diff --git a/packages/actionsheet/index.js b/packages/actionsheet/index.js
index 88fe03fc..d3f68a79 100644
--- a/packages/actionsheet/index.js
+++ b/packages/actionsheet/index.js
@@ -1,6 +1,4 @@
 Component({
-  externalClasses: ['mask-class', 'container-class'],
-
   properties: {
     show: Boolean,
     title: String,