diff --git a/packages/frontend/src/pages/settings/preferences-backups.vue b/packages/frontend/src/pages/settings/preferences-backups.vue
index 3e91f44509bf..9c10279426c6 100644
--- a/packages/frontend/src/pages/settings/preferences-backups.vue
+++ b/packages/frontend/src/pages/settings/preferences-backups.vue
@@ -60,7 +60,6 @@ const defaultStoreSaveKeys: (keyof typeof defaultStore['state'])[] = [
 	'localOnly',
 	'widgets',
 	'tl',
-	'pinnedUserLists',
 	'timelineTabs',
 	'overridedDeviceKind',
 	'serverDisconnectedBehavior',
diff --git a/packages/frontend/src/pages/timeline.vue b/packages/frontend/src/pages/timeline.vue
index 184045ebe7f6..1949ccdbb793 100644
--- a/packages/frontend/src/pages/timeline.vue
+++ b/packages/frontend/src/pages/timeline.vue
@@ -202,12 +202,6 @@ async function chooseChannel(ev: MouseEvent): Promise<void> {
 
 function saveSrc(newSrc: TimelinePageSrc): void {
 	const out = deepMerge({ src: newSrc }, defaultStore.state.tl);
-
-	if (newSrc.startsWith('userList:')) {
-		const id = newSrc.substring('userList:'.length);
-		out.userList = defaultStore.reactiveState.pinnedUserLists.value.find(l => l.id === id) ?? null;
-	}
-
 	defaultStore.set('tl', out);
 }
 
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index c9f227fd3a77..80b30df9f5c4 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -136,7 +136,6 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'deviceAccount',
 		default: {
 			src: 'home' as 'home' | 'local' | 'social' | 'global' | `list:${string}`,
-			userList: null as UserList | null,
 			filter: {
 				withReplies: true,
 				withRenotes: true,
@@ -145,10 +144,6 @@ export const defaultStore = markRaw(new Storage('base', {
 			},
 		},
 	},
-	pinnedUserLists: {
-		where: 'deviceAccount',
-		default: [] as UserList[],
-	},
 	timelineTabs: {
 		where: 'deviceAccount',
 		default: [