diff --git a/doc/design/refactorization.md b/doc/design/refactorization.md
index ad801ca421ca31c84b0a6b0a18d1d625c87e0de5..ffcc069ccd879f910a7b86d075075dfb8ad9fb66 100644
--- a/doc/design/refactorization.md
+++ b/doc/design/refactorization.md
@@ -177,8 +177,6 @@ REGISTER_OP(op_type, op_class, op_maker_class, grad_op_type, grad_op_class)
 REGISTER_OP_WITHOUT_GRADIENT(op_type, op_class, op_maker_class)
 ```
 
-### `USE` Macros
-make sure the registration process is executed and linked.
 
 ---
 # Register Process
@@ -188,7 +186,7 @@ make sure the registration process is executed and linked.
 	1. call maker class to complete `proto` and `checker`
 	2. with the completed `proto` and `checker`, build a new key-value pair in the `OpInfoMap`
 
-4. Invoke `USE` macro in where the Op is used to make sure it is linked.
+
 
 ---
 # Backward Module (1/2)