diff --git a/src/controller.rs b/src/controller.rs
index cf9ef8f..6336ac7 100644
--- a/src/controller.rs
+++ b/src/controller.rs
@@ -1,12 +1,8 @@
-use std::ops::Sub;
-use std::sync::Arc;
-use std::time::{Duration, SystemTime};
+use std::time::Duration;
 
-use chrono::{DateTime, Utc};
 use eyre::WrapErr;
 use futures_ticker::Ticker;
 use futures_util::StreamExt;
-use libp2p::PeerId;
 use sqlx::SqlitePool;
 use tokio::select;
 use tokio::sync::{mpsc, oneshot, Semaphore};