--- Makefile.in
+++ Makefile.in
@@ -295,7 +295,7 @@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = gnu
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = doc src tests tune
+SUBDIRS = src tune
 nobase_dist_doc_DATA = AUTHORS BUGS COPYING COPYING.LESSER NEWS TODO \
   examples/ReadMe examples/divworst.c examples/rndo-add.c examples/sample.c \
   examples/version.c