diff --git a/core/src/main/java/com/alibaba/testable/core/annotation/EnableTestableInject.java b/core/src/main/java/com/alibaba/testable/core/annotation/EnableTestableInject.java
deleted file mode 100644
index 9a19d3d..0000000
--- a/core/src/main/java/com/alibaba/testable/core/annotation/EnableTestableInject.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.alibaba.testable.core.annotation;
-
-import java.lang.annotation.*;
-
-/**
- * Make the method in this class able to be injected by testable substitution methods
- *
- * @author flin
- */
-@Retention(RetentionPolicy.RUNTIME)
-@Target(ElementType.TYPE)
-@Documented
-public @interface EnableTestableInject {
-}