1diff --git b/rules.mk a/rules.mk
2index 0f6f56e..3443250 100644
3--- b/rules.mk
4+++ a/rules.mk
5@@ -12,6 +12,5 @@ MODULE_RUSTFLAGS += \
6 	--cfg 'feature="db"' \
7
8 MODULE_LIBRARY_DEPS := \
9-	external/rust/crates/arbitrary \
10
11 include make/library.mk
12