diff --git a/packages/reactive-dict/migration.js b/packages/reactive-dict/migration.js
index eb2b27a057..2f7ccb3b9f 100644
--- a/packages/reactive-dict/migration.js
+++ b/packages/reactive-dict/migration.js
@@ -4,8 +4,11 @@ ReactiveDict._migratedDictData = {}; // name -> data
 ReactiveDict._dictsToMigrate = {}; // name -> ReactiveDict
 
 ReactiveDict._loadMigratedDict = function (dictName) {
-  if (_.has(ReactiveDict._migratedDictData, dictName))
-    return ReactiveDict._migratedDictData[dictName];
+  if (_.has(ReactiveDict._migratedDictData, dictName)) {
+    const data = ReactiveDict._migratedDictData[dictName];
+    delete ReactiveDict._migratedDictData[dictName];
+    return data;
+  }
 
   return null;
 };
diff --git a/packages/reactive-dict/reactive-dict.js b/packages/reactive-dict/reactive-dict.js
index d1c60d5acb..96c306e43c 100644
--- a/packages/reactive-dict/reactive-dict.js
+++ b/packages/reactive-dict/reactive-dict.js
@@ -210,6 +210,13 @@ export class ReactiveDict {
     }
     return didRemove;
   }
+  
+  destroy() {
+    this.clear();
+    if (this.name && _.has(ReactiveDict._dictsToMigrate, this.name)) {
+      delete ReactiveDict._dictsToMigrate[this.name];
+    }
+  }
 
   _setObject(object) {
     _.each(object, (value, key) => {