diff --git a/docs/reference/lasso/Makefile.am b/docs/reference/lasso/Makefile.am
index 4713c3c7..ac8c5118 100644
--- a/docs/reference/lasso/Makefile.am
+++ b/docs/reference/lasso/Makefile.am
@@ -90,8 +90,6 @@ GTKDOC_LIBS= \
 	$(top_builddir)/lasso/liblasso.la \
 	$(LASSO_LIBS)
 
-EXTRA_DIST =
-
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
 include $(top_srcdir)/gtk-doc.make