diff --git a/https-tls/rustls-client-cert/src/main.rs b/https-tls/rustls-client-cert/src/main.rs
index 7c6ec3bf..7c074a82 100644
--- a/https-tls/rustls-client-cert/src/main.rs
+++ b/https-tls/rustls-client-cert/src/main.rs
@@ -1,7 +1,7 @@
 //! This example shows how to use `actix_web::HttpServer::on_connect` to access client certificates
 //! pass them to a handler through connection-local data.
 
-use std::{any::Any, sync::Arc, fs::File, io::BufReader, net::SocketAddr};
+use std::{any::Any, fs::File, io::BufReader, net::SocketAddr, sync::Arc};
 
 use actix_tls::accept::rustls_0_21::{reexports::ServerConfig, TlsStream};
 use actix_web::{
diff --git a/websockets/chat-actorless/src/server.rs b/websockets/chat-actorless/src/server.rs
index 9d0f273c..bbe0d8b8 100644
--- a/websockets/chat-actorless/src/server.rs
+++ b/websockets/chat-actorless/src/server.rs
@@ -128,10 +128,7 @@ impl ChatServer {
         self.sessions.insert(id, tx);
 
         // auto join session to main room
-        self.rooms
-            .entry("main".to_owned())
-            .or_default()
-            .insert(id);
+        self.rooms.entry("main".to_owned()).or_default().insert(id);
 
         let count = self.visitor_count.fetch_add(1, Ordering::SeqCst);
         self.send_system_message("main", 0, format!("Total visitors {count}"))
@@ -185,10 +182,7 @@ impl ChatServer {
                 .await;
         }
 
-        self.rooms
-            .entry(room.clone())
-            .or_default()
-            .insert(conn_id);
+        self.rooms.entry(room.clone()).or_default().insert(conn_id);
 
         self.send_system_message(&room, conn_id, "Someone connected")
             .await;
diff --git a/websockets/chat/src/server.rs b/websockets/chat/src/server.rs
index df4e73fa..8559859a 100644
--- a/websockets/chat/src/server.rs
+++ b/websockets/chat/src/server.rs
@@ -129,10 +129,7 @@ impl Handler<Connect> for ChatServer {
         self.sessions.insert(id, msg.addr);
 
         // auto join session to main room
-        self.rooms
-            .entry("main".to_owned())
-            .or_default()
-            .insert(id);
+        self.rooms.entry("main".to_owned()).or_default().insert(id);
 
         let count = self.visitor_count.fetch_add(1, Ordering::SeqCst);
         self.send_message("main", &format!("Total visitors {count}"), 0);
@@ -211,10 +208,7 @@ impl Handler<Join> for ChatServer {
             self.send_message(&room, "Someone disconnected", 0);
         }
 
-        self.rooms
-            .entry(name.clone())
-            .or_default()
-            .insert(id);
+        self.rooms.entry(name.clone()).or_default().insert(id);
 
         self.send_message(&name, "Someone connected", id);
     }