diff --git a/Makefile.am b/Makefile.am
index 6565654..554ed17 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -100,9 +100,8 @@ LIBGMPXX_LT_CURRENT = 12
 LIBGMPXX_LT_REVISION = 3
 LIBGMPXX_LT_AGE = 4
 
-SUBDIRS = tests
 
-SUBDIRS += mpn fft mpz mpq mpf printf scanf cxx tune doc
+SUBDIRS =  mpn fft mpz mpq mpf printf scanf cxx tune
 
 EXTRA_DIST = configfsf.guess configfsf.sub .gdbinit INSTALL.autoconf