diff --git a/ChangeLog b/ChangeLog
index 9f756b4f09..e65a215ed9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 29 18:24:49 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* Makefile.in (distclean-local): removes Doxyfile and
+	  run.gdb at distclean'ing.
+
 Mon Dec 29 17:53:24 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* bin/erb: accepts options in more flexible styles.
diff --git a/Makefile.in b/Makefile.in
index 926b82b424..b7313dd85f 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -220,6 +220,8 @@ clean-local::
 
 distclean-local::
 	@$(RM) ext/config.cache $(RBCONFIG)
+	$(RM) Doxyfile
+	@-$(RM) run.gdb
 	-$(RM) $(INSTALLED_LIST) $(arch_hdrdir)/ruby/config.h
 	-rmdir -p $(arch_hdrdir)/ruby