diff --git a/cocos/core/data/class.ts b/cocos/core/data/class.ts
index 275a5f057f..46051661e6 100644
--- a/cocos/core/data/class.ts
+++ b/cocos/core/data/class.ts
@@ -195,8 +195,8 @@ function define (className, baseClass, options): any {
                 renderName = 'render_stage';
             }
             // 增加了 hidden: 开头标识，使它最终不会显示在 Editor inspector 的添加组件列表里
-            if (globalThis.EditorExtends) {
-                globalThis.EditorExtends.Component.addMenu(cls, `hidden:${renderName}/${className}`, -1);
+            if (window.EditorExtends) {
+                window.EditorExtends.Component.addMenu(cls, `hidden:${renderName}/${className}`, -1);
             }
         }
 
@@ -204,13 +204,7 @@ function define (className, baseClass, options): any {
         // cc-class is defined by `cc.Class({/* ... */})`.
         // In such case, `options.ctor` may be `undefined`.
         // So we can not use `options.ctor`. Instead, we should use `cls` which is the "real" registered cc-class.
-        // Emit via globalThis.EditorExtends to ensure the event reaches
-        // both the engine-internal and the scene-bundle event systems.
-        if (globalThis.EditorExtends) {
-            globalThis.EditorExtends.emit('class-registered', cls, frame, className);
-        } else {
-            EditorExtends.emit('class-registered', cls, frame, className);
-        }
+        EditorExtends.emit('class-registered', cls, frame, className);
     }
 
     if (frame) {