diff --git a/backend/internal/service/grok_oauth_service.go b/backend/internal/service/grok_oauth_service.go
index 49e77bcfd..92f393796 100644
--- a/backend/internal/service/grok_oauth_service.go
+++ b/backend/internal/service/grok_oauth_service.go
@@ -3,8 +3,6 @@ package service
 import (
 	"context"
 	"crypto/subtle"
-	"encoding/base64"
-	"encoding/json"
 	"errors"
 	"net/http"
 	"strings"