diff --git a/packages/frontend/src/components/MkFolder.vue b/packages/frontend/src/components/MkFolder.vue
index 23eeb4711..fef174fc6 100644
--- a/packages/frontend/src/components/MkFolder.vue
+++ b/packages/frontend/src/components/MkFolder.vue
@@ -41,7 +41,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<MkSpacer :marginMin="14" :marginMax="22">
 							<slot></slot>
 						</MkSpacer>
-						<div v-if="withFooter" :class="$style.footer">
+						<div v-if="$slots.footer" :class="$style.footer">
 							<slot name="footer"></slot>
 						</div>
 					</div>
@@ -59,11 +59,9 @@ import { defaultStore } from '@/store.js';
 const props = withDefaults(defineProps<{
 	defaultOpen?: boolean;
 	maxHeight?: number | null;
-	withFooter?: boolean;
 }>(), {
 	defaultOpen: false,
 	maxHeight: null,
-	withFooter: false,
 });
 
 const getBgColor = (el: HTMLElement) => {
diff --git a/packages/frontend/src/pages/admin/performance.vue b/packages/frontend/src/pages/admin/performance.vue
index 5f5b4b861..00722e2fc 100644
--- a/packages/frontend/src/pages/admin/performance.vue
+++ b/packages/frontend/src/pages/admin/performance.vue
@@ -37,7 +37,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</MkSwitch>
 				</div>
 
-				<MkFolder :defaultOpen="true" :withFooter="true">
+				<MkFolder :defaultOpen="true">
 					<template #icon><i class="ti ti-bolt"></i></template>
 					<template #label>Misskey® Fan-out Timeline Technology™ (FTT)</template>
 					<template v-if="enableFanoutTimeline" #suffix>Enabled</template>
@@ -78,7 +78,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					</div>
 				</MkFolder>
 
-				<MkFolder :defaultOpen="true" :withFooter="true">
+				<MkFolder :defaultOpen="true">
 					<template #icon><i class="ti ti-bolt"></i></template>
 					<template #label>Misskey® Reactions Boost Technology™ (RBT)<span class="_beta">{{ i18n.ts.beta }}</span></template>
 					<template v-if="enableReactionsBuffering" #suffix>Enabled</template>
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index 625908811..13ef49473 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<MkSpacer :contentMax="700" :marginMin="16" :marginMax="32">
 			<FormSuspense :p="init">
 				<div class="_gaps_m">
-					<MkFolder :defaultOpen="true" :withFooter="true">
+					<MkFolder :defaultOpen="true">
 						<template #icon><i class="ti ti-info-circle"></i></template>
 						<template #label>{{ i18n.ts.info }}</template>
 						<template #footer>
@@ -76,7 +76,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 					</MkFolder>
 
-					<MkFolder :withFooter="true">
+					<MkFolder>
 						<template #icon><i class="ti ti-user-star"></i></template>
 						<template #label>{{ i18n.ts.pinnedUsers }}</template>
 						<template #footer>
@@ -89,7 +89,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</MkTextarea>
 					</MkFolder>
 
-					<MkFolder :withFooter="true">
+					<MkFolder>
 						<template #icon><i class="ti ti-cloud"></i></template>
 						<template #label>{{ i18n.ts.files }}</template>
 						<template #footer>
@@ -111,7 +111,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 					</MkFolder>
 
-					<MkFolder :withFooter="true">
+					<MkFolder>
 						<template #icon><i class="ti ti-world-cog"></i></template>
 						<template #label>ServiceWorker</template>
 						<template #footer>
@@ -138,7 +138,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 					</MkFolder>
 
-					<MkFolder :withFooter="true">
+					<MkFolder>
 						<template #icon><i class="ti ti-ad"></i></template>
 						<template #label>{{ i18n.ts._ad.adsSettings }}</template>
 						<template #footer>
@@ -158,7 +158,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						</div>
 					</MkFolder>
 
-					<MkFolder :withFooter="true">
+					<MkFolder>
 						<template #icon><i class="ti ti-world-search"></i></template>
 						<template #label>{{ i18n.ts._urlPreviewSetting.title }}</template>
 						<template #footer>
@@ -232,6 +232,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { ref, computed } from 'vue';
+import * as Misskey from 'misskey-js';
 import XHeader from './_header_.vue';
 import MkSwitch from '@/components/MkSwitch.vue';
 import MkInput from '@/components/MkInput.vue';
@@ -247,7 +248,6 @@ import { definePageMetadata } from '@/scripts/page-metadata.js';
 import MkButton from '@/components/MkButton.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import MkSelect from '@/components/MkSelect.vue';
-import * as Misskey from 'misskey-js';
 import MkKeyValue from '@/components/MkKeyValue.vue';
 
 const proxyAccount = ref<Misskey.entities.UserDetailed | null>(null);