diff --git a/packages/frontend/src/components/global/MkPageHeader.vue b/packages/frontend/src/components/global/MkPageHeader.vue
index 589ca92d75..4d968db6a3 100644
--- a/packages/frontend/src/components/global/MkPageHeader.vue
+++ b/packages/frontend/src/components/global/MkPageHeader.vue
@@ -96,7 +96,7 @@ function onTabClick(): void {
 }
 
 const calcBg = () => {
-	const rawBg = metadata?.bg ?? 'var(--bg)';
+	const rawBg = 'var(--bg)';
 	const tinyBg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
 	tinyBg.setAlpha(0.85);
 	bg.value = tinyBg.toRgbString();
diff --git a/packages/frontend/src/pages/settings/preferences-backups.vue b/packages/frontend/src/pages/settings/preferences-backups.vue
index 83ce0e6c07..e3cf1aefb0 100644
--- a/packages/frontend/src/pages/settings/preferences-backups.vue
+++ b/packages/frontend/src/pages/settings/preferences-backups.vue
@@ -422,7 +422,6 @@ onUnmounted(() => {
 definePageMetadata(computed(() => ({
 	title: ts.preferencesBackups,
 	icon: 'ti ti-device-floppy',
-	bg: 'var(--bg)',
 })));
 </script>
 
diff --git a/packages/frontend/src/pages/settings/statusbar.vue b/packages/frontend/src/pages/settings/statusbar.vue
index cb46858c5a..f5a090a63b 100644
--- a/packages/frontend/src/pages/settings/statusbar.vue
+++ b/packages/frontend/src/pages/settings/statusbar.vue
@@ -47,6 +47,5 @@ const headerTabs = $computed(() => []);
 definePageMetadata({
 	title: i18n.ts.statusbar,
 	icon: 'ti ti-list',
-	bg: 'var(--bg)',
 });
 </script>
diff --git a/packages/frontend/src/scripts/page-metadata.ts b/packages/frontend/src/scripts/page-metadata.ts
index 0db8369f9d..8810e26960 100644
--- a/packages/frontend/src/scripts/page-metadata.ts
+++ b/packages/frontend/src/scripts/page-metadata.ts
@@ -10,7 +10,6 @@ export type PageMetadata = {
 	icon?: string | null;
 	avatar?: misskey.entities.User | null;
 	userName?: misskey.entities.User | null;
-	bg?: string;
 };
 
 export function definePageMetadata(metadata: PageMetadata | null | Ref<PageMetadata | null> | ComputedRef<PageMetadata | null>): void {