--- a/Makefile.in
+++ b/Makefile.in
@@ -232,7 +232,7 @@ 
 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
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -444,7 +444,7 @@
 #
 @COMBINED_THREADS_TRUE@CHICKEN_EGG = threads .
 SUBDIRS = support $(GENFFT) kernel simd-support dft rdft reodft api	\
-libbench2 $(CHICKEN_EGG) tests mpi doc tools m4
+libbench2 $(CHICKEN_EGG) mpi m4
 
 EXTRA_DIST = COPYRIGHT bootstrap.sh CONVENTIONS fftw.pc.in
 SIMD_LIBS = \