diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index 7230920db2..57c5441bbe 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -49,7 +49,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div v-if="appearNote.channel" :class="$style.colorBar" :style="{ background: appearNote.channel.color }"></div>
 		<MkAvatar :class="$style.avatar" :user="appearNote.user" :link="!mock" :preview="!mock"/>
 		<div :class="$style.main">
-			<MkNoteHeader :note="appearNote" :mock="mock" :mini="true"/>
+			<MkNoteHeader :note="appearNote" :mini="true"/>
 			<MkInstanceTicker v-if="showTicker" :instance="appearNote.user.instance"/>
 			<div style="container-type: inline-size;">
 				<p v-if="appearNote.cw != null" :class="$style.cw">
@@ -84,7 +84,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</div>
 				<MkA v-if="appearNote.channel && !inChannel" :class="$style.channel" :to="`/channels/${appearNote.channel.id}`"><i class="ti ti-device-tv"></i> {{ appearNote.channel.name }}</MkA>
 			</div>
-			<MkReactionsViewer v-show="appearNote.cw == null || showContent" :note="appearNote" :maxNumber="16" :mock="mock" @mockUpdateMyReaction="emitUpdReaction">
+			<MkReactionsViewer v-show="appearNote.cw == null || showContent" :note="appearNote" :maxNumber="16" @mockUpdateMyReaction="emitUpdReaction">
 				<template #more>
 					<div :class="$style.reactionOmitted">{{ i18n.ts.more }}</div>
 				</template>
@@ -136,7 +136,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { computed, inject, onMounted, ref, shallowRef, Ref, defineAsyncComponent, watch } from 'vue';
+import { computed, inject, onMounted, ref, shallowRef, Ref, defineAsyncComponent, watch, provide } from 'vue';
 import * as mfm from 'mfm-js';
 import * as Misskey from 'misskey-js';
 import MkNoteSub from '@/components/MkNoteSub.vue';
@@ -178,6 +178,8 @@ const props = withDefaults(defineProps<{
 	mock: false,
 });
 
+provide('mock', props.mock);
+
 const emit = defineEmits<{
 	(ev: 'reaction', emoji: string): void;
 	(ev: 'removeReaction', emoji: string): void;
diff --git a/packages/frontend/src/components/MkNoteHeader.vue b/packages/frontend/src/components/MkNoteHeader.vue
index a903c87c12..b2236b99c2 100644
--- a/packages/frontend/src/components/MkNoteHeader.vue
+++ b/packages/frontend/src/components/MkNoteHeader.vue
@@ -35,7 +35,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { } from 'vue';
+import { inject } from 'vue';
 import * as Misskey from 'misskey-js';
 import { i18n } from '@/i18n.js';
 import { notePage } from '@/filters/note.js';
@@ -43,8 +43,9 @@ import { userPage } from '@/filters/user.js';
 
 defineProps<{
 	note: Misskey.entities.Note;
-	mock?: boolean;
 }>();
+
+const mock = inject<boolean>('mock', false);
 </script>
 
 <style lang="scss" module>
diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 492306f5d9..e3d5cde463 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -71,7 +71,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div v-if="maxTextLength - textLength < 100" :class="['_acrylic', $style.textCount, { [$style.textOver]: textLength > maxTextLength }]">{{ maxTextLength - textLength }}</div>
 	</div>
 	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
-	<XPostFormAttaches v-model="files" :mock="mock" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
+	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
 	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
 	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text" :user="postAccount ?? $i"/>
 	<div v-if="showingOptions" style="padding: 8px 16px;">
@@ -150,6 +150,8 @@ const props = withDefaults(defineProps<{
 	mock: false,
 });
 
+provide('mock', props.mock);
+
 const emit = defineEmits<{
 	(ev: 'posted'): void;
 	(ev: 'cancel'): void;
diff --git a/packages/frontend/src/components/MkPostFormAttaches.vue b/packages/frontend/src/components/MkPostFormAttaches.vue
index ea62262551..6931b093de 100644
--- a/packages/frontend/src/components/MkPostFormAttaches.vue
+++ b/packages/frontend/src/components/MkPostFormAttaches.vue
@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { defineAsyncComponent } from 'vue';
+import { defineAsyncComponent, inject } from 'vue';
 import * as Misskey from 'misskey-js';
 import MkDriveFileThumbnail from '@/components/MkDriveFileThumbnail.vue';
 import * as os from '@/os.js';
@@ -31,9 +31,10 @@ const Sortable = defineAsyncComponent(() => import('vuedraggable').then(x => x.d
 const props = defineProps<{
 	modelValue: any[];
 	detachMediaFn?: (id: string) => void;
-	mock?: boolean;
 }>();
 
+const mock = inject<boolean>('mock', false);
+
 const emit = defineEmits<{
 	(ev: 'update:modelValue', value: any[]): void;
 	(ev: 'detach', id: string): void;
diff --git a/packages/frontend/src/components/MkReactionsViewer.reaction.vue b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
index 4c97899739..a560308e12 100644
--- a/packages/frontend/src/components/MkReactionsViewer.reaction.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
@@ -17,7 +17,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
-import { computed, onMounted, shallowRef, watch } from 'vue';
+import { computed, inject, onMounted, shallowRef, watch } from 'vue';
 import * as Misskey from 'misskey-js';
 import XDetails from '@/components/MkReactionsViewer.details.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
@@ -34,9 +34,10 @@ const props = defineProps<{
 	count: number;
 	isInitial: boolean;
 	note: Misskey.entities.Note;
-	mock?: boolean;
 }>();
 
+const mock = inject<boolean>('mock', false);
+
 const emit = defineEmits<{
 	(ev: 'reactionToggled', emoji: string, newCount: number): void;
 }>();
diff --git a/packages/frontend/src/components/MkReactionsViewer.vue b/packages/frontend/src/components/MkReactionsViewer.vue
index 2c982ff063..dcea6a82c2 100644
--- a/packages/frontend/src/components/MkReactionsViewer.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.vue
@@ -12,7 +12,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	:moveClass="defaultStore.state.animation ? $style.transition_x_move : ''"
 	tag="div" :class="$style.root"
 >
-	<XReaction v-for="[reaction, count] in reactions" :key="reaction" :reaction="reaction" :count="count" :isInitial="initialReactions.has(reaction)" :note="note" :mock="mock" @reactionToggled="onMockToggleReaction"/>
+	<XReaction v-for="[reaction, count] in reactions" :key="reaction" :reaction="reaction" :count="count" :isInitial="initialReactions.has(reaction)" :note="note" @reactionToggled="onMockToggleReaction"/>
 	<slot v-if="hasMoreReactions" name="more"/>
 </TransitionGroup>
 </template>
@@ -26,10 +26,8 @@ import { defaultStore } from '@/store.js';
 const props = withDefaults(defineProps<{
 	note: Misskey.entities.Note;
 	maxNumber?: number;
-	mock?: boolean;
 }>(), {
 	maxNumber: Infinity,
-	mock: false,
 });
 
 const emit = defineEmits<{