diff --git a/Cargo.lock b/Cargo.lock
index e4e9750..ddf4cc1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -416,7 +416,7 @@ dependencies = [
 [[package]]
 name = "embassy-sync"
 version = "0.5.0"
-source = "git+https://github.com/embassy-rs/embassy.git?rev=4b4777e#4b4777e6bb813dbde3f8ec05ff81cadbcb41bee0"
+source = "git+https://github.com/embassy-rs/embassy.git?rev=4b4777#4b4777e6bb813dbde3f8ec05ff81cadbcb41bee0"
 dependencies = [
  "cfg-if",
  "critical-section",
@@ -801,7 +801,7 @@ dependencies = [
  "const-decoder",
  "embassy-executor",
  "embassy-net",
- "embassy-sync 0.5.0 (git+https://github.com/embassy-rs/embassy.git?rev=4b4777e)",
+ "embassy-sync 0.5.0 (git+https://github.com/embassy-rs/embassy.git?rev=4b4777)",
  "embassy-time",
  "embedded-io-async",
  "embedded-tls",
diff --git a/Cargo.toml b/Cargo.toml
index c43692e..2ef1773 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,13 +4,17 @@ version = "0.1.0"
 edition = "2021"
 authors = [ "Marvin Drescher <m@sparv.in>" ]
 
+[[bin]]
+name = "esp"
+path = "src/main.rs"
+test = false
+bench = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 const-decoder = "0.3.0"
 embassy-executor = { version = "0.5.0", features = ["nightly", "integrated-timers", "arch-riscv32", "executor-thread"] }
 embassy-net = { version = "0.4.0", features = ["dhcpv4", "dhcpv4-hostname", "dns", "medium-ip", "proto-ipv4", "proto-ipv6", "tcp", "udp"] }
-embassy-sync = { git = "https://github.com/embassy-rs/embassy.git", rev = "4b4777e" }
+embassy-sync = { git = "https://github.com/embassy-rs/embassy.git", rev = "4b4777" }
 embassy-time = { version = "0.3.0" }
 embedded-io-async = "0.6.1"
 embedded-tls = { version = "0.17.0", default-features = false, features = ["embedded-io-adapters"] }
diff --git a/src/main.rs b/src/main.rs
index 2468c2b..852f52e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,7 @@
 #![feature(trait_alias)]
 #![feature(generic_arg_infer)]
 extern crate alloc;
-use core::mem::{self, MaybeUninit};
+use core::mem::{MaybeUninit};
 
 use alloc::borrow::Cow;
 use alloc::boxed::Box;
@@ -26,17 +26,16 @@ use esp_backtrace as _;
 use esp_hal::adc::{AdcPin, Attenuation, ADC};
 use esp_hal::clock::CpuClock;
 use esp_hal::gpio::{
-    Analog, AnalogPin, AnyPin, GpioPin, OpenDrain, Output, OutputSignal, PushPull,
+    Analog, AnyPin, GpioPin, Output, PushPull,
 };
-use esp_hal::peripherals::{Peripherals, ADC1, ADC2, TIMG0};
+use esp_hal::peripherals::{Peripherals, ADC1};
 use esp_hal::systimer::SystemTimer;
 use esp_hal::{adc::AdcConfig, clock::ClockControl};
 use esp_hal::{embassy, prelude::*, rmt, Rmt, Rng, Rtc, IO};
 use esp_hal_smartled::SmartLedsAdapter;
 use esp_hal_smartled::*;
 use esp_println::logger::init_logger;
-use esp_println::println;
-use esp_wifi::wifi::{get_random, ClientConfiguration, Configuration};
+use esp_wifi::wifi::{ClientConfiguration, Configuration};
 use esp_wifi::wifi::{WifiController, WifiDevice, WifiEvent, WifiStaDevice, WifiState};
 use esp_wifi::{initialize as initialize_wifi, EspWifiInitFor};
 use log::{debug, error, info, trace};
@@ -211,7 +210,7 @@ fn main() -> ! {
     let mut timer_group0 = esp_hal::timer::TimerGroup::new(peripherals.TIMG0, &clocks);
     let timer_group1 = esp_hal::timer::TimerGroup::new(peripherals.TIMG1, &clocks);
     {
-        let mut wdt0 = &mut timer_group0.wdt;
+        let wdt0 = &mut timer_group0.wdt;
         let mut wdt1 = timer_group1.wdt;
 
         // Disable watchdog timers
diff --git a/src/mqtt.rs b/src/mqtt.rs
index 61e0ab5..b7ad187 100644
--- a/src/mqtt.rs
+++ b/src/mqtt.rs
@@ -5,14 +5,12 @@ use embassy_net::{dns::Error as DnsError, tcp::ConnectError};
 use embassy_time::{with_timeout, Duration, Instant, TimeoutError, Timer};
 use embedded_tls::{Aes128GcmSha256, NoVerify, TlsConfig, TlsConnection, TlsContext, TlsError};
 use esp_backtrace as _;
-use esp_println::println;
-use log::{debug, error, info, trace};
+use log::{debug, error, info};
 use rand::rngs::StdRng;
 use rand::{CryptoRng, RngCore, SeedableRng};
 use rust_mqtt::client::client::MqttClient;
 use rust_mqtt::client::client_config::ClientConfig;
 use rust_mqtt::packet::v5::reason_codes::ReasonCode;
-use rust_mqtt::tests;
 use rust_mqtt::utils::rng_generator::CountingRng;
 
 use crate::{NetworkStack, DATA, HAS_IP_ADDRESS};
@@ -75,12 +73,12 @@ const MQTT_SERVER_PORT: u16 = 1883;
 
 pub async fn send_message(
     stack: NetworkStack,
-    mut messages: impl Iterator<Item = (&str, &[u8])>,
-    mut rng: impl CryptoRng + RngCore,
+    messages: impl Iterator<Item = (&str, &[u8])>,
+    rng: impl CryptoRng + RngCore,
 ) -> core::result::Result<(), SendError> {
     async fn inner(
         stack: NetworkStack,
-        mut messages: impl Iterator<Item = (&str, &[u8])>,
+        messages: impl Iterator<Item = (&str, &[u8])>,
         mut rng: impl CryptoRng + RngCore,
     ) -> core::result::Result<(), SendError> {
         let begin = Instant::now();
@@ -126,7 +124,7 @@ pub async fn send_message(
         let mut tls_write_record_buffer = [0; TLS_BUF_LEN];
 
         #[cfg(feature = "tls")]
-        let mut tls = {
+        let tls = {
             let config = TlsConfig::new();
             let mut tls = TlsConnection::new(
                 socket,
@@ -140,7 +138,7 @@ pub async fn send_message(
             tls
         };
         #[cfg(feature = "tls")]
-        let mut mqtt_backend = tls;
+        let mqtt_backend = tls;
         #[cfg(not(feature = "tls"))]
         let mut mqtt_backend = socket;
         let after_tls = Instant::now();