diff --git a/tools/Makefile-top.in b/tools/Makefile-top.in
index fe282808..cf59f7a1 100644
--- a/tools/Makefile-top.in
+++ b/tools/Makefile-top.in
@@ -15,5 +15,6 @@ clean:
 
 distclean: clean
 	$(MAKE) -C doc distclean
-	rm -rf $(objdir)
+	rm -rf $(objdir) autom4te.cache
 	rm -f config.* configure sysdep/autoconf.h sysdep/paths.h Makefile
+