diff --git a/script/build/release/src b/script/build/release/src
index 2dc6a6cf..20876837 100755
--- a/script/build/release/src
+++ b/script/build/release/src
@@ -167,6 +167,7 @@ purge_files()
 	rm -Rf .git .gitignore */.git* coreboot/*/3rdparty/*/.git* \
 	    coreboot/*/util/nvidia/cbootimage/.git* || \
 	    err "purge_files rm-rf2: can't purge .git files/directories"
+	rm -Rf cbutils || err "purge_files: can't remove ${srcdir}/cbutils/"
 	)
 }