diff --git a/internal/service/task.go b/internal/service/task.go
index d55f0c3..9317c72 100644
--- a/internal/service/task.go
+++ b/internal/service/task.go
@@ -9,7 +9,6 @@ import (
 	"io"
 	"net/http"
 	"strings"
-	"time"
 
 	"gitea.com/texpixel/document_ai/internal/model/task"
 	"gitea.com/texpixel/document_ai/internal/storage/dao"