| diff --git b/rules.mk a/rules.mk | |
| index ccb9711..8005071 100644 | |
| --- b/rules.mk | |
| +++ a/rules.mk | |
| @@ -9,8 +9,6 @@ MODULE_SRCS := \ | |
| MODULE_RUST_EDITION := 2021 | |
| MODULE_LIBRARY_DEPS := \ | |
| - external/rust/crates/arbitrary \ | |
| - external/rust/crates/bytemuck \ | |
| trusty/user/base/lib/libcompiler_builtins-rust \ | |
| trusty/user/base/lib/libcore-rust \ | |
| external/rust/crates/serde \ |