--- a/Makefile.am
+++ b/Makefile.am
@@ -18,7 +18,7 @@
 ACLOCAL_AMFLAGS = -I m4 -I gl/m4
 
 EXTRA_DIST = configure TODO LICENSE gl/m4/gnulib-cache.m4
-SUBDIRS = gl src doc tests
+SUBDIRS = gl src
 
 gengetoptdoc_DATA = ChangeLog COPYING NEWS THANKS INSTALL README LICENSE
 
--- a/Makefile.in
+++ b/Makefile.in
@@ -593,7 +593,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 ACLOCAL_AMFLAGS = -I m4 -I gl/m4
 EXTRA_DIST = configure TODO LICENSE gl/m4/gnulib-cache.m4
-SUBDIRS = gl src doc tests
+SUBDIRS = gl src
 gengetoptdoc_DATA = ChangeLog COPYING NEWS THANKS INSTALL README LICENSE
 TARBALL = $(top_builddir)/gengetopt-$(PACKAGE_VERSION).tar.xz
 all: config.h
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -16,7 +16,7 @@
 # with gengetopt; see the file COPYING. If not, write to the Free Software 
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 
-SUBDIRS = skels tests
+SUBDIRS = skels
 
 bin_PROGRAMS = gengetopt