diff --git a/src/channel.rs b/src/channel.rs
index ccc10e9..689d928 100644
--- a/src/channel.rs
+++ b/src/channel.rs
@@ -5,7 +5,6 @@ use std::io::{BufRead, BufReader, BufWriter, Write};
 use std::net::{TcpStream, ToSocketAddrs};
 
 const DEFAULT_SONIC_PROTOCOL_VERSION: usize = 1;
-const MAX_LINE_BUFFER_SIZE: usize = 20000;
 const UNINITIALIZED_MODE_MAX_BUFFER_SIZE: usize = 200;
 
 macro_rules! init_commands {
diff --git a/src/lib.rs b/src/lib.rs
index 9ff9d34..b0e6382 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -72,7 +72,6 @@
 //! [sonic]: https://github.com/valeriansaliou/sonic
 
 // Rustc lints.
-#![allow(dead_code)]
 #![deny(
     missing_debug_implementations,
     unsafe_code,