diff --git a/packages/entity/trait/index.js b/packages/entity/trait/index.js
index e7839bc..8ecf893 100644
--- a/packages/entity/trait/index.js
+++ b/packages/entity/trait/index.js
@@ -25,14 +25,6 @@ export class Trait extends decorate(class {}) {
 
   destroy() {}
 
-  get isDirty() {
-    return this._isDirty;
-  }
-
-  set isDirty(isDirty) {
-    this._isDirty = isDirty;
-  }
-
   hooks() {
     return {};
   }