diff --git a/admin/auth.go b/admin/auth.go
index 9d7a49b46..9d4de4407 100644
--- a/admin/auth.go
+++ b/admin/auth.go
@@ -17,9 +17,10 @@
 package admin
 
 import (
-	"connectrpc.com/connect"
 	"context"
 
+	"connectrpc.com/connect"
+
 	"github.com/yorkie-team/yorkie/api/types"
 	"github.com/yorkie-team/yorkie/internal/version"
 )
diff --git a/admin/client.go b/admin/client.go
index 0d422f80d..9225170fa 100644
--- a/admin/client.go
+++ b/admin/client.go
@@ -18,19 +18,18 @@
 package admin
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"fmt"
-	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
-	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"net/http"
 	"strings"
 
+	"connectrpc.com/connect"
 	"go.uber.org/zap"
-	"google.golang.org/grpc/metadata"
 
 	"github.com/yorkie-team/yorkie/api/converter"
 	"github.com/yorkie-team/yorkie/api/types"
+	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
+	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"github.com/yorkie-team/yorkie/pkg/document"
 	"github.com/yorkie-team/yorkie/pkg/document/key"
 )
@@ -276,13 +275,13 @@ func (c *Client) RemoveDocument(
 	apiKey := project.PublicKey
 
 	_, err = c.client.RemoveDocumentByAdmin(
-		withShardKey(ctx, apiKey, documentKey),
-		connect.NewRequest(&api.RemoveDocumentByAdminRequest{
+		ctx,
+		withShardKey(connect.NewRequest(&api.RemoveDocumentByAdminRequest{
 			ProjectName: projectName,
 			DocumentKey: documentKey,
 			Force:       force,
 		},
-		))
+		), apiKey, documentKey))
 	return err
 }
 
@@ -358,10 +357,9 @@ func (c *Client) ListChangeSummaries(
 /**
  * withShardKey returns a context with the given shard key in metadata.
  */
-func withShardKey(ctx context.Context, keys ...string) context.Context {
-	return metadata.AppendToOutgoingContext(
-		ctx,
-		types.APIKeyKey, keys[0],
-		types.ShardKey, strings.Join(keys, "/"),
-	)
+func withShardKey[T any](conn *connect.Request[T], keys ...string) *connect.Request[T] {
+	conn.Header().Add(types.APIKeyKey, keys[0])
+	conn.Header().Add(types.ShardKey, strings.Join(keys, "/"))
+
+	return conn
 }
diff --git a/api/converter/from_bytes.go b/api/converter/from_bytes.go
index 9b505d6fd..8e3e41abd 100644
--- a/api/converter/from_bytes.go
+++ b/api/converter/from_bytes.go
@@ -19,6 +19,7 @@ package converter
 import (
 	"errors"
 	"fmt"
+
 	"google.golang.org/protobuf/proto"
 
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
diff --git a/api/converter/from_pb.go b/api/converter/from_pb.go
index e90138d42..d1716f8e9 100644
--- a/api/converter/from_pb.go
+++ b/api/converter/from_pb.go
@@ -18,6 +18,7 @@ package converter
 
 import (
 	"fmt"
+
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
 	"github.com/yorkie-team/yorkie/pkg/document/change"
diff --git a/api/converter/to_bytes.go b/api/converter/to_bytes.go
index 345c83779..7913279d1 100644
--- a/api/converter/to_bytes.go
+++ b/api/converter/to_bytes.go
@@ -18,9 +18,10 @@ package converter
 
 import (
 	"fmt"
-	"google.golang.org/protobuf/proto"
 	"reflect"
 
+	"google.golang.org/protobuf/proto"
+
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
 	"github.com/yorkie-team/yorkie/pkg/document/crdt"
 	"github.com/yorkie-team/yorkie/pkg/document/innerpresence"
diff --git a/api/converter/to_pb.go b/api/converter/to_pb.go
index f30c31b30..c8da5e106 100644
--- a/api/converter/to_pb.go
+++ b/api/converter/to_pb.go
@@ -18,9 +18,10 @@ package converter
 
 import (
 	"fmt"
+	"reflect"
+
 	"google.golang.org/protobuf/types/known/timestamppb"
 	"google.golang.org/protobuf/types/known/wrapperspb"
-	"reflect"
 
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
diff --git a/api/yorkie/v1/admin.pb.go b/api/yorkie/v1/admin.pb.go
index 7ff402031..1c0f261ef 100644
--- a/api/yorkie/v1/admin.pb.go
+++ b/api/yorkie/v1/admin.pb.go
@@ -22,10 +22,11 @@
 package v1
 
 import (
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 )
 
 const (
diff --git a/api/yorkie/v1/resources.pb.go b/api/yorkie/v1/resources.pb.go
index 66671cb14..19a52a39a 100644
--- a/api/yorkie/v1/resources.pb.go
+++ b/api/yorkie/v1/resources.pb.go
@@ -22,12 +22,13 @@
 package v1
 
 import (
+	reflect "reflect"
+	sync "sync"
+
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	wrapperspb "google.golang.org/protobuf/types/known/wrapperspb"
-	reflect "reflect"
-	sync "sync"
 )
 
 const (
diff --git a/api/yorkie/v1/v1connect/admin.connect.go b/api/yorkie/v1/v1connect/admin.connect.go
index d78294f72..b2e0036b2 100644
--- a/api/yorkie/v1/v1connect/admin.connect.go
+++ b/api/yorkie/v1/v1connect/admin.connect.go
@@ -20,12 +20,14 @@
 package v1connect
 
 import (
-	connect "connectrpc.com/connect"
 	context "context"
 	errors "errors"
-	v1 "github.com/yorkie-team/yorkie/api/yorkie/v1"
 	http "net/http"
 	strings "strings"
+
+	connect "connectrpc.com/connect"
+
+	v1 "github.com/yorkie-team/yorkie/api/yorkie/v1"
 )
 
 // This is a compile-time assertion to ensure that this generated file and the connect package are
diff --git a/api/yorkie/v1/v1connect/yorkie.connect.go b/api/yorkie/v1/v1connect/yorkie.connect.go
index 79f4d2636..b399cbe3a 100644
--- a/api/yorkie/v1/v1connect/yorkie.connect.go
+++ b/api/yorkie/v1/v1connect/yorkie.connect.go
@@ -20,12 +20,14 @@
 package v1connect
 
 import (
-	connect "connectrpc.com/connect"
 	context "context"
 	errors "errors"
-	v1 "github.com/yorkie-team/yorkie/api/yorkie/v1"
 	http "net/http"
 	strings "strings"
+
+	connect "connectrpc.com/connect"
+
+	v1 "github.com/yorkie-team/yorkie/api/yorkie/v1"
 )
 
 // This is a compile-time assertion to ensure that this generated file and the connect package are
diff --git a/api/yorkie/v1/yorkie.pb.go b/api/yorkie/v1/yorkie.pb.go
index 0a49dba9f..4614d6595 100644
--- a/api/yorkie/v1/yorkie.pb.go
+++ b/api/yorkie/v1/yorkie.pb.go
@@ -22,10 +22,11 @@
 package v1
 
 import (
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 )
 
 const (
diff --git a/client/auth.go b/client/auth.go
index 7712c4e0f..0d62ad240 100644
--- a/client/auth.go
+++ b/client/auth.go
@@ -17,9 +17,10 @@
 package client
 
 import (
-	"connectrpc.com/connect"
 	"context"
 
+	"connectrpc.com/connect"
+
 	"github.com/yorkie-team/yorkie/api/types"
 	"github.com/yorkie-team/yorkie/internal/version"
 )
diff --git a/client/client.go b/client/client.go
index 2a911be0f..0f1ed612b 100644
--- a/client/client.go
+++ b/client/client.go
@@ -19,24 +19,20 @@
 package client
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"errors"
 	"fmt"
-	"github.com/rs/xid"
-	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
-	"go.uber.org/zap"
 	"net/http"
 	"strings"
 
-	//"google.golang.org/grpc"
-	//"google.golang.org/grpc/credentials"
-	//"google.golang.org/grpc/credentials/insecure"
-	//"google.golang.org/grpc/metadata"
+	"connectrpc.com/connect"
+	"github.com/rs/xid"
+	"go.uber.org/zap"
 
 	"github.com/yorkie-team/yorkie/api/converter"
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
+	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"github.com/yorkie-team/yorkie/pkg/document"
 	"github.com/yorkie-team/yorkie/pkg/document/innerpresence"
 	"github.com/yorkie-team/yorkie/pkg/document/json"
@@ -731,5 +727,6 @@ func (c *Client) broadcast(ctx context.Context, doc *document.Document, topic st
  */
 func withShardKey[T any](conn *connect.Request[T], keys ...string) *connect.Request[T] {
 	conn.Header().Add(types.ShardKey, strings.Join(keys, "/"))
+
 	return conn
 }
diff --git a/client/client_test.go b/client/client_test.go
index f26071aac..7d689a160 100644
--- a/client/client_test.go
+++ b/client/client_test.go
@@ -1,4 +1,4 @@
-//TODO(Krapie) go:build amd64
+//go:build amd64
 
 /*
  * Copyright 2021 The Yorkie Authors. All rights reserved.
@@ -19,19 +19,21 @@
 package client_test
 
 import (
-	"connectrpc.com/connect"
 	"context"
-	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"net/http"
 	"net/http/httptest"
 	"reflect"
 	"testing"
 
+	"connectrpc.com/connect"
+
 	"github.com/rs/xid"
 	"github.com/stretchr/testify/assert"
 	monkey "github.com/undefinedlabs/go-mpatch"
+
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
+	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"github.com/yorkie-team/yorkie/client"
 )
 
diff --git a/server/backend/database/change_info.go b/server/backend/database/change_info.go
index 238243cae..52526cd1c 100644
--- a/server/backend/database/change_info.go
+++ b/server/backend/database/change_info.go
@@ -20,6 +20,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+
 	"google.golang.org/protobuf/proto"
 
 	"github.com/yorkie-team/yorkie/api/converter"
diff --git a/server/packs/serverpacks.go b/server/packs/serverpacks.go
index cdf4bba37..e77152bb6 100644
--- a/server/packs/serverpacks.go
+++ b/server/packs/serverpacks.go
@@ -17,6 +17,8 @@
 package packs
 
 import (
+	"google.golang.org/protobuf/proto"
+
 	"github.com/yorkie-team/yorkie/api/converter"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
 	"github.com/yorkie-team/yorkie/pkg/document/change"
@@ -24,7 +26,6 @@ import (
 	"github.com/yorkie-team/yorkie/pkg/document/key"
 	"github.com/yorkie-team/yorkie/pkg/document/time"
 	"github.com/yorkie-team/yorkie/server/backend/database"
-	"google.golang.org/protobuf/proto"
 )
 
 // ServerPack is similar to change.Pack, but has ChangeInfos instead of Changes
diff --git a/server/profiling/prometheus/metrics.go b/server/profiling/prometheus/metrics.go
index 798ca4351..dafdea31d 100644
--- a/server/profiling/prometheus/metrics.go
+++ b/server/profiling/prometheus/metrics.go
@@ -52,7 +52,7 @@ var (
 type Metrics struct {
 	registry      *prometheus.Registry
 	serverMetrics *grpcprometheus.ServerMetrics
-	
+
 	serverVersion *prometheus.GaugeVec
 
 	pushPullResponseSeconds         prometheus.Histogram
diff --git a/server/rpc/admin_server.go b/server/rpc/admin_server.go
index 738aa8372..98f9a7bd7 100644
--- a/server/rpc/admin_server.go
+++ b/server/rpc/admin_server.go
@@ -17,10 +17,11 @@
 package rpc
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"fmt"
 
+	"connectrpc.com/connect"
+
 	"github.com/yorkie-team/yorkie/api/converter"
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
diff --git a/server/rpc/connecthelper/logging.go b/server/rpc/connecthelper/logging.go
index ccf87faf9..a66a4d538 100644
--- a/server/rpc/connecthelper/logging.go
+++ b/server/rpc/connecthelper/logging.go
@@ -18,11 +18,13 @@
 package connecthelper
 
 import (
-	"connectrpc.com/connect"
 	"context"
-	"github.com/yorkie-team/yorkie/server/logging"
 	"strconv"
 	"sync/atomic"
+
+	"connectrpc.com/connect"
+
+	"github.com/yorkie-team/yorkie/server/logging"
 )
 
 type reqID int32
diff --git a/server/rpc/connecthelper/status.go b/server/rpc/connecthelper/status.go
index 0b2fd2410..d9fcec650 100644
--- a/server/rpc/connecthelper/status.go
+++ b/server/rpc/connecthelper/status.go
@@ -17,9 +17,10 @@
 package connecthelper
 
 import (
-	"connectrpc.com/connect"
 	"errors"
 	"fmt"
+
+	"connectrpc.com/connect"
 	"google.golang.org/genproto/googleapis/rpc/errdetails"
 	"google.golang.org/protobuf/runtime/protoiface"
 
diff --git a/server/rpc/interceptors/admin_auth.go b/server/rpc/interceptors/admin_auth.go
index df05abdb4..4c1dcb6a6 100644
--- a/server/rpc/interceptors/admin_auth.go
+++ b/server/rpc/interceptors/admin_auth.go
@@ -17,11 +17,12 @@
 package interceptors
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"net/http"
 	"strings"
 
+	"connectrpc.com/connect"
+
 	"google.golang.org/grpc/codes"
 	grpcstatus "google.golang.org/grpc/status"
 
diff --git a/server/rpc/interceptors/context.go b/server/rpc/interceptors/context.go
index 4aa74a029..4d40476da 100644
--- a/server/rpc/interceptors/context.go
+++ b/server/rpc/interceptors/context.go
@@ -18,13 +18,15 @@
 package interceptors
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"errors"
-	"github.com/yorkie-team/yorkie/server/rpc/connecthelper"
 	"net/http"
 	"strings"
 
+	"connectrpc.com/connect"
+
+	"github.com/yorkie-team/yorkie/server/rpc/connecthelper"
+
 	"github.com/yorkie-team/yorkie/api/types"
 	"github.com/yorkie-team/yorkie/pkg/cache"
 	"github.com/yorkie-team/yorkie/server/backend"
diff --git a/server/rpc/interceptors/default.go b/server/rpc/interceptors/default.go
index 5333b05dd..2d521e2cb 100644
--- a/server/rpc/interceptors/default.go
+++ b/server/rpc/interceptors/default.go
@@ -17,12 +17,14 @@
 package interceptors
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"errors"
-	"github.com/yorkie-team/yorkie/server/rpc/connecthelper"
 	gotime "time"
 
+	"connectrpc.com/connect"
+
+	"github.com/yorkie-team/yorkie/server/rpc/connecthelper"
+
 	"github.com/yorkie-team/yorkie/server/logging"
 )
 
diff --git a/server/rpc/server.go b/server/rpc/server.go
index 7acbd2dc0..3f4aaeae0 100644
--- a/server/rpc/server.go
+++ b/server/rpc/server.go
@@ -19,20 +19,22 @@
 package rpc
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"fmt"
+	"net/http"
+	"time"
+
+	"connectrpc.com/connect"
 	"github.com/rs/cors"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
+
 	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"github.com/yorkie-team/yorkie/server/backend"
 	"github.com/yorkie-team/yorkie/server/logging"
 	"github.com/yorkie-team/yorkie/server/rpc/auth"
 	"github.com/yorkie-team/yorkie/server/rpc/connecthelper"
 	"github.com/yorkie-team/yorkie/server/rpc/interceptors"
-	"golang.org/x/net/http2"
-	"golang.org/x/net/http2/h2c"
-	"net/http"
-	"time"
 )
 
 // Server is a normal server that processes the logic requested by the client.
diff --git a/server/rpc/server_test.go b/server/rpc/server_test.go
index 16ad312a4..d5cb04eeb 100644
--- a/server/rpc/server_test.go
+++ b/server/rpc/server_test.go
@@ -17,20 +17,21 @@
 package rpc_test
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"encoding/hex"
 	"fmt"
-	"github.com/stretchr/testify/assert"
-	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
-	"google.golang.org/protobuf/types/known/wrapperspb"
 	"log"
 	"net/http"
 	"os"
 	"testing"
 
+	"connectrpc.com/connect"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/protobuf/types/known/wrapperspb"
+
 	"github.com/yorkie-team/yorkie/admin"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
+	"github.com/yorkie-team/yorkie/api/yorkie/v1/v1connect"
 	"github.com/yorkie-team/yorkie/client"
 	"github.com/yorkie-team/yorkie/server/backend"
 	"github.com/yorkie-team/yorkie/server/backend/database"
@@ -120,7 +121,11 @@ func TestMain(m *testing.M) {
 	//dialOptions = append(dialOptions, grpc.WithTransportCredentials(insecure.NewCredentials()))
 
 	conn := http.DefaultClient
-	testClient = v1connect.NewYorkieServiceClient(conn, "http://"+testRPCAddr, connect.WithInterceptors(authInterceptor))
+	testClient = v1connect.NewYorkieServiceClient(
+		conn,
+		"http://"+testRPCAddr,
+		connect.WithInterceptors(authInterceptor),
+	)
 
 	//credentials := grpc.WithTransportCredentials(insecure.NewCredentials())
 	//dialOptions = []grpc.DialOption{credentials}
@@ -130,7 +135,11 @@ func TestMain(m *testing.M) {
 	//dialOptions = append(dialOptions, grpc.WithStreamInterceptor(testAdminAuthInterceptor.Stream()))
 
 	adminConn := http.DefaultClient
-	testAdminClient = v1connect.NewAdminServiceClient(adminConn, "http://"+testRPCAddr, connect.WithInterceptors(testAdminAuthInterceptor))
+	testAdminClient = v1connect.NewAdminServiceClient(
+		adminConn,
+		"http://"+testRPCAddr,
+		connect.WithInterceptors(testAdminAuthInterceptor),
+	)
 
 	code := m.Run()
 
diff --git a/server/rpc/yorkie_server.go b/server/rpc/yorkie_server.go
index b0aecfc42..7f925f891 100644
--- a/server/rpc/yorkie_server.go
+++ b/server/rpc/yorkie_server.go
@@ -17,9 +17,11 @@
 package rpc
 
 import (
-	"connectrpc.com/connect"
 	"context"
 	"fmt"
+
+	"connectrpc.com/connect"
+
 	"github.com/yorkie-team/yorkie/api/converter"
 	"github.com/yorkie-team/yorkie/api/types"
 	api "github.com/yorkie-team/yorkie/api/yorkie/v1"
diff --git a/test/bench/push_pull_bench_test.go b/test/bench/push_pull_bench_test.go
index cab46ea8d..1dd6cc927 100644
--- a/test/bench/push_pull_bench_test.go
+++ b/test/bench/push_pull_bench_test.go
@@ -25,6 +25,7 @@ import (
 	gotime "time"
 
 	"github.com/stretchr/testify/assert"
+
 	"github.com/yorkie-team/yorkie/api/converter"
 	"github.com/yorkie-team/yorkie/api/types"
 	"github.com/yorkie-team/yorkie/pkg/document"