1 files changed, 0 insertions, 1 deletions
diff --git a/bignum.c b/bignum.c
index 17e8f701ff..a6d68d875b 100644
--- a/bignum.c
+++ b/bignum.c
@@ -98,7 +98,6 @@ STATIC_ASSERT(sizeof_long_and_sizeof_bdigit, SIZEOF_BDIGIT % SIZEOF_LONG == 0);
     rb_absint_size(x, NULL))
 
 #define BIGDIVREM_EXTRA_WORDS 1
-#define roomof(n, m) ((long)(((n)+(m)-1) / (m)))
 #define bdigit_roomof(n) roomof(n, SIZEOF_BDIGIT)
 #define BARY_ARGS(ary) ary, numberof(ary)