diff --git a/ChangeLog b/ChangeLog
index 548af4e37b64c9b5c3895b7a2b8510df08d6ad2f..bb3216d830efc456ffd511ee4b718012257971d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,8 @@
 2023-08-02  Niels Möller  <nisse@lysator.liu.se>
 
 	* aclocal.m4 (LSH_FUNC_STRERROR): Delete macro.
-	* configure.ac: Delete usage.
+	(LSH_FUNC_STRSIGNAL): Delete unused macro.
+	* configure.ac: Delete usage of LSH_FUNC_STRERROR.
 	* tools/nettle-hash.c (main): Use strerror unconditionally.
 	* tools/nettle-pbkdf2.c (main): Likewise.
 
diff --git a/aclocal.m4 b/aclocal.m4
index 08292d9d8d6bb0d5f01d395a908734599a47c1f6..fedf046cb468088bc4ad05c7b485b620117525dd 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -215,28 +215,6 @@ char *alloca ();
 #endif
 ])])
 
-AC_DEFUN([LSH_FUNC_STRSIGNAL],
-[AC_CHECK_FUNCS(strsignal)
-AC_CHECK_DECLS([sys_siglist, _sys_siglist])
-AH_BOTTOM(
-[#if HAVE_STRSIGNAL
-# define STRSIGNAL strsignal
-#else /* !HAVE_STRSIGNAL */
-# if HAVE_DECL_SYS_SIGLIST
-#  define STRSIGNAL(x) (sys_siglist[x])
-# else
-#  if HAVE_DECL__SYS_SIGLIST
-#   define STRSIGNAL(x) (_sys_siglist[x])
-#  else
-#   define STRSIGNAL(x) "Unknown signal"
-#   if __GNUC__
-#    warning Using dummy STRSIGNAL
-#   endif
-#  endif
-# endif
-#endif /* !HAVE_STRSIGNAL */
-])])
-
 dnl LSH_DEPENDENCY_TRACKING
 
 dnl Defines compiler flags DEP_FLAGS to generate dependency