Index: Makefile.in
--- Makefile.in.orig	2016-04-15 15:51:26.000000000 +0200
+++ Makefile.in	2016-04-15 20:28:44.711348344 +0200
@@ -394,8 +394,8 @@
 GITLOG_TO_CHANGELOG = gitlog-to-changelog
 @BUILD_DOC_FALSE@doc = 
 @BUILD_DOC_TRUE@doc = doc
-DIST_SUBDIRS = m4 compat mpi cipher random src doc tests
-SUBDIRS = compat mpi cipher random src $(doc) tests
+DIST_SUBDIRS = m4 compat mpi cipher random src doc
+SUBDIRS = compat mpi cipher random src $(doc)
 EXTRA_DIST = autogen.sh autogen.rc README.GIT LICENSES      	           \
              ChangeLog-2011 build-aux/ChangeLog-2011 doc/ChangeLog-2011    \
              m4/ChangeLog-2011 cipher/ChangeLog-2011 src/ChangeLog-2011    \