diff --git a/src/cmd/clean.bash b/src/cmd/clean.bash
index 3537b835c1..14151d86d6 100644
--- a/src/cmd/clean.bash
+++ b/src/cmd/clean.bash
@@ -3,7 +3,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-for i in 6l 6a 6c 6g gc cc ar db nm acid
+for i in 6l 6a 6c 6g gc cc ar db nm blyacc acid
 do
 	cd $i
 	make clean