Remove unused Z_ARG macro.
diff --git a/zconf.h b/zconf.h
index fb76ffe..9baa952 100644
--- a/zconf.h
+++ b/zconf.h
@@ -300,14 +300,6 @@
# endif
#endif
-#ifndef Z_ARG /* function prototypes for stdarg */
-# if defined(STDC) || defined(Z_HAVE_STDARG_H)
-# define Z_ARG(args) args
-# else
-# define Z_ARG(args) ()
-# endif
-#endif
-
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
diff --git a/zconf.h.cmakein b/zconf.h.cmakein
index 310c439..51558ce 100644
--- a/zconf.h.cmakein
+++ b/zconf.h.cmakein
@@ -302,14 +302,6 @@
# endif
#endif
-#ifndef Z_ARG /* function prototypes for stdarg */
-# if defined(STDC) || defined(Z_HAVE_STDARG_H)
-# define Z_ARG(args) args
-# else
-# define Z_ARG(args) ()
-# endif
-#endif
-
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
diff --git a/zconf.h.in b/zconf.h.in
index fb76ffe..9baa952 100644
--- a/zconf.h.in
+++ b/zconf.h.in
@@ -300,14 +300,6 @@
# endif
#endif
-#ifndef Z_ARG /* function prototypes for stdarg */
-# if defined(STDC) || defined(Z_HAVE_STDARG_H)
-# define Z_ARG(args) args
-# else
-# define Z_ARG(args) ()
-# endif
-#endif
-
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
