1 files changed, 0 insertions, 9 deletions
diff --git a/src/io.c b/src/io.c
index 9b51ef780..cbaf523d8 100644
--- a/src/io.c
+++ b/src/io.c
@@ -354,14 +354,6 @@ fptr_finalize(mrb_state *mrb, struct mrb_io *fptr, int noraise)
 }
 
 mrb_value
-mrb_io_s_for_fd(mrb_state *mrb, mrb_value klass)
-{
-  mrb_value io = mrb_obj_value(mrb_data_object_alloc(mrb, mrb_class_ptr(klass), NULL, &mrb_io_type));
-
-  return mrb_io_initialize(mrb, io);
-}
-
-mrb_value
 mrb_io_s_sysclose(mrb_state *mrb, mrb_value klass)
 {
   mrb_int fd;
@@ -746,7 +738,6 @@ mrb_init_io(mrb_state *mrb)
   mrb_define_class_method(mrb, io, "_popen",  mrb_io_s_popen,   MRB_ARGS_ANY());
   mrb_define_class_method(mrb, io, "_sysclose",  mrb_io_s_sysclose, MRB_ARGS_REQ(1));
 #endif
-  mrb_define_class_method(mrb, io, "for_fd",  mrb_io_s_for_fd,  MRB_ARGS_REQ(1)|MRB_ARGS_OPT(2));
   mrb_define_class_method(mrb, io, "select",  mrb_io_s_select,  MRB_ARGS_ANY());
   mrb_define_class_method(mrb, io, "sysopen", mrb_io_s_sysopen, MRB_ARGS_ANY());