diff --git a/src/utils/cache.js b/src/utils/cache.js
index 87cc48fa3e0..80d053d6105 100644
--- a/src/utils/cache.js
+++ b/src/utils/cache.js
@@ -1,4 +1,4 @@
-import { Vue } from '../vue'
+import { Vue, isVue3 } from '../vue'
 import { cloneDeep } from './clone-deep'
 import { looseEqual } from './loose-equal'
 import { hasOwnProperty, keys } from './object'
@@ -16,11 +16,19 @@ export const makePropWatcher = propName => ({
     }
     for (const key in oldValue) {
       if (!hasOwnProperty(newValue, key)) {
-        this.$delete(this.$data[propName], key)
+        if (isVue3) {
+          delete this.$data[propName][key]
+        } else {
+          this.$delete(this.$data[propName], key)
+        }
       }
     }
     for (const key in newValue) {
-      this.$set(this.$data[propName], key, newValue[key])
+      if (isVue3) {
+        this.$data[propName][key] = newValue[key]
+      } else {
+        this.$set(this.$data[propName], key, newValue[key])
+      }
     }
   }
 })