--- a/Makefile.in
+++ b/Makefile.in
@@ -241,7 +241,7 @@
 CTAGS = ctags
 CSCOPE = cscope
 DIST_SUBDIRS = support genfft kernel simd-support dft rdft reodft api \
-	libbench2 . threads tests mpi doc tools m4
+	libbench2 . threads mpi doc tools m4
 am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/config.h.in \
 	$(srcdir)/fftw.pc.in AUTHORS COPYING ChangeLog INSTALL NEWS \
 	README TODO compile config.guess config.sub install-sh \
@@ -470,7 +470,7 @@
 # tools are available, such as fig2dev in maintainer mode)
 @BUILD_DOC_TRUE@DOCDIR = doc
 SUBDIRS = support $(GENFFT) kernel simd-support dft rdft reodft api	\
-libbench2 $(CHICKEN_EGG) tests mpi $(DOCDIR) tools m4
+libbench2 $(CHICKEN_EGG) mpi m4
 
 EXTRA_DIST = COPYRIGHT bootstrap.sh CONVENTIONS fftw.pc.in
 SIMD_LIBS = \