diff --git a/infra/traq/group.go b/infra/traq/group.go
index 9b05945c..21c3b126 100644
--- a/infra/traq/group.go
+++ b/infra/traq/group.go
@@ -11,7 +11,7 @@ import (
 
 func (repo *TraQRepository) GetGroup(groupID uuid.UUID) (*traq.UserGroup, error) {
 	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, repo.ServerAccessToken)
-	apiClient := traq.NewAPIClient(traqAPIConfig)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	// TODO: 一定期間キャッシュする
 	group, resp, err := apiClient.GroupApi.GetUserGroup(ctx, groupID.String()).Execute()
 	if err != nil {
@@ -26,7 +26,7 @@ func (repo *TraQRepository) GetGroup(groupID uuid.UUID) (*traq.UserGroup, error)
 
 func (repo *TraQRepository) GetAllGroups() ([]traq.UserGroup, error) {
 	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, repo.ServerAccessToken)
-	apiClient := traq.NewAPIClient(traqAPIConfig)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	// TODO: 一定期間キャッシュする
 	groups, resp, err := apiClient.GroupApi.GetUserGroups(ctx).Execute()
 	if err != nil {
@@ -40,8 +40,8 @@ func (repo *TraQRepository) GetAllGroups() ([]traq.UserGroup, error) {
 }
 
 func (repo *TraQRepository) GetUserBelongingGroupIDs(token *oauth2.Token, userID uuid.UUID) ([]uuid.UUID, error) {
-	ctx := context.TODO()
-	apiClient := NewOauth2APIClient(ctx, token)
+	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, token.AccessToken)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	user, resp, err := apiClient.UserApi.GetUser(ctx, userID.String()).Execute()
 	if err != nil {
 		return nil, err
diff --git a/infra/traq/traq.go b/infra/traq/traq.go
index 7c5a6405..ab5bc5b4 100644
--- a/infra/traq/traq.go
+++ b/infra/traq/traq.go
@@ -7,7 +7,6 @@ import (
 	"errors"
 	"net/url"
 
-	"github.com/traPtitech/go-traq"
 	"github.com/traPtitech/knoQ/utils/random"
 	"golang.org/x/oauth2"
 )
@@ -19,19 +18,6 @@ type TraQRepository struct {
 	ServerAccessToken string
 }
 
-var TraQDefaultConfig = &oauth2.Config{
-	ClientID:     "something",
-	ClientSecret: "any",
-	RedirectURL:  "foo",
-	Scopes:       []string{"read", "write", "manage_bot"},
-	Endpoint: oauth2.Endpoint{
-		AuthURL:  "https://q.trap.jp/api/v3/oauth2/authorize",
-		TokenURL: "https://q.trap.jp/api/v3/oauth2/token",
-	},
-}
-
-var traqAPIConfig = traq.NewConfiguration()
-
 func newPKCE() (pkceOptions []oauth2.AuthCodeOption, codeVerifier string) {
 	codeVerifier = random.AlphaNumeric(43, true)
 	result := sha256.Sum256([]byte(codeVerifier))
@@ -66,11 +52,3 @@ func (repo *TraQRepository) GetOAuthToken(query, state, codeVerifier string) (*o
 	option := oauth2.SetAuthURLParam("code_verifier", codeVerifier)
 	return repo.Config.Exchange(ctx, code, option)
 }
-
-func NewOauth2APIClient(ctx context.Context, token *oauth2.Token) *traq.APIClient {
-	traqconf := traqAPIConfig
-	conf := TraQDefaultConfig
-	traqconf.HTTPClient = conf.Client(ctx, token)
-	apiClient := traq.NewAPIClient(traqconf)
-	return apiClient
-}
diff --git a/infra/traq/user.go b/infra/traq/user.go
index f8c87e0f..1bd4ff9a 100644
--- a/infra/traq/user.go
+++ b/infra/traq/user.go
@@ -10,7 +10,7 @@ import (
 
 func (repo *TraQRepository) GetUser(userID uuid.UUID) (*traq.User, error) {
 	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, repo.ServerAccessToken)
-	apiClient := traq.NewAPIClient(traqAPIConfig)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	// TODO: 一定期間キャッシュする
 	userDetail, resp, err := apiClient.UserApi.GetUser(ctx, userID.String()).Execute()
 	if err != nil {
@@ -34,7 +34,7 @@ func (repo *TraQRepository) GetUser(userID uuid.UUID) (*traq.User, error) {
 
 func (repo *TraQRepository) GetUsers(includeSuspended bool) ([]traq.User, error) {
 	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, repo.ServerAccessToken)
-	apiClient := traq.NewAPIClient(traqAPIConfig)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	// TODO: 一定期間キャッシュする
 	users, resp, err := apiClient.UserApi.GetUsers(ctx).IncludeSuspended(includeSuspended).Execute()
 	if err != nil {
@@ -48,8 +48,8 @@ func (repo *TraQRepository) GetUsers(includeSuspended bool) ([]traq.User, error)
 }
 
 func (repo *TraQRepository) GetUserMe(token *oauth2.Token) (*traq.User, error) {
-	ctx := context.TODO()
-	apiClient := NewOauth2APIClient(ctx, token)
+	ctx := context.WithValue(context.TODO(), traq.ContextAccessToken, token.AccessToken)
+	apiClient := traq.NewAPIClient(traq.NewConfiguration())
 	userDetail, resp, err := apiClient.MeApi.GetMe(ctx).Execute()
 	if err != nil {
 		return nil, err