diff --git a/doc/ref/Makefile.am b/doc/ref/Makefile.am
index 463905b25..0275c115c 100644
--- a/doc/ref/Makefile.am
+++ b/doc/ref/Makefile.am
@@ -55,3 +55,5 @@ guile_toc.html: guile.texi $(guile_TEXINFOS)
 	$(TEXI2HTML) -split_chapter guile.texi
 
 endif
+
+CLEANFILES = autoconf-macros.texi