diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 64f25e2ba0..2f409eb190 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -523,10 +523,9 @@ export default define(meta, paramDef, async (ps, me) => {
 			github: instance.enableGithubIntegration,
 			discord: instance.enableDiscordIntegration,
 			serviceWorker: instance.enableServiceWorker,
+			postEditing: instance.experimentalFeatures?.postEditing || false,
 			miauth: true,
 		};
-
-		response.experimentalFeatures = instance.experimentalFeatures;
 	}
 
 	return response;
diff --git a/packages/calckey-js/src/entities.ts b/packages/calckey-js/src/entities.ts
index 7ecfba649b..5a581a54cd 100644
--- a/packages/calckey-js/src/entities.ts
+++ b/packages/calckey-js/src/entities.ts
@@ -304,7 +304,6 @@ export type LiteInstanceMetadata = {
 		url: string;
 		imageUrl: string;
 	}[];
-	experimentalFeatures?: Record<string, any>;
 };
 
 export type DetailedInstanceMetadata = LiteInstanceMetadata & {
diff --git a/packages/client/src/instance.ts b/packages/client/src/instance.ts
index ad83528e1b..3381684a03 100644
--- a/packages/client/src/instance.ts
+++ b/packages/client/src/instance.ts
@@ -8,7 +8,7 @@ const instanceData = localStorage.getItem("instance");
 
 // TODO: instanceをリアクティブにするかは再考の余地あり
 
-export const instance: Misskey.entities.InstanceMetadata = reactive(
+export const instance: Misskey.entities.DetailedInstanceMetadata = reactive(
 	instanceData
 		? JSON.parse(instanceData)
 		: {
@@ -18,7 +18,7 @@ export const instance: Misskey.entities.InstanceMetadata = reactive(
 
 export async function fetchInstance() {
 	const meta = await api("meta", {
-		detail: false,
+		detail: true,
 	});
 
 	for (const [k, v] of Object.entries(meta)) {
diff --git a/packages/client/src/scripts/get-note-menu.ts b/packages/client/src/scripts/get-note-menu.ts
index 72147c1c63..1ec36d1ef4 100644
--- a/packages/client/src/scripts/get-note-menu.ts
+++ b/packages/client/src/scripts/get-note-menu.ts
@@ -421,7 +421,7 @@ export function getNoteMenu(props: {
 
 			null,
 
-			instance.experimentalFeatures?.postEditing && isAppearAuthor
+			instance.features.postEditing && isAppearAuthor
 				? {
 						icon: "ph-pencil-line ph-bold ph-lg",
 						text: i18n.ts.edit,
@@ -430,7 +430,7 @@ export function getNoteMenu(props: {
 				  }
 				: undefined,
 
-			instance.experimentalFeatures?.postEditing
+			instance.features.postEditing
 				? {
 						icon: "ph-copy ph-bold ph-lg",
 						text: i18n.ts.duplicate,