diff --git a/x/sms/mitake/provider.go b/x/sms/mitake/provider.go
deleted file mode 100644
index 7148c386..00000000
--- a/x/sms/mitake/provider.go
+++ /dev/null
@@ -1,105 +0,0 @@
-// Package mitake is a sms provider for mitake.
-// See: https://sms.mitake.com.tw/
-package mitake
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-	"net/url"
-
-	"golang.org/x/text/encoding/traditionalchinese"
-
-	"github.com/go-kratos-ecosystem/components/v2/x/sms"
-)
-
-type provider struct {
-	api      string
-	username string
-	password string
-
-	httpClient *http.Client
-}
-
-type Option func(t *provider)
-
-func WithAPI(api string) Option {
-	return func(t *provider) {
-		t.api = api
-	}
-}
-
-func WithHTTPClient(httpClient *http.Client) Option {
-	return func(t *provider) {
-		t.httpClient = httpClient
-	}
-}
-
-func New(username, password string, opts ...Option) sms.Provider {
-	p := &provider{
-		api:        "https://smsapi.mitake.com.tw",
-		username:   username,
-		password:   password,
-		httpClient: http.DefaultClient,
-	}
-
-	for _, opt := range opts {
-		opt(p)
-	}
-
-	return p
-}
-
-func (p *provider) Send(ctx context.Context, message *sms.Message) (err error) {
-	if err = p.verify(message); err != nil {
-		return
-	}
-
-	// Convert to Big5
-	text, err := traditionalchinese.Big5.NewEncoder().String(message.Content.Text)
-	if err != nil {
-		return
-	}
-
-	// Combine params
-	params := url.Values{}
-	params.Set("username", p.username)
-	params.Set("password", p.password)
-	params.Set("type", "now")
-	params.Set("encoding", "big5")
-	params.Set("dstaddr", message.Phone.Number)
-	params.Set("smbody", text)
-
-	// new message
-	req, err := http.NewRequestWithContext(ctx, http.MethodGet, p.api+"?"+params.Encode(), nil)
-	if err != nil {
-		return
-	}
-
-	// send message
-	rep, err := p.httpClient.Do(req)
-	if err != nil {
-		return
-	}
-	defer rep.Body.Close()
-
-	// check rep
-	if rep.StatusCode != http.StatusOK {
-		err = fmt.Errorf("sms mitake: http status code: %d", rep.StatusCode)
-		return
-	}
-
-	return nil
-}
-
-func (p *provider) verify(message *sms.Message) error {
-	if message.Phone == nil || message.Phone.Number == "" {
-		return sms.ErrInvalidPhone
-	}
-
-	if message.Content == nil || message.Content.Text == "" {
-		return sms.ErrInvalidMessage
-	}
-
-	return nil
-}
diff --git a/x/sms/mitake/provider_test.go b/x/sms/mitake/provider_test.go
deleted file mode 100644
index 37e7713f..00000000
--- a/x/sms/mitake/provider_test.go
+++ /dev/null
@@ -1,47 +0,0 @@
-package mitake
-
-import (
-	"context"
-	"net/http"
-	"net/http/httptest"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-
-	"github.com/go-kratos-ecosystem/components/v2/x/sms"
-)
-
-func TestProvider(t *testing.T) {
-	var (
-		username = "test"
-		password = "test"
-		number   = "123456789"
-		text     = "Hello, world"
-	)
-
-	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assert.Equal(t, http.MethodGet, r.Method)
-		assert.Equal(t, username, r.URL.Query().Get("username"))
-		assert.Equal(t, password, r.URL.Query().Get("password"))
-		assert.Equal(t, number, r.URL.Query().Get("dstaddr"))
-		assert.Equal(t, text, r.URL.Query().Get("smbody"))
-
-		w.Write([]byte("hello")) //nolint:errcheck
-	}))
-	defer srv.Close()
-
-	p := New(username, password,
-		WithAPI(srv.URL),
-		WithHTTPClient(http.DefaultClient),
-	)
-
-	err := p.Send(context.Background(), &sms.Message{
-		Phone: &sms.Phone{
-			Number: number,
-		},
-		Content: &sms.Content{
-			Text: text,
-		},
-	})
-	assert.NoError(t, err)
-}
diff --git a/x/sms/null_provider.go b/x/sms/null_provider.go
deleted file mode 100644
index 76aa9597..00000000
--- a/x/sms/null_provider.go
+++ /dev/null
@@ -1,13 +0,0 @@
-package sms
-
-import "context"
-
-type NullProvider struct{}
-
-func NewNullProvider() Provider {
-	return &NullProvider{}
-}
-
-func (p *NullProvider) Send(_ context.Context, _ *Message) error {
-	return nil
-}
diff --git a/x/sms/provider.go b/x/sms/provider.go
deleted file mode 100644
index 33a4c7e5..00000000
--- a/x/sms/provider.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package sms
-
-import "context"
-
-type Provider interface {
-	Send(ctx context.Context, message *Message) error
-}
diff --git a/x/sms/sms.go b/x/sms/sms.go
deleted file mode 100644
index 3f6b5b7f..00000000
--- a/x/sms/sms.go
+++ /dev/null
@@ -1,41 +0,0 @@
-package sms
-
-import (
-	"context"
-	"errors"
-)
-
-var (
-	ErrInvalidPhone   = errors.New("sms: invalid phone")
-	ErrInvalidMessage = errors.New("sms: invalid message")
-)
-
-type Phone struct {
-	IDDCode string
-	Number  string
-}
-
-type Content struct {
-	Text      string
-	Template  string
-	Variables map[string]string
-}
-
-type Message struct {
-	Phone   *Phone
-	Content *Content
-}
-
-type Sms struct {
-	provider Provider
-}
-
-func New(provider Provider) *Sms {
-	return &Sms{
-		provider: provider,
-	}
-}
-
-func (s *Sms) Send(ctx context.Context, message *Message) error {
-	return s.provider.Send(ctx, message)
-}
diff --git a/x/sms/sms_test.go b/x/sms/sms_test.go
deleted file mode 100644
index 4cfc9656..00000000
--- a/x/sms/sms_test.go
+++ /dev/null
@@ -1,16 +0,0 @@
-package sms
-
-import (
-	"context"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestSms(t *testing.T) {
-	sms := New(NewNullProvider())
-	ctx := context.Background()
-
-	err := sms.Send(ctx, &Message{})
-	assert.NoError(t, err)
-}