diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index f1ef7593b7..c8b75cdf8c 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -9,7 +9,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	v-show="!isDeleted"
 	ref="rootEl"
 	v-hotkey="keymap"
-	:class="[$style.root, { [$style.showActionsOnlyHover]: prefer.s.showNoteActionsOnlyHover, [$style.skipRender]: prefer.s.skipNoteRender || prefer.s.enableRenderingOptimization }]"
+	:class="[$style.root, { [$style.showActionsOnlyHover]: prefer.s.showNoteActionsOnlyHover, [$style.skipRender]: prefer.s.skipNoteRender }]"
 	:tabindex="isDeleted ? '-1' : '0'"
 >
 	<div v-if="appearNote.reply && inReplyToCollapsed && !isRenote" :class="$style.collapsedInReplyTo">
diff --git a/packages/frontend/src/pages/settings/pari.vue b/packages/frontend/src/pages/settings/pari.vue
index d0a36d5000..a56eebd2d6 100644
--- a/packages/frontend/src/pages/settings/pari.vue
+++ b/packages/frontend/src/pages/settings/pari.vue
@@ -12,9 +12,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<div class="_gaps_m">
 			<div class="label">{{ i18n.ts.pariPlusSystemSettings }}</div>
 			<div class="_gaps_s">
-				<MkPreferenceContainer k="enableRenderingOptimization">
-					<MkSwitch v-model="enableRenderingOptimization">{{ i18n.ts.enableRenderingOptimization }}</MkSwitch>
-				</MkPreferenceContainer>
 			</div>
 		</div>
 	</FormSection>
@@ -142,8 +139,6 @@ function saveFontSize() {
 	fontSizeNumberOld.value = fontSizeNumber.value;
 }
 
-const enableRenderingOptimization = prefer.model('enableRenderingOptimization');
-
 const enableTranslateButton = prefer.model('enableTranslateButton');
 const showDetailTimeWhenHover = prefer.model('showDetailTimeWhenHover');
 const noteClickToOpen = prefer.model('noteClickToOpen');
diff --git a/packages/frontend/src/preferences/def.ts b/packages/frontend/src/preferences/def.ts
index 0ed03ac04a..d3fcb18263 100644
--- a/packages/frontend/src/preferences/def.ts
+++ b/packages/frontend/src/preferences/def.ts
@@ -402,9 +402,6 @@ export const PREF_DEF = {
 	defaultLike: {
 		default: '❤️',
 	},
-	enableRenderingOptimization: {
-		default: true,
-	},
 	enableTranslateButton: {
 		default: false,
 	},
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 423f0c4a78..64d6570216 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -467,10 +467,6 @@ export const store = markRaw(new Pizzax('base', {
 		where: 'device',
 		default: { type: 'syuilo/bubble2', volume: 1 },
 	},
-	enableRenderingOptimization: {
-		where: 'device',
-		default: true,
-	},
 	enableTranslateButton: {
 		where: 'device',
 		default: false,