diff --git a/Cargo.lock b/Cargo.lock
index 59d8e73..5d41b9b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -549,7 +549,6 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 name = "ectool"
 version = "0.1.0"
 dependencies = [
- "bytemuck",
  "clap",
  "color-eyre",
  "crosec",
diff --git a/crosec/src/lib.rs b/crosec/src/lib.rs
index 4cf0ea6..35432f4 100644
--- a/crosec/src/lib.rs
+++ b/crosec/src/lib.rs
@@ -1,3 +1,5 @@
+#![warn(unused_crate_dependencies)]
+
 use nix::errno::Errno;
 use num_derive::FromPrimitive;
 use thiserror::Error;
diff --git a/ectool/Cargo.toml b/ectool/Cargo.toml
index 7dd242e..4089e54 100644
--- a/ectool/Cargo.toml
+++ b/ectool/Cargo.toml
@@ -11,5 +11,4 @@ crosec = { version = "0.1.0", path = "../crosec", features = ["clap"] }
 color-eyre = "0.6.2"
 clap = { version = "4.5.4", features = ["derive"] }
 num-traits = "0.2.19"
-bytemuck = "1.16.0"
 image = "0.25.1"
diff --git a/ectool/src/main.rs b/ectool/src/main.rs
index 9615699..fd18481 100644
--- a/ectool/src/main.rs
+++ b/ectool/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(unused_crate_dependencies)]
+
 use std::fs::File;
 
 use charge_control_subcommand::{charge_control_subcommand, ChargeControlSubcommand};