diff --git a/Cargo.lock b/Cargo.lock
index 874a241..2b46e47 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -35,12 +35,6 @@ version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "cc"
 version = "1.0.83"
@@ -94,7 +88,6 @@ name = "hlmaster"
 version = "0.1.0"
 dependencies = [
  "bitflags",
- "byteorder",
  "chrono",
  "fastrand",
  "getopts",
diff --git a/Cargo.toml b/Cargo.toml
index d205725..2147485 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,6 @@ thiserror = "1.0.49"
 getopts = "0.2.21"
 log = "<0.4.19"
 bitflags = "2.4"
-byteorder = "1.4.3"
 fastrand = "2.0.1"
 
 [dependencies.chrono]
diff --git a/src/client.rs b/src/client.rs
index 6dfe6f8..1b23029 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -2,11 +2,10 @@
 // SPDX-FileCopyrightText: 2023 Denis Drakhnia <numas13@gmail.com>
 
 use std::fmt;
-use std::io::{self, Cursor};
+use std::io;
 use std::ops::Deref;
 use std::str;
 
-use byteorder::{ReadBytesExt, LE};
 use log::debug;
 use thiserror::Error;
 
@@ -57,8 +56,8 @@ impl<'a> Packet<'a> {
 
                 Ok(Self::QueryServers(region, Filter(filter)))
             }
-            [b'q', 0xff, tail @ ..] => {
-                let challenge = Cursor::new(tail).read_u32::<LE>()?;
+            [b'q', 0xff, b0, b1, b2, b3] => {
+                let challenge = u32::from_le_bytes([*b0, *b1, *b2, *b3]);
                 Ok(Self::Challenge(Some(challenge)))
             }
             [b'0', b'\n', tail @ ..] => {