diff --git a/test/vue3/fixture/diagnostics/propTypeValidation/ParentRight.vue b/test/vue3/fixture/diagnostics/propTypeValidation/ParentRight.vue
index 0363767150..27b33c4c90 100644
--- a/test/vue3/fixture/diagnostics/propTypeValidation/ParentRight.vue
+++ b/test/vue3/fixture/diagnostics/propTypeValidation/ParentRight.vue
@@ -4,7 +4,7 @@
 </template>
 
 <script lang="ts">
-import { computed, defineComponent, reactive, ref } from "vue";
+import { computed, defineComponent, reactive } from "vue";
 import JSChild from "./JSChild.vue";
 import TSChild from "./TSChild.vue";
 
@@ -29,4 +29,4 @@ export default defineComponent({
     };
   }
 });
-</script>
\ No newline at end of file
+</script>