diff --git a/Makefile.am b/Makefile.am
index 8c05275..f27b232 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@
 AUTOMAKE_OPTIONS = 1.5 gnu no-dependencies
 ACLOCAL_AMFLAGS = -I m4 -I gnulib-m4
 
-SUBDIRS = doc gnulib-local lib tests
+SUBDIRS = gnulib-local lib
 
 EXTRA_DIST = \
   version.sh BUGS DEPENDENCIES HACKING JOIN-GNU \