diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 8a643a852cab..72657d7461da 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -25,17 +25,6 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<option value="desktop"><i class="ti ti-device-desktop"/> {{ i18n.ts.desktop }}</option>
 	</MkRadios>
 
-	<FormSection>
-		<div class="_gaps_s">
-			<MkFolder>
-				<template #label>{{ i18n.ts.pinnedList }}</template>
-				<!-- 複数ピン止め管理できるようにしたいけどめんどいので一旦ひとつのみ -->
-				<MkButton v-if="defaultStore.reactiveState.pinnedUserLists.value.length === 0" @click="setPinnedList()">{{ i18n.ts.add }}</MkButton>
-				<MkButton v-else danger @click="removePinnedList()"><i class="ti ti-trash"></i> {{ i18n.ts.remove }}</MkButton>
-			</MkFolder>
-		</div>
-	</FormSection>
-
 	<FormSection>
 		<template #label>{{ i18n.ts.displayOfNote }}</template>
 
diff --git a/packages/frontend/src/pages/settings/preferences-backups.vue b/packages/frontend/src/pages/settings/preferences-backups.vue
index 22b8ac4ed4a2..0052865755af 100644
--- a/packages/frontend/src/pages/settings/preferences-backups.vue
+++ b/packages/frontend/src/pages/settings/preferences-backups.vue
@@ -61,6 +61,7 @@ const defaultStoreSaveKeys: (keyof typeof defaultStore['state'])[] = [
 	'widgets',
 	'tl',
 	'pinnedUserLists',
+	'timelineTabs',
 	'overridedDeviceKind',
 	'serverDisconnectedBehavior',
 	'nsfw',
diff --git a/packages/frontend/src/pages/settings/timeline.vue b/packages/frontend/src/pages/settings/timeline.vue
index 3430941d388d..8f52c5ffd271 100644
--- a/packages/frontend/src/pages/settings/timeline.vue
+++ b/packages/frontend/src/pages/settings/timeline.vue
@@ -29,7 +29,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 					<template #item="{element, index}">
 						<div :class="$style.tlTabsDragItem">
 							<button v-if="!tlTabsEditMode" class="_button" :class="$style.dragItemHandle" tabindex="-1"><i class="ti ti-menu"></i></button>
-							<button v-if="tlTabsEditMode" class="_button" :class="$style.dragItemRemove" @click="deleteTlTab(index)"><i class="ti ti-x"></i></button>
+							<button v-if="tlTabsEditMode" :disabled="tlTabs.length < 2" class="_button" :class="$style.dragItemRemove" @click="deleteTlTab(index)"><i class="ti ti-x"></i></button>
 							<div :class="$style.tlTabsDragItemTlIcon">
 								<i :class="element.icon"></i>
 							</div>
@@ -215,6 +215,11 @@ definePageMetadata(() => ({
 	&:active {
 		cursor: pointer;
 	}
+
+	&[disabled] {
+		cursor: not-allowed;
+		opacity: .7;
+	}
 }
 
 .dragItemForm {