diff --git a/src/etc.c b/src/etc.c
index 477a78ebc..c7e8391cf 100644
--- a/src/etc.c
+++ b/src/etc.c
@@ -18,13 +18,6 @@
 #define TRUE    1
 #endif
 
-void
-ruby_xfree(void *x)
-{
-  //if (x)
-  //    vm_xfree(&mrb_objspace, x);
-}
-
 struct RData*
 mrb_data_object_alloc(mrb_state *mrb, struct RClass *klass, void *ptr, const struct mrb_data_type *type)
 {