diff --git a/services/appflowy-collaborate/src/application.rs b/services/appflowy-collaborate/src/application.rs
index aad42797..fd670fe8 100644
--- a/services/appflowy-collaborate/src/application.rs
+++ b/services/appflowy-collaborate/src/application.rs
@@ -14,7 +14,7 @@ use database::collab::cache::CollabCache;
 use secrecy::ExposeSecret;
 use sqlx::postgres::PgPoolOptions;
 use sqlx::PgPool;
-use tracing::{info, warn};
+use tracing::info;
 
 use crate::actix_ws::server::RealtimeServerActor;
 use crate::collab::access_control::CollabStorageAccessControlImpl;
diff --git a/services/appflowy-collaborate/src/rt_server.rs b/services/appflowy-collaborate/src/rt_server.rs
index 1cd75b0d..789d8c0a 100644
--- a/services/appflowy-collaborate/src/rt_server.rs
+++ b/services/appflowy-collaborate/src/rt_server.rs
@@ -123,7 +123,6 @@ where
     let group_manager = self.group_manager.clone();
     let connect_state = self.connect_state.clone();
     let metrics_calculate = self.metrics.clone();
-    let storage = self.storage.clone();
 
     Box::pin(async move {
       if let Some(old_user) = connect_state.handle_user_connect(connected_user, new_client_router) {
@@ -151,7 +150,6 @@ where
     let group_manager = self.group_manager.clone();
     let connect_state = self.connect_state.clone();
     let metrics_calculate = self.metrics.clone();
-    let storage = self.storage.clone();
 
     Box::pin(async move {
       trace!("[realtime]: disconnect => {}", disconnect_user);