diff -ru yp-tools-3.3-orig/Makefile.am yp-tools-3.3/Makefile.am
--- yp-tools-3.3-orig/Makefile.am	2014-10-29 15:28:02.000000000 +0100
+++ yp-tools-3.3/Makefile.am	2014-12-10 18:47:11.864137423 +0100
@@ -5,7 +5,7 @@
 #
 AUTOMAKE_OPTIONS = 1.5 gnits dist-bzip2
 #
-SUBDIRS = lib src nss_nis6 po man etc
+SUBDIRS = lib src po man etc
 
 CLEANFILES = *~
 
diff -ru yp-tools-3.3-orig/Makefile.in yp-tools-3.3/Makefile.in
--- yp-tools-3.3-orig/Makefile.in	2014-12-05 12:44:37.000000000 +0100
+++ yp-tools-3.3/Makefile.in	2014-12-10 18:16:20.996550012 +0100
@@ -382,7 +382,7 @@
 #
 AUTOMAKE_OPTIONS = 1.5 gnits dist-bzip2
 #
-SUBDIRS = lib src nss_nis6 po man etc
+SUBDIRS = lib src po man etc
 CLEANFILES = *~
 ACLOCAL_AMFLAGS = -I m4
 M4_FILES = m4/getline.m4