clean more files
diff --git a/Makefile b/Makefile
index 95fb3b5..7e37ed4 100644
--- a/Makefile
+++ b/Makefile
@@ -450,9 +450,10 @@
-o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f
distclean: clean
- - rm -f scripts/bb_mkdep
- - rm -r -f include/config $(DEP_INCLUDES)
- - find . -name .depend'*' | xargs rm -f
+ rm -f scripts/bb_mkdep scripts/usage
+ rm -r -f include/config include/_usage.h include/config.h $(DEP_INCLUDES)
+ find . -name .depend'*' -print0 | xargs -0 rm -f
+ rm -f .hdepend
rm -f .config .config.old .config.cmd
release: distclean #doc