diff --git a/packages/frontend/src/components/MkSubNoteContent.vue b/packages/frontend/src/components/MkSubNoteContent.vue
index c113a3aac..35e1d7655 100644
--- a/packages/frontend/src/components/MkSubNoteContent.vue
+++ b/packages/frontend/src/components/MkSubNoteContent.vue
@@ -30,7 +30,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import {onMounted, ref} from 'vue';
+import { ref } from 'vue';
 import * as Misskey from 'misskey-js';
 import MkMediaList from '@/components/MkMediaList.vue';
 import MkPoll from '@/components/MkPoll.vue';
@@ -44,13 +44,6 @@ const props = defineProps<{
 const isLong = shouldCollapsed(props.note, []);
 
 const collapsed = ref(isLong);
-
-onMounted(() => {
-	props.note.files.forEach((file) => {
-		file.isSensitive = props.note.cw !== null;
-	});
-});
-
 </script>
 
 <style lang="scss" module>