diff --git a/handler/questionnaire.go b/handler/questionnaire.go
index 647c67bb..c8db5526 100644
--- a/handler/questionnaire.go
+++ b/handler/questionnaire.go
@@ -3,7 +3,6 @@ package handler
 import (
 	"fmt"
 	"net/http"
-	"time"
 
 	"github.com/labstack/echo/v4"
 	"github.com/traPtitech/anke-to/controller"