diff --git a/mk/tests.mk b/mk/tests.mk
index 345fc1679b0..3317688f042 100644
--- a/mk/tests.mk
+++ b/mk/tests.mk
@@ -22,7 +22,7 @@ $(eval $(call RUST_CRATE,coretest))
 DEPS_collectionstest :=
 $(eval $(call RUST_CRATE,collectionstest))
 
-TEST_TARGET_CRATES = $(filter-out core rustc_unicode alloc_system libc \
+TEST_TARGET_CRATES = $(filter-out core std_unicode alloc_system libc \
 		     		  alloc_jemalloc panic_unwind \
 				  panic_abort,$(TARGET_CRATES)) \
 			collectionstest coretest