/go
-TARGETS := \
-	$(REPO_BASE)/algs4 \
-	$(REPO_BASE)/algs4/algs4-binarysearch \
-	$(REPO_BASE)/algs4/algs4-flips \
-	$(REPO_BASE)/algs4/algs4-gcd \
-	$(REPO_BASE)/algs4/algs4-rolls \
-	$(REPO_BASE)/algs4/algs4-randomseq \
-	$(REPO_BASE)/algs4/algs4-average \
-	$(REPO_BASE)/algs4/algs4-interval2d \
-	$(REPO_BASE)/algs4/algs4-date \
-	$(REPO_BASE)/algs4/algs4-test-accumulator \
-	$(REPO_BASE)/algs4/algs4-stats
-
-
-test: build
-	go test -x $(TARGETS)
-
-build: deps
-	go install -x $(TARGETS)
-
-fmt:
-	go fmt -x $(TARGETS)
-
-deps:
-	go get -x -n $(TARGETS)
-
-clean:
-	go clean -x -x $(TARGETS)
-
-.PHONY: test build deps clean fmt
diff --git a/algs4/src/go/algs4/accumulator.go b/algs4/src/go/algs4/accumulator.go
deleted file mode 100644
index 62c2f01..0000000
--- a/algs4/src/go/algs4/accumulator.go
+++ /dev/null
@@ -1,28 +0,0 @@
-package algs4
-
-import "fmt"
-
-type Accumulator struct {
-	total float64
-	n     int
-}
-
-func NewAccumulator() *Accumulator {
-	return &Accumulator{
-		float64(0.0),
-		0,
-	}
-}
-
-func (me *Accumulator) AddDataValue(val float64) {
-	me.n++
-	me.total += val
-}
-
-func (me *Accumulator) Mean() float64 {
-	return me.total / float64(me.n)
-}
-
-func (me *Accumulator) String() string {
-	return fmt.Sprintf("Mean (%d values): %7.5f", me.n, me.Mean())
-}
diff --git a/algs4/src/go/algs4/algs4-average/main.go b/algs4/src/go/algs4/algs4-average/main.go
deleted file mode 100644
index 208dea0..0000000
--- a/algs4/src/go/algs4/algs4-average/main.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"io"
-	"os"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	sum := 0.0
-	cnt := 0
-
-	for {
-		d, err := algs4.Stdin.ReadDouble()
-		if err == io.EOF {
-			break
-		}
-
-		if err != nil {
-			die(err)
-		}
-
-		sum += d
-		cnt++
-	}
-
-	fmt.Printf("Average is %.5f\n", sum/float64(cnt))
-}
diff --git a/algs4/src/go/algs4/algs4-binarysearch/main.go b/algs4/src/go/algs4/algs4-binarysearch/main.go
deleted file mode 100644
index b383f0c..0000000
--- a/algs4/src/go/algs4/algs4-binarysearch/main.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"sort"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-const USAGE string = `Usage: algs4-binarysearch <whitelist-file>
-
-You must also provide input on stdin.`
-
-func main() {
-	if len(os.Args) < 2 {
-		fmt.Println(USAGE)
-		os.Exit(2)
-	}
-
-	whiteListFile, err := os.Open(string(os.Args[1]))
-	if err != nil {
-		fmt.Println("Failed to open whitelist file:", err)
-	}
-
-	whiteList, err := algs4.ReadInts(bufio.NewReader(whiteListFile))
-	if err != nil {
-		fmt.Println("UGH: ", err)
-		os.Exit(1)
-	}
-
-	sort.Ints(whiteList)
-
-	inputs, err := algs4.ReadInts(bufio.NewReader(os.Stdin))
-	if err != nil {
-		fmt.Println("Failed to read inputs:", err)
-		os.Exit(1)
-	}
-
-	for _, key := range inputs {
-		if algs4.BinarySearchRank(key, whiteList) == -1 {
-			fmt.Println(key)
-		}
-	}
-}
diff --git a/algs4/src/go/algs4/algs4-date/main.go b/algs4/src/go/algs4/algs4-date/main.go
deleted file mode 100644
index b655014..0000000
--- a/algs4/src/go/algs4/algs4-date/main.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	"os"
-	"strconv"
-
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	if len(os.Args) < 4 {
-		die(errors.New("We need 3 ints!"))
-	}
-
-	m, err := strconv.Atoi(os.Args[1])
-	if err != nil {
-		die(err)
-	}
-
-	d, err := strconv.Atoi(os.Args[2])
-	if err != nil {
-		die(err)
-	}
-
-	y, err := strconv.Atoi(os.Args[3])
-	if err != nil {
-		die(err)
-	}
-
-	date := algs4.NewDate(m, d, y)
-	fmt.Println(date)
-}
diff --git a/algs4/src/go/algs4/algs4-flips/main.go b/algs4/src/go/algs4/algs4-flips/main.go
deleted file mode 100644
index ac9f79c..0000000
--- a/algs4/src/go/algs4/algs4-flips/main.go
+++ /dev/null
@@ -1,49 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"math"
-	"math/rand"
-	"os"
-	"strconv"
-	"time"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-const USAGE string = "Usage: algs4-flips <nflips>"
-
-func main() {
-	if len(os.Args) < 2 {
-		fmt.Println(USAGE)
-		os.Exit(1)
-	}
-
-	rand.Seed(time.Now().UTC().UnixNano())
-
-	nflips, err := strconv.Atoi(os.Args[1])
-	if err != nil {
-		fmt.Println("Wat.", err)
-		os.Exit(2)
-	}
-
-	heads := algs4.NewCounter("heads")
-	tails := algs4.NewCounter("tails")
-
-	for t := 0; t < nflips; t++ {
-		if rand.Float64() > 0.5 {
-			heads.Increment()
-		} else {
-			tails.Increment()
-		}
-	}
-
-	fmt.Println(heads)
-	fmt.Println(tails)
-
-	d := heads.Tally() - tails.Tally()
-
-	fmt.Printf("delta: %d\n", int(math.Abs(float64(d))))
-}
diff --git a/algs4/src/go/algs4/algs4-gcd/main.go b/algs4/src/go/algs4/algs4-gcd/main.go
deleted file mode 100644
index aefdd0c..0000000
--- a/algs4/src/go/algs4/algs4-gcd/main.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strconv"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-const USAGE string = `Usage: algs4-gcd <uint> <uint>`
-
-func main() {
-	if len(os.Args) < 3 {
-		fmt.Println(USAGE)
-		os.Exit(1)
-	}
-
-	p, err := strconv.ParseUint(os.Args[1], 10, 0)
-	if err != nil {
-		fmt.Println("Wherps: ", err)
-		os.Exit(1)
-	}
-
-	q, err := strconv.ParseUint(os.Args[2], 10, 0)
-	if err != nil {
-		fmt.Println("Wherps: ", err)
-		os.Exit(1)
-	}
-
-	fmt.Println(algs4.Gcd(p, q))
-}
diff --git a/algs4/src/go/algs4/algs4-interval2d/main.go b/algs4/src/go/algs4/algs4-interval2d/main.go
deleted file mode 100644
index 0acdec2..0000000
--- a/algs4/src/go/algs4/algs4-interval2d/main.go
+++ /dev/null
@@ -1,77 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	"math/rand"
-	"os"
-	"strconv"
-	"time"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	if len(os.Args) < 6 {
-		die(errors.New("We need 4 floats and an int!"))
-	}
-
-	rand.Seed(time.Now().UTC().UnixNano())
-
-	xlo, err := strconv.ParseFloat(os.Args[1], 32)
-	if err != nil {
-		die(err)
-	}
-
-	xhi, err := strconv.ParseFloat(os.Args[2], 32)
-	if err != nil {
-		die(err)
-	}
-
-	ylo, err := strconv.ParseFloat(os.Args[3], 32)
-	if err != nil {
-		die(err)
-	}
-
-	yhi, err := strconv.ParseFloat(os.Args[4], 32)
-	if err != nil {
-		die(err)
-	}
-
-	npoints, err := strconv.Atoi(os.Args[5])
-	if err != nil {
-		die(err)
-	}
-
-	xint := algs4.NewInterval1D(xlo, xhi)
-	yint := algs4.NewInterval1D(ylo, yhi)
-	box := algs4.NewInterval2D(xint, yint, nil)
-	box.Draw()
-
-	c := algs4.NewCounter("hits")
-	for t := 0; t < npoints; t++ {
-		x := rand.Float64()
-		y := rand.Float64()
-		p := algs4.NewPoint2D(x, y, nil)
-		if box.Contains(p) {
-			c.Increment()
-		} else {
-			p.Draw()
-		}
-	}
-
-	err = algs4.Draw()
-	if err != nil {
-		die(err)
-	}
-
-	fmt.Println(c)
-	fmt.Printf("area = %.2f\n", box.Area())
-}
diff --git a/algs4/src/go/algs4/algs4-randomseq/main.go b/algs4/src/go/algs4/algs4-randomseq/main.go
deleted file mode 100644
index 89130a8..0000000
--- a/algs4/src/go/algs4/algs4-randomseq/main.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	"os"
-	"strconv"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	if len(os.Args) < 4 {
-		die(errors.New("We need an int and two floats!"))
-	}
-	n, err := strconv.Atoi(os.Args[1])
-	if err != nil {
-		die(err)
-	}
-
-	lo, err := strconv.ParseFloat(os.Args[2], 32)
-	if err != nil {
-		die(err)
-	}
-
-	hi, err := strconv.ParseFloat(os.Args[3], 32)
-	if err != nil {
-		die(err)
-	}
-
-	for i := 0; i < n; i++ {
-		x := algs4.RandomUniform(lo, hi)
-		fmt.Printf("%.2f\n", x)
-	}
-}
diff --git a/algs4/src/go/algs4/algs4-rolls/main.go b/algs4/src/go/algs4/algs4-rolls/main.go
deleted file mode 100644
index ea89e5e..0000000
--- a/algs4/src/go/algs4/algs4-rolls/main.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"strconv"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-const (
-	USAGE = "Usage: algs4-rolls <nrolls>"
-	SIDES = 6
-)
-
-func die(err error) {
-	fmt.Println("Wat.", err)
-	os.Exit(2)
-}
-
-func main() {
-	if len(os.Args) < 2 {
-		fmt.Println(USAGE)
-		os.Exit(1)
-	}
-
-	nrolls, err := strconv.Atoi(os.Args[1])
-	if err != nil {
-		die(err)
-	}
-
-	for _, roll := range algs4.Rolls(nrolls) {
-		fmt.Println(roll)
-	}
-}
diff --git a/algs4/src/go/algs4/algs4-stats/main.go b/algs4/src/go/algs4/algs4-stats/main.go
deleted file mode 100644
index 7be5878..0000000
--- a/algs4/src/go/algs4/algs4-stats/main.go
+++ /dev/null
@@ -1,53 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"math"
-	"os"
-
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	numbers := algs4.NewBag()
-
-	for !algs4.Stdin.IsEmpty() {
-		d, err := algs4.Stdin.ReadDouble()
-		if err != nil {
-			break
-		}
-		numbers.Add(d)
-	}
-
-	n := numbers.Size()
-	sum := float64(0.0)
-
-	for x := range numbers.Each() {
-		if val, ok := x.(float64); ok {
-			sum += val
-		} else {
-			fmt.Fprintf(os.Stderr, "%v is not a float64!", x)
-		}
-	}
-
-	mean := sum / float64(n)
-
-	sum = float64(0.0)
-	for x := range numbers.Each() {
-		if val, ok := x.(float64); ok {
-			sum += (val - mean) * (val - mean)
-		} else {
-			fmt.Fprintf(os.Stderr, "%v is not a float64!", x)
-		}
-	}
-
-	std := math.Sqrt(sum / (float64(n) - float64(1)))
-
-	fmt.Printf("Mean: %.2f\n", mean)
-	fmt.Printf("Std dev: %.2f\n", std)
-}
diff --git a/algs4/src/go/algs4/algs4-test-accumulator/main.go b/algs4/src/go/algs4/algs4-test-accumulator/main.go
deleted file mode 100644
index fea140a..0000000
--- a/algs4/src/go/algs4/algs4-test-accumulator/main.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package main
-
-import (
-	"errors"
-	"fmt"
-	"os"
-	"strconv"
-
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func die(err error) {
-	fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
-	os.Exit(1)
-}
-
-func main() {
-	if len(os.Args) < 2 {
-		die(errors.New("We need an int!"))
-	}
-
-	nValues, err := strconv.Atoi(os.Args[1])
-	if err != nil {
-		die(err)
-	}
-
-	a := algs4.NewAccumulator()
-	for t := 0; t < nValues; t++ {
-		a.AddDataValue(algs4.Random())
-	}
-
-	fmt.Println(a)
-	return
-}
diff --git a/algs4/src/go/algs4/bag.go b/algs4/src/go/algs4/bag.go
deleted file mode 100644
index 53833a0..0000000
--- a/algs4/src/go/algs4/bag.go
+++ /dev/null
@@ -1,50 +0,0 @@
-package algs4
-
-import (
-	"fmt"
-	"reflect"
-)
-
-type Bag struct {
-	items map[string]interface{}
-}
-
-type Item struct {
-	Name string
-}
-
-func NewBag() *Bag {
-	return &Bag{
-		items: map[string]interface{}{},
-	}
-}
-
-func (me *Bag) Add(item interface{}) {
-	me.items[me.hashItem(item)] = item
-}
-
-func (me *Bag) IsEmpty() bool {
-	return len(me.items) == 0
-}
-
-func (me *Bag) Size() int {
-	return len(me.items)
-}
-
-func (me *Bag) Each() <-chan interface{} {
-	out := make(chan interface{})
-
-	go func() {
-		defer close(out)
-		for _, item := range me.items {
-			out <- item
-		}
-	}()
-
-	return (<-chan interface{})(out)
-}
-
-func (me *Bag) hashItem(item interface{}) string {
-	t := reflect.TypeOf(item)
-	return fmt.Sprintf("%s%s%v", t.Name(), t.String(), &t)
-}
diff --git a/algs4/src/go/algs4/binarysearch.go b/algs4/src/go/algs4/binarysearch.go
deleted file mode 100644
index a8abca0..0000000
--- a/algs4/src/go/algs4/binarysearch.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package algs4
-
-func BinarySearchRank(key int, a []int) int {
-	lo := 0
-	hi := len(a) - 1
-
-	var mid int
-
-	for lo <= hi {
-		mid = lo + (hi-lo)/2
-		if key < a[mid] {
-			hi = mid - 1
-		} else if key > a[mid] {
-			lo = mid + 1
-		} else {
-			return mid
-		}
-	}
-
-	return -1
-}
diff --git a/algs4/src/go/algs4/binarysearch_test.go b/algs4/src/go/algs4/binarysearch_test.go
deleted file mode 100644
index f98991b..0000000
--- a/algs4/src/go/algs4/binarysearch_test.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package algs4_test
-
-import (
-	"testing"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func TestBinarySearchRank(t *testing.T) {
-	arr := [...]int{0, 2, 9, 14, 23}
-
-	if algs4.BinarySearchRank(9, arr[:]) != 2 {
-		t.Error("Failed to find 9 in", arr)
-	}
-
-	if algs4.BinarySearchRank(0, arr[:]) != 0 {
-		t.Error("Failed to find 0 in", arr)
-	}
-}
diff --git a/algs4/src/go/algs4/canvas.go b/algs4/src/go/algs4/canvas.go
deleted file mode 100644
index d987a43..0000000
--- a/algs4/src/go/algs4/canvas.go
+++ /dev/null
@@ -1,159 +0,0 @@
-package algs4
-
-import (
-	"errors"
-	"fmt"
-	"image"
-	"image/draw"
-	"math"
-	"os"
-
-	"code.google.com/p/x-go-binding/ui"
-	"code.google.com/p/x-go-binding/ui/x11"
-)
-
-var (
-	DefaultCanvas, DefaultCanvasError = NewCanvas(512, 512,
-		float64(0.0), float64(1.0), float64(0.0), float64(1.0))
-
-	halfWidthNegativeError  = errors.New("half width can't be negative")
-	halfHeightNegativeError = errors.New("half height can't be negative")
-)
-
-func init() {
-	if DefaultCanvasError != nil {
-		fmt.Fprintf(os.Stderr,
-			"Failed to initialize DefaultCanvas: %v\n", DefaultCanvasError)
-		panic(DefaultCanvasError)
-	}
-}
-
-type Canvas struct {
-	Height int
-	Width  int
-	Xmin   float64
-	Xmax   float64
-	Ymin   float64
-	Ymax   float64
-
-	img    *image.RGBA
-	window ui.Window
-}
-
-func NewCanvas(height, width int, xmin, xmax, ymin, ymax float64) (*Canvas, error) {
-	canvas := &Canvas{
-		Height: height,
-		Width:  width,
-		Xmin:   xmin,
-		Xmax:   xmax,
-		Ymin:   ymin,
-		Ymax:   ymax,
-
-		img:    image.NewRGBA(image.Rect(0, 0, height, width)),
-		window: nil,
-	}
-
-	return canvas, nil
-}
-
-func (me *Canvas) ensureHasWindow() error {
-	if me.window != nil {
-		return nil
-	}
-
-	window, err := x11.NewWindow()
-	if err != nil {
-		return err
-	}
-
-	me.window = window
-
-	return nil
-}
-
-func (me *Canvas) Image() *image.RGBA {
-	return me.img
-}
-
-func (me *Canvas) Bounds() image.Rectangle {
-	return me.img.Bounds()
-}
-
-func (me *Canvas) Rectangle(x, y, halfWidth, halfHeight float64) error {
-	if halfWidth < 0 {
-		return halfWidthNegativeError
-	}
-
-	if halfHeight < 0 {
-		return halfHeightNegativeError
-	}
-
-	f2 := float64(2.0)
-
-	xs := me.scaleX(x)
-	ys := me.scaleY(y)
-	ws := me.factorX(f2 * halfWidth)
-	hs := me.factorY(f2 * halfHeight)
-
-	if ws <= 1 && hs <= 1 {
-		me.Pixel(x, y)
-		return nil
-	}
-
-	originX, originY := int(xs-ws/f2), int(ys-hs/f2)
-	draw.Draw(me.img,
-		image.Rect(originX, originY, originX+int(ws), originY+int(hs)),
-		&image.Uniform{image.White}, image.ZP, draw.Src)
-
-	return nil
-}
-
-func (me *Canvas) Pixel(x, y float64) error {
-	err := me.ensureHasWindow()
-	if err != nil {
-		return err
-	}
-
-	originX, originY := int(me.scaleX(x)), int(me.scaleY(y))
-	draw.Draw(me.img, image.Rect(originX, originY, originX+1, originY+1),
-		&image.Uniform{image.White}, image.ZP, draw.Src)
-	me.window.FlushImage()
-
-	return nil
-}
-
-func (me *Canvas) Draw() error {
-	err := me.ensureHasWindow()
-	if err != nil {
-		return err
-	}
-
-	draw.Draw(me.window.Screen(), me.window.Screen().Bounds(), me.img, image.ZP, draw.Src)
-	me.window.FlushImage()
-
-	for evt := range me.window.EventChan() {
-		switch evt := evt.(type) {
-		case ui.KeyEvent:
-			if evt.Key == 'q' {
-				return nil
-			}
-		}
-	}
-	return nil
-}
-
-func (me *Canvas) scaleX(x float64) float64 {
-	return float64(me.Width) * (x - me.Xmin) / (me.Xmax - me.Xmin)
-}
-
-func (me *Canvas) scaleY(y float64) float64 {
-	return float64(me.Height) * (me.Ymax - y) / (me.Ymax - me.Ymin)
-}
-
-func (me *Canvas) factorX(w float64) float64 {
-	return w * float64(me.Width) / math.Abs(me.Xmax-me.Xmin)
-}
-
-func (me *Canvas) factorY(h float64) float64 {
-	return h * float64(me.Height) / math.Abs(me.Ymax-me.Ymin)
-}
diff --git a/algs4/src/go/algs4/counter.go b/algs4/src/go/algs4/counter.go
deleted file mode 100644
index a278cab..0000000
--- a/algs4/src/go/algs4/counter.go
+++ /dev/null
@@ -1,37 +0,0 @@
-package algs4
-
-import (
-	"fmt"
-)
-
-type Counter struct {
-	name  string
-	count int
-}
-
-func NewCounter(name string) *Counter {
-	counter := &Counter{}
-	counter.name = name
-	return counter
-}
-
-func (c *Counter) Increment() {
-	c.count += 1
-}
-
-func (c *Counter) Tally() int {
-	return c.count
-}
-
-func (c *Counter) String() string {
-	return fmt.Sprintf("%d %s", c.count, c.name)
-}
-
-func (c *Counter) Cmp(other *Counter) int {
-	if c.count < other.count {
-		return -1
-	} else if c.count > other.count {
-		return 1
-	}
-	return 0
-}
diff --git a/algs4/src/go/algs4/date.go b/algs4/src/go/algs4/date.go
deleted file mode 100644
index d0ad2a0..0000000
--- a/algs4/src/go/algs4/date.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package algs4
-
-import (
-	"fmt"
-)
-
-type Date struct {
-	Month int
-	Day   int
-	Year  int
-}
-
-func NewDate(m, d, y int) *Date {
-	return &Date{
-		Month: m,
-		Day:   d,
-		Year:  y,
-	}
-}
-
-func (me *Date) String() string {
-	return fmt.Sprintf("%d/%d/%d", me.Month, me.Day, me.Year)
-}
diff --git a/algs4/src/go/algs4/draw.go b/algs4/src/go/algs4/draw.go
deleted file mode 100644
index 71fe894..0000000
--- a/algs4/src/go/algs4/draw.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package algs4
-
-func Draw() error {
-	return DefaultCanvas.Draw()
-}
diff --git a/algs4/src/go/algs4/gcd.go b/algs4/src/go/algs4/gcd.go
deleted file mode 100644
index 0a06355..0000000
--- a/algs4/src/go/algs4/gcd.go
+++ /dev/null
@@ -1,9 +0,0 @@
-package algs4
-
-func Gcd(p, q uint64) uint64 {
-	if q == 0 {
-		return p
-	}
-	r := p % q
-	return Gcd(q, r)
-}
diff --git a/algs4/src/go/algs4/gcd_test.go b/algs4/src/go/algs4/gcd_test.go
deleted file mode 100644
index 08aadd2..0000000
--- a/algs4/src/go/algs4/gcd_test.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package algs4_test
-
-import (
-	"testing"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-func TestGcd(t *testing.T) {
-	d := algs4.Gcd(uint64(81), uint64(72))
-	if d != 9 {
-		t.Error("WRONG")
-	}
-}
diff --git a/algs4/src/go/algs4/interval1d.go b/algs4/src/go/algs4/interval1d.go
deleted file mode 100644
index 200773f..0000000
--- a/algs4/src/go/algs4/interval1d.go
+++ /dev/null
@@ -1,21 +0,0 @@
-package algs4
-
-type Interval1D struct {
-	Left  float64
-	Right float64
-}
-
-func NewInterval1D(left, right float64) *Interval1D {
-	return &Interval1D{
-		Left:  left,
-		Right: right,
-	}
-}
-
-func (me *Interval1D) Contains(x float64) bool {
-	return me.Left <= x && x <= me.Right
-}
-
-func (me *Interval1D) Length() float64 {
-	return me.Right - me.Left
-}
diff --git a/algs4/src/go/algs4/interval2d.go b/algs4/src/go/algs4/interval2d.go
deleted file mode 100644
index 25e2a36..0000000
--- a/algs4/src/go/algs4/interval2d.go
+++ /dev/null
@@ -1,33 +0,0 @@
-package algs4
-
-type Interval2D struct {
-	Xint   *Interval1D
-	Yint   *Interval1D
-	Canvas *Canvas
-}
-
-func NewInterval2D(xint, yint *Interval1D, canvas *Canvas) *Interval2D {
-	if canvas == nil {
-		canvas = DefaultCanvas
-	}
-
-	return &Interval2D{
-		Xint:   xint,
-		Yint:   yint,
-		Canvas: canvas,
-	}
-}
-
-func (me *Interval2D) Contains(p *Point2D) bool {
-	return me.Xint.Contains(p.X) && me.Yint.Contains(p.Y)
-}
-
-func (me *Interval2D) Draw() {
-	xc := (me.Xint.Left + me.Xint.Right) / 2.0
-	yc := (me.Yint.Left + me.Yint.Right) / 2.0
-	me.Canvas.Rectangle(xc, yc, me.Xint.Length()/2.0, me.Yint.Length()/2.0)
-}
-
-func (me *Interval2D) Area() float64 {
-	return me.Xint.Length() * me.Yint.Length()
-}
diff --git a/algs4/src/go/algs4/io.go b/algs4/src/go/algs4/io.go
deleted file mode 100644
index fe859bb..0000000
--- a/algs4/src/go/algs4/io.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package algs4
-
-import (
-	"bufio"
-	"io"
-	"os"
-	"strconv"
-	"strings"
-)
-
-type inputWrapper struct {
-	Inbuf *bufio.Reader
-}
-
-var (
-	Stdin = &inputWrapper{}
-)
-
-func init() {
-	Stdin.Inbuf = bufio.NewReader(os.Stdin)
-}
-
-func (in *inputWrapper) ReadDouble() (float64, error) {
-	line, err := in.Inbuf.ReadString('\n')
-
-	if err != nil {
-		return float64(0), err
-	}
-
-	dbl, err := strconv.ParseFloat(strings.TrimSpace(line), 64)
-	if err != nil {
-		return float64(0), err
-	}
-
-	return dbl, nil
-}
-
-func (in *inputWrapper) IsEmpty() bool {
-	_, err := in.Inbuf.Peek(1)
-	if err != nil {
-		return true
-	}
-
-	return false
-}
-
-func ReadInts(inbuf io.Reader) ([]int, error) {
-	ints := make([]int, 0)
-
-	var i64 int64
-
-	fileReader := bufio.NewReader(inbuf)
-	line, err := fileReader.ReadString('\n')
-
-	for err == nil {
-		line = strings.TrimSpace(line)
-
-		if len(line) > 0 {
-			i64, err = strconv.ParseInt(line, 10, 32)
-
-			if err != nil {
-				return nil, err
-			}
-
-			ints = append(ints, int(i64))
-		}
-
-		line, err = fileReader.ReadString('\n')
-	}
-
-	if err != nil && err != io.EOF {
-		return nil, err
-	}
-
-	return ints, nil
-}
diff --git a/algs4/src/go/algs4/io_test.go b/algs4/src/go/algs4/io_test.go
deleted file mode 100644
index 11ca7f0..0000000
--- a/algs4/src/go/algs4/io_test.go
+++ /dev/null
@@ -1,50 +0,0 @@
-package algs4_test
-
-import (
-	"fmt"
-	"strings"
-	"testing"
-)
-
-import (
-	"github.com/meatballhat/box-o-sand/algs4/src/go/algs4"
-)
-
-const INTS_STRING = `
-999
-848
--7271
-7384
-71878
-92
-0
-0
-0
--99
-`
-
-func TestReadInts(t *testing.T) {
-	ints, err := algs4.ReadInts(strings.NewReader(INTS_STRING))
-
-	if err != nil {
-		t.Error("Wrong wrong wrong: ", err)
-	}
-
-	if ints == nil {
-		t.Error("Nothing in the ints!: ", ints)
-	}
-
-	fmt.Println("ints =", ints)
-
-	if ints[0] != 999 {
-		t.Error("fail on 0: 999 !=", ints[0])
-	}
-
-	if ints[4] != 71878 {
-		t.Error("fail on 4: 71878 !=", ints[4])
-	}
-
-	if ints[6] != 0 {
-		t.Error("fail on 6: 0 !=", ints[6])
-	}
-}
diff --git a/algs4/src/go/algs4/point2d.go b/algs4/src/go/algs4/point2d.go
deleted file mode 100644
index 81d1c43..0000000
--- a/algs4/src/go/algs4/point2d.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package algs4
-
-type Point2D struct {
-	X float64
-	Y float64
-
-	canvas *Canvas
-}
-
-func NewPoint2D(x, y float64, canvas *Canvas) *Point2D {
-	if canvas == nil {
-		canvas = DefaultCanvas
-	}
-
-	return &Point2D{
-		X: x,
-		Y: y,
-
-		canvas: canvas,
-	}
-}
-
-func (me *Point2D) Draw() {
-	me.canvas.Pixel(me.X, me.Y)
-}
diff --git a/algs4/src/go/algs4/queue.go b/algs4/src/go/algs4/queue.go
deleted file mode 100644
index 9f34dfa..0000000
--- a/algs4/src/go/algs4/queue.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package algs4
-
-type Queue struct {
-	items []interface{}
-}
-
-func NewQueue() *Queue {
-	return &Queue{
-		items: []interface{}{},
-	}
-}
-
-func (me *Queue) Enqueue(item interface{}) {
-	me.items = append(me.items, item)
-}
-
-func (me *Queue) Dequeue() interface{} {
-	if me.IsEmpty() {
-		return nil
-	}
-
-	ret := me.items[0]
-	me.items = me.items[1:]
-
-	return ret
-}
-
-func (me *Queue) Size() int {
-	return len(me.items)
-}
-
-func (me *Queue) IsEmpty() bool {
-	return len(me.items) == 0
-}
diff --git a/algs4/src/go/algs4/random.go b/algs4/src/go/algs4/random.go
deleted file mode 100644
index 8cb1708..0000000
--- a/algs4/src/go/algs4/random.go
+++ /dev/null
@@ -1,18 +0,0 @@
-package algs4
-
-import (
-	"math/rand"
-	"time"
-)
-
-func init() {
-	rand.Seed(time.Now().UTC().UnixNano())
-}
-
-func RandomUniform(min, max float64) float64 {
-	return rand.Float64()*(max-min) + min
-}
-
-func Random() float64 {
-	return rand.Float64()
-}
diff --git a/algs4/src/go/algs4/rolls.go b/algs4/src/go/algs4/rolls.go
deleted file mode 100644
index 577058c..0000000
--- a/algs4/src/go/algs4/rolls.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package algs4
-
-import (
-	"fmt"
-)
-
-const ROLL_SIDES = 6
-
-func Rolls(nrolls int) []*Counter {
-	var rolls []*Counter
-
-	for i := 0; i < ROLL_SIDES; i++ {
-		rolls = append(rolls, NewCounter(fmt.Sprintf("%d's", i+1)))
-	}
-
-	randMax := float64(ROLL_SIDES)
-	zero := float64(0.0)
-
-	for t := 0; t < nrolls; t++ {
-		result := int(RandomUniform(zero, randMax))
-		rolls[result].Increment()
-	}
-
-	return rolls
-}
diff --git a/algs4/src/go/algs4/stack.go b/algs4/src/go/algs4/stack.go
deleted file mode 100644
index e1d022a..0000000
--- a/algs4/src/go/algs4/stack.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package algs4
-
-type Stack struct {
-	items []interface{}
-}
-
-func NewStack() *Stack {
-	return &Stack{
-		items: []interface{}{},
-	}
-}
-
-func (me *Stack) Push(item interface{}) {
-	me.items = append(me.items, item)
-}
-
-func (me *Stack) Pop() interface{} {
-	if me.IsEmpty() {
-		return nil
-	}
-
-	lastIdx := me.Size() - 1
-	lastItem := me.items[lastIdx]
-	me.items = me.items[:lastIdx]
-
-	return lastItem
-}
-
-func (me *Stack) IsEmpty() bool {
-	return len(me.items) == 0
-}
-
-func (me *Stack) Size() int {
-	return len(me.items)
-}