1 files changed, 0 insertions, 2 deletions
diff --git a/io.c b/io.c
index 1d9f87eb5f..3931a4549a 100644
--- a/io.c
+++ b/io.c
@@ -2208,8 +2208,6 @@ rb_io_bufread(VALUE io, void *buf, size_t size)
     return (ssize_t)io_bufread(buf, (long)size, fptr);
 }
 
-#define SMALLBUF 100
-
 static long
 remain_size(rb_io_t *fptr)
 {