diff --git a/mk/initfs.mk b/mk/initfs.mk
index 16790db..1229218 100644
--- a/mk/initfs.mk
+++ b/mk/initfs.mk
@@ -1,5 +1,5 @@
 build/initfs.tag: initfs.toml prefix
-	cd kernel && xargo clean
+	rm -f build/libkernel.a
 	rm -rf build/initfs
 	mkdir -p build/initfs
 	export PATH="$(PREFIX_PATH):$$PATH" && \
@@ -7,7 +7,7 @@ build/initfs.tag: initfs.toml prefix
 	touch $@
 
 build/initfs_live.tag: initfs_live.toml prefix
-	cd kernel && xargo clean
+	rm -f build/libkernel_live.a
 	rm -rf build/initfs_live
 	mkdir -p build/initfs_live
 	export PATH="$(PREFIX_PATH):$$PATH" && \