diff --git a/lib/util/term.c b/lib/util/term.c
index f15172135..e1cf48449 100644
--- a/lib/util/term.c
+++ b/lib/util/term.c
@@ -92,14 +92,6 @@
 # define PENDIN		0
 #endif
 
-#ifndef _POSIX_VDISABLE
-# ifdef VDISABLE
-#  define _POSIX_VDISABLE	VDISABLE
-# else
-#  define _POSIX_VDISABLE	0
-# endif
-#endif
-
 static struct termios term, oterm;
 static int changed;