diff --git a/addon/mixin.js b/addon/mixin.js
index 2908c546735d262efca3f4e50a32587a3ae27c04..1aa9cd7975434bb193ed7e8d053df97c2e877124 100644
--- a/addon/mixin.js
+++ b/addon/mixin.js
@@ -1,6 +1,6 @@
 /* eslint-disable ember/no-get */
 /* eslint-disable ember/no-new-mixins */
-import Ember from 'ember';
+import { meta } from '@ember/-internals/meta';
 import Mixin from '@ember/object/mixin';
 import { isArray } from '@ember/array';
 import { readOnly } from '@ember/object/computed';
@@ -12,20 +12,20 @@ import {
   notifyPropertyChange,
 } from '@ember/object';
 
-import { gte, lte } from 'ember-compatibility-helpers';
+// import { gte, lte } from 'ember-compatibility-helpers';
 
 import { aliasMethod, empty } from './helpers';
 
-const { meta } = Ember; // eslint-disable-line ember/new-module-imports
+// const { meta } = Ember; // eslint-disable-line ember/new-module-imports
 const hasOwnProp = Object.prototype.hasOwnProperty;
 
 function monkeyPatchedNotifyPropertyChange(context, key) {
-  if (gte('3.13.0') && lte('3.19.0')) {
-    let content = get(context, 'content');
-    notifyPropertyChange(content, key);
-  } else {
+  // if (gte('3.13.0') && lte('3.19.0')) {
+  //   let content = get(context, 'content');
+  //   notifyPropertyChange(content, key);
+  // } else {
     notifyPropertyChange(context, key);
-  }
+  // }
 }
 
 export default Mixin.create({