diff --git a/build-aux/config.sub b/build-aux/config.sub
index 63c1f1c8..7f7d0b05 100644
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2021 Free Software Foundation, Inc.
 
-timestamp='2021-01-08'
+timestamp='2021-03-10'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -1712,7 +1712,7 @@ case $os in
 	     | bosx* | nextstep* | cxux* | aout* | elf* | oabi* \
 	     | ptx* | coff* | ecoff* | winnt* | domain* | vsta* \
 	     | udi* | lites* | ieee* | go32* | aux* | hcos* \
-	     | chorusrdb* | cegcc* | glidix* \
+	     | chorusrdb* | cegcc* | glidix* | serenity* \
 	     | cygwin* | msys* | pe* | moss* | proelf* | rtems* \
 	     | midipix* | mingw32* | mingw64* | mint* \
 	     | uxpv* | beos* | mpeix* | udk* | moxiebox* \
diff --git a/test/default/Makefile.in b/test/default/Makefile.in
index 89399e25..a3ec660a 100644
--- a/test/default/Makefile.in
+++ b/test/default/Makefile.in
@@ -931,7 +931,6 @@ EXTRA_DIST = \
 	generichash2.exp \
 	generichash3.exp \
 	hash.exp \
-	hash2.exp \
 	hash3.exp \
 	kdf.exp \
 	keygen.exp \