improve build componentization
diff --git a/releng.control/committer.properties b/releng.control/committer.properties
index c1fe08c..47e2667 100644
--- a/releng.control/committer.properties
+++ b/releng.control/committer.properties
@@ -17,5 +17,5 @@
 basews=gtk
 basearch=x86
 
-build.clean=false
+build.clean=true
 build.localpublish.dir=${build.home}/publish