diff --git a/server/resource/util/util.go b/server/resource/util/util.go
deleted file mode 100644
index d0bf19568..000000000
--- a/server/resource/util/util.go
+++ /dev/null
@@ -1,116 +0,0 @@
-package util
-
-import (
-	"crypto/md5"
-	"crypto/rand"
-	"crypto/rsa"
-	"crypto/x509"
-	"encoding/pem"
-	"fmt"
-	"io"
-	"strings"
-	"unicode"
-
-	"code.google.com/p/go.crypto/ssh"
-	"code.google.com/p/go.text/unicode/norm"
-)
-
-// standard characters allowed in token string.
-var chars = []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
-
-// default token length
-var length = 40
-
-var (
-	lat = []*unicode.RangeTable{unicode.Letter, unicode.Number}
-	nop = []*unicode.RangeTable{unicode.Mark, unicode.Sk, unicode.Lm}
-)
-
-// helper function to create a Gravatar Hash
-// for the given Email address.
-func CreateGravatar(email string) string {
-	email = strings.ToLower(strings.TrimSpace(email))
-	hash := md5.New()
-	hash.Write([]byte(email))
-	return fmt.Sprintf("%x", hash.Sum(nil))
-}
-
-// helper function to create a Slug for the
-// given string of text.
-func CreateSlug(s string) string {
-	buf := make([]rune, 0, len(s))
-	dash := false
-	for _, r := range norm.NFKD.String(s) {
-		switch {
-		// unicode 'letters' like mandarin characters pass through
-		case unicode.IsOneOf(lat, r):
-			buf = append(buf, unicode.ToLower(r))
-			dash = true
-		case unicode.IsOneOf(nop, r):
-			// skip
-		case dash:
-			buf = append(buf, '-')
-			dash = false
-		}
-	}
-	if i := len(buf) - 1; i >= 0 && buf[i] == '-' {
-		buf = buf[:i]
-	}
-	return string(buf)
-}
-
-// GenerateToken generates random strings good for use in URIs to
-// identify unique objects.
-func GenerateToken() string {
-	b := make([]byte, length)
-	r := make([]byte, length+(length/4)) // storage for random bytes.
-	clen := byte(len(chars))
-	maxrb := byte(256 - (256 % len(chars)))
-	i := 0
-	for {
-		io.ReadFull(rand.Reader, r)
-		for _, c := range r {
-			if c >= maxrb {
-				// Skip this number to avoid modulo bias.
-				continue
-			}
-			b[i] = chars[c%clen]
-			i++
-			if i == length {
-				return string(b)
-			}
-		}
-	}
-}
-
-// -----------------------------------------------------------------------------
-// SSH Functions
-
-const (
-	RSA_BITS     = 2048 // Default number of bits in an RSA key
-	RSA_BITS_MIN = 768  // Minimum number of bits in an RSA key
-)
-
-// helper function to generate an RSA Private Key.
-func GeneratePrivateKey() (*rsa.PrivateKey, error) {
-	return rsa.GenerateKey(rand.Reader, RSA_BITS)
-}
-
-// helper function that marshalls an RSA Public Key to an SSH
-// .authorized_keys format
-func MarshalPublicKey(pubkey *rsa.PublicKey) string {
-	pk, err := ssh.NewPublicKey(pubkey)
-	if err != nil {
-		return ""
-	}
-
-	return string(ssh.MarshalAuthorizedKey(pk))
-}
-
-// helper function that marshalls an RSA Private Key to
-// a PEM encoded file.
-func MarshalPrivateKey(privkey *rsa.PrivateKey) string {
-	privateKeyMarshaled := x509.MarshalPKCS1PrivateKey(privkey)
-	privateKeyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Headers: nil, Bytes: privateKeyMarshaled})
-	return string(privateKeyPEM)
-}
diff --git a/server/resource/util/util_test.go b/server/resource/util/util_test.go
deleted file mode 100644
index c4220c9da..000000000
--- a/server/resource/util/util_test.go
+++ /dev/null
@@ -1,43 +0,0 @@
-package util
-
-import (
-	"testing"
-)
-
-func Test_CreateGravatar(t *testing.T) {
-	var got, want = CreateGravatar("dr_cooper@caltech.edu"), "2b77ba83e2216ddcd11fe8c24b70c2a3"
-	if got != want {
-		t.Errorf("Got gravatar hash %s, want %s", got, want)
-	}
-}
-
-func TestCreateSlug(t *testing.T) {
-	var slugs = map[string]string{
-		"sheldoncooper":    "sheldoncooper",
-		"SheldonCooper":    "sheldoncooper",
-		"Sheldon-Cooper":   "sheldon-cooper",
-		"Sheldon_Cooper":   "sheldon-cooper",
-		"Sheldon Cooper":   "sheldon-cooper",
-		"Sheldon Cooper1":  "sheldon-cooper1",
-		"Sheldon Cooper*":  "sheldon-cooper",
-		"Sheldon[Cooper]":  "sheldon-cooper",
-		"Sheldon[Cooper]]": "sheldon-cooper",
-		// let's try almost every single special character
-		"Sheldon!@#$%^&*()+=,<.>/?_Cooper": "sheldon-cooper",
-		"Sheldon!@#$%^&*()+=,<->/?Cooper":  "sheldon-cooper",
-	}
-
-	for in, out := range slugs {
-		var got, want = CreateSlug(in), out
-		if got != want {
-			t.Errorf("Got slug %s, want %s", got, want)
-		}
-	}
-}
-
-func TestGenerateToken(t *testing.T) {
-	token := GenerateToken()
-	if len(token) != length {
-		t.Errorf("Want token length %d, got %d", length, len(token))
-	}
-}
diff --git a/shared/model/util_test.go b/shared/model/util_test.go
new file mode 100644
index 000000000..4aa17166f
--- /dev/null
+++ b/shared/model/util_test.go
@@ -0,0 +1,19 @@
+package model
+
+import (
+	"testing"
+)
+
+func Test_createGravatar(t *testing.T) {
+	var got, want = createGravatar("dr_cooper@caltech.edu"), "2b77ba83e2216ddcd11fe8c24b70c2a3"
+	if got != want {
+		t.Errorf("Got gravatar hash %s, want %s", got, want)
+	}
+}
+
+func Test_generateToken(t *testing.T) {
+	token := generateToken()
+	if len(token) != length {
+		t.Errorf("Want token length %d, got %d", length, len(token))
+	}
+}