diff -Naur libidn-1.33.orig/Makefile.am libidn-1.33/Makefile.am
--- libidn-1.33.orig/Makefile.am	2021-09-06 15:02:37.335225836 +0200
+++ libidn-1.33/Makefile.am	2021-09-06 15:03:12.460226448 +0200
@@ -16,8 +16,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-SUBDIRS = gl lib/gl lib po src doc gltests lib/gltests tests examples	\
-	java csharp
+SUBDIRS = gl lib/gl lib
 
 EXTRA_DIST = cfg.mk maint.mk .clcopying
 EXTRA_DIST += COPYING.LESSERv2 COPYING.LESSERv3 COPYINGv2 COPYINGv3
diff -Naur libidn-1.33.orig/cfg.mk libidn-1.33/cfg.mk
--- libidn-1.33.orig/cfg.mk	2021-09-06 15:02:37.323225836 +0200
+++ libidn-1.33/cfg.mk	2021-09-06 15:06:00.011229365 +0200
@@ -39,25 +39,6 @@
 exclude_file_name_regexp--sc_useless_cpp_parens = ^lib/nfkc.c$$
 exclude_file_name_regexp--sc_prohibit_strncpy = ^src/idn.c$$
 
-doc/Makefile.gdoc:
-	printf "gdoc_MANS =\ngdoc_TEXINFOS =\n" > doc/Makefile.gdoc
-
-autoreconf: doc/Makefile.gdoc
-	for f in po/*.po.in; do \
-		cp $$f `echo $$f | sed 's/.in//'`; \
-	done
-	touch ChangeLog
-	mv build-aux/config.rpath build-aux/config.rpath-
-	test -f ./configure || autoreconf --install
-	mv build-aux/config.rpath- build-aux/config.rpath
-
-update-po: refresh-po
-	for f in `ls po/*.po | grep -v quot.po`; do \
-		cp $$f $$f.in; \
-	done
-	git add po/*.po.in
-	git commit -m "Sync with TP." po/LINGUAS po/*.po.in
-
 bootstrap: autoreconf
 	./configure $(CFGFLAGS)