1 files changed, 0 insertions, 2 deletions
diff --git a/array.c b/array.c
index ae1f8c1fff..345a60bfc6 100644
--- a/array.c
+++ b/array.c
@@ -24,8 +24,6 @@
 #endif
 #include <assert.h>
 
-#define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
-
 VALUE rb_cArray;
 
 static ID id_cmp, id_div, id_power;