1 files changed, 0 insertions, 2 deletions
diff --git a/Src/zsh.h b/Src/zsh.h
index 3db3aa3d4..8fea197f7 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -163,8 +163,6 @@ struct mathfunc {
  */
 #define Nularg		((char) 0x9c)
 
-#define INULL(x)	((x) >= Snull && (x) <= Nularg)
-
 /*
  * Take care to update the use of IMETA appropriately when adding
  * tokens here.