1 files changed, 0 insertions, 18 deletions
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
deleted file mode 100644
index 9c77f9bd0..000000000
--- a/gl/m4/unistd_h.m4
+++ /dev/null
@@ -1,18 +0,0 @@
-# unistd_h.m4 serial 2
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl Written by Simon Josefsson
-
-AC_DEFUN([gl_HEADER_UNISTD],
-[
-  dnl Prerequisites of lib/unistd.h.
-  AC_CHECK_HEADERS([unistd.h], [
-    UNISTD_H=''
-  ], [
-    UNISTD_H='unistd.h'
-  ])
-  AC_SUBST(UNISTD_H)
-])