diff --git a/packages/backend/src/server/api/endpoints/i/update.ts b/packages/backend/src/server/api/endpoints/i/update.ts
index 309896840b..431bb4c60a 100644
--- a/packages/backend/src/server/api/endpoints/i/update.ts
+++ b/packages/backend/src/server/api/endpoints/i/update.ts
@@ -159,7 +159,6 @@ export const paramDef = {
 		receiveAnnouncementEmail: { type: 'boolean' },
 		alwaysMarkNsfw: { type: 'boolean' },
 		autoSensitive: { type: 'boolean' },
-		defaultWithReplies: { type: 'boolean' },
 		ffVisibility: { type: 'string', enum: ['public', 'followers', 'private'] },
 		pinnedPageId: { type: 'string', format: 'misskey:id', nullable: true },
 		mutedWords: { type: 'array' },
@@ -265,7 +264,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				profileUpdates.alwaysMarkNsfw = ps.alwaysMarkNsfw;
 			}
 			if (typeof ps.autoSensitive === 'boolean') profileUpdates.autoSensitive = ps.autoSensitive;
-			if (typeof ps.defaultWithReplies === 'boolean') updates.defaultWithReplies = ps.defaultWithReplies;
 			if (ps.emailNotificationTypes !== undefined) profileUpdates.emailNotificationTypes = ps.emailNotificationTypes;
 
 			if (ps.avatarId) {
diff --git a/packages/misskey-js/etc/misskey-js.api.md b/packages/misskey-js/etc/misskey-js.api.md
index 70bbad3754..ad4403067b 100644
--- a/packages/misskey-js/etc/misskey-js.api.md
+++ b/packages/misskey-js/etc/misskey-js.api.md
@@ -1542,7 +1542,6 @@ export type Endpoints = {
             injectFeaturedNote?: boolean;
             receiveAnnouncementEmail?: boolean;
             alwaysMarkNsfw?: boolean;
-            defaultWithReplies?: boolean;
             mutedWords?: string[][];
             notificationRecieveConfig?: any;
             emailNotificationTypes?: string[];
@@ -2985,7 +2984,7 @@ type UserSorting = '+follower' | '-follower' | '+createdAt' | '-createdAt' | '+u
 //
 // src/api.types.ts:16:32 - (ae-forgotten-export) The symbol "TODO" needs to be exported by the entry point index.d.ts
 // src/api.types.ts:18:25 - (ae-forgotten-export) The symbol "NoParams" needs to be exported by the entry point index.d.ts
-// src/api.types.ts:634:18 - (ae-forgotten-export) The symbol "ShowUserReq" needs to be exported by the entry point index.d.ts
+// src/api.types.ts:633:18 - (ae-forgotten-export) The symbol "ShowUserReq" needs to be exported by the entry point index.d.ts
 // src/entities.ts:107:2 - (ae-forgotten-export) The symbol "notificationTypes_2" needs to be exported by the entry point index.d.ts
 // src/entities.ts:601:2 - (ae-forgotten-export) The symbol "ModerationLogPayloads" needs to be exported by the entry point index.d.ts
 // src/streaming.types.ts:33:4 - (ae-forgotten-export) The symbol "FIXME" needs to be exported by the entry point index.d.ts
diff --git a/packages/misskey-js/src/api.types.ts b/packages/misskey-js/src/api.types.ts
index 4e6c70f114..8c6205bf51 100644
--- a/packages/misskey-js/src/api.types.ts
+++ b/packages/misskey-js/src/api.types.ts
@@ -431,7 +431,6 @@ export type Endpoints = {
 		injectFeaturedNote?: boolean;
 		receiveAnnouncementEmail?: boolean;
 		alwaysMarkNsfw?: boolean;
-		defaultWithReplies?: boolean;
 		mutedWords?: string[][];
 		notificationRecieveConfig?: any;
 		emailNotificationTypes?: string[];