diff --git a/core/src/database/mutation/session.rs b/core/src/database/mutation/session.rs
index 6b476de..e4d11aa 100644
--- a/core/src/database/mutation/session.rs
+++ b/core/src/database/mutation/session.rs
@@ -1,5 +1,5 @@
 use chrono::{Utc, Duration, NaiveDateTime};
-use ::entity::{session, candidate};
+use ::entity::session;
 use sea_orm::{*, prelude::Uuid};
 
 use crate::Mutation;