| diff --git b/rules.mk a/rules.mk | |
| index c7476cb..0257d05 100644 | |
| --- b/rules.mk | |
| +++ a/rules.mk | |
| @@ -13,9 +13,6 @@ MODULE_RUSTFLAGS += \ | |
| MODULE_LIBRARY_DEPS := \ | |
| external/rust/crates/der \ | |
| - external/rust/crates/pkcs5 \ | |
| - external/rust/crates/rand_core \ | |
| external/rust/crates/spki \ | |
| - external/rust/crates/subtle \ | |
| include make/library.mk |