diff -urN a/Makefile.in b/Makefile.in
--- a/Makefile.in	2014-02-25 18:49:15.000000000 -0600
+++ b/Makefile.in	2014-03-07 18:26:23.074138895 -0600
@@ -317,7 +317,7 @@
 	install -m 644 $$d $(MANDIR)/man3; \
 done
 
-install_doc: install_doc_html install_doc_man
+install_doc: install_doc_man
 
 install: install_bin install_include install_lib install_doc