diff --git b/rules.mk a/rules.mk
index abb2410..95c1743 100644
--- b/rules.mk
+++ a/rules.mk
@@ -13,9 +13,4 @@ MODULE_RUSTFLAGS += \
 	--cfg 'feature="race"' \
 	--cfg 'feature="std"' \
 
-MODULE_LIBRARY_DEPS := \
-	external/rust/crates/atomic_polyfill \
-	external/rust/crates/critical_section \
-	external/rust/crates/parking_lot_core \
-
 include make/library.mk