diff --git a/src/server_conf/listener.rs b/src/server_conf/listener.rs
index b77f5a3..56798ff 100644
--- a/src/server_conf/listener.rs
+++ b/src/server_conf/listener.rs
@@ -3,14 +3,13 @@ use std::net::TcpStream;
 use std::os::unix::net::UnixListener;
 use std::os::unix::net::UnixStream;
 use std::io::{Error, ErrorKind};
-use std::io::prelude::*;
 
 pub const TCP_LIS : u8 = 0;
 pub const UNIX_LIS : u8 = 1;
 
-pub trait NewTrait: std::io::Read + std::io::Write + Send {}
-impl NewTrait for TcpStream {}
-impl NewTrait for UnixStream {}
+pub trait RWTrait: std::io::Read + std::io::Write + Send {}
+impl RWTrait for TcpStream {}
+impl RWTrait for UnixStream {}
 
 pub struct GenericListener {
     tcp_lis : Option<TcpListener>,
@@ -46,7 +45,7 @@ impl GenericListener {
 
 
 
-    pub fn accept(&self) -> Result<Box<dyn NewTrait>,Error> {
+    pub fn accept(&self) -> Result<Box<dyn RWTrait>,Error> {
         match self.type_lis {
             TCP_LIS => Ok(Box::new(self.tcp_lis.as_ref().unwrap().accept()?.0)),
             UNIX_LIS => Ok(Box::new(self.unix_lis.as_ref().unwrap().accept()?.0)),