diff --git a/include/mruby/value.h b/include/mruby/value.h
index d3a41cefd..a1f41f226 100644
--- a/include/mruby/value.h
+++ b/include/mruby/value.h
@@ -359,8 +359,6 @@ mrb_obj_value(void *p)
 {
   mrb_value v;
   SET_OBJ_VALUE(v, (struct RBasic*)p);
-  mrb_assert(p == mrb_ptr(v));
-  mrb_assert(((struct RBasic*)p)->tt == mrb_type(v));
   return v;
 }