diff --git a/packages/backend/src/server/api/endpoints.ts b/packages/backend/src/server/api/endpoints.ts
index ab7efe100e..40243a7fd6 100644
--- a/packages/backend/src/server/api/endpoints.ts
+++ b/packages/backend/src/server/api/endpoints.ts
@@ -5,10 +5,6 @@ import * as ep___admin_abuseUserReports from "./endpoints/admin/abuse-user-repor
 import * as ep___admin_accounts_create from "./endpoints/admin/accounts/create.js";
 import * as ep___admin_accounts_delete from "./endpoints/admin/accounts/delete.js";
 import * as ep___admin_accounts_hosted from "./endpoints/admin/accounts/hosted.js";
-import * as ep___admin_ad_create from "./endpoints/admin/ad/create.js";
-import * as ep___admin_ad_delete from "./endpoints/admin/ad/delete.js";
-import * as ep___admin_ad_list from "./endpoints/admin/ad/list.js";
-import * as ep___admin_ad_update from "./endpoints/admin/ad/update.js";
 import * as ep___admin_announcements_create from "./endpoints/admin/announcements/create.js";
 import * as ep___admin_announcements_delete from "./endpoints/admin/announcements/delete.js";
 import * as ep___admin_announcements_list from "./endpoints/admin/announcements/list.js";
@@ -331,10 +327,6 @@ const eps = [
 	["admin/accounts/create", ep___admin_accounts_create],
 	["admin/accounts/delete", ep___admin_accounts_delete],
 	["admin/accounts/hosted", ep___admin_accounts_hosted],
-	["admin/ad/create", ep___admin_ad_create],
-	["admin/ad/delete", ep___admin_ad_delete],
-	["admin/ad/list", ep___admin_ad_list],
-	["admin/ad/update", ep___admin_ad_update],
 	["admin/announcements/create", ep___admin_announcements_create],
 	["admin/announcements/delete", ep___admin_announcements_delete],
 	["admin/announcements/list", ep___admin_announcements_list],
diff --git a/packages/backend/src/server/api/endpoints/admin/ad/create.ts b/packages/backend/src/server/api/endpoints/admin/ad/create.ts
deleted file mode 100644
index db39f3eb27..0000000000
--- a/packages/backend/src/server/api/endpoints/admin/ad/create.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import define from "../../../define.js";
-import { Ads } from "@/models/index.js";
-import { genId } from "@/misc/gen-id.js";
-
-export const meta = {
-	tags: ["admin"],
-
-	requireCredential: true,
-	requireModerator: true,
-} as const;
-
-export const paramDef = {
-	type: "object",
-	properties: {
-		url: { type: "string", minLength: 1 },
-		memo: { type: "string" },
-		place: { type: "string" },
-		priority: { type: "string" },
-		ratio: { type: "integer" },
-		expiresAt: { type: "integer" },
-		imageUrl: { type: "string", minLength: 1 },
-	},
-	required: [
-		"url",
-		"memo",
-		"place",
-		"priority",
-		"ratio",
-		"expiresAt",
-		"imageUrl",
-	],
-} as const;
-
-export default define(meta, paramDef, async (ps) => {
-	await Ads.insert({
-		id: genId(),
-		createdAt: new Date(),
-		expiresAt: new Date(ps.expiresAt),
-		url: ps.url,
-		imageUrl: ps.imageUrl,
-		priority: ps.priority,
-		ratio: ps.ratio,
-		place: ps.place,
-		memo: ps.memo,
-	});
-});
diff --git a/packages/backend/src/server/api/endpoints/admin/ad/delete.ts b/packages/backend/src/server/api/endpoints/admin/ad/delete.ts
deleted file mode 100644
index ee6d314de7..0000000000
--- a/packages/backend/src/server/api/endpoints/admin/ad/delete.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import define from "../../../define.js";
-import { Ads } from "@/models/index.js";
-import { ApiError } from "../../../error.js";
-
-export const meta = {
-	tags: ["admin"],
-
-	requireCredential: true,
-	requireModerator: true,
-
-	errors: {
-		noSuchAd: {
-			message: "No such ad.",
-			code: "NO_SUCH_AD",
-			id: "ccac9863-3a03-416e-b899-8a64041118b1",
-		},
-	},
-} as const;
-
-export const paramDef = {
-	type: "object",
-	properties: {
-		id: { type: "string", format: "misskey:id" },
-	},
-	required: ["id"],
-} as const;
-
-export default define(meta, paramDef, async (ps, me) => {
-	const ad = await Ads.findOneBy({ id: ps.id });
-
-	if (ad == null) throw new ApiError(meta.errors.noSuchAd);
-
-	await Ads.delete(ad.id);
-});
diff --git a/packages/backend/src/server/api/endpoints/admin/ad/list.ts b/packages/backend/src/server/api/endpoints/admin/ad/list.ts
deleted file mode 100644
index 65944d31e9..0000000000
--- a/packages/backend/src/server/api/endpoints/admin/ad/list.ts
+++ /dev/null
@@ -1,32 +0,0 @@
-import define from "../../../define.js";
-import { Ads } from "@/models/index.js";
-import { makePaginationQuery } from "../../../common/make-pagination-query.js";
-
-export const meta = {
-	tags: ["admin"],
-
-	requireCredential: true,
-	requireModerator: true,
-} as const;
-
-export const paramDef = {
-	type: "object",
-	properties: {
-		limit: { type: "integer", minimum: 1, maximum: 100, default: 10 },
-		sinceId: { type: "string", format: "misskey:id" },
-		untilId: { type: "string", format: "misskey:id" },
-	},
-	required: [],
-} as const;
-
-export default define(meta, paramDef, async (ps) => {
-	const query = makePaginationQuery(
-		Ads.createQueryBuilder("ad"),
-		ps.sinceId,
-		ps.untilId,
-	).andWhere("ad.expiresAt > :now", { now: new Date() });
-
-	const ads = await query.take(ps.limit).getMany();
-
-	return ads;
-});
diff --git a/packages/backend/src/server/api/endpoints/admin/ad/update.ts b/packages/backend/src/server/api/endpoints/admin/ad/update.ts
deleted file mode 100644
index 2c70387310..0000000000
--- a/packages/backend/src/server/api/endpoints/admin/ad/update.ts
+++ /dev/null
@@ -1,58 +0,0 @@
-import define from "../../../define.js";
-import { Ads } from "@/models/index.js";
-import { ApiError } from "../../../error.js";
-
-export const meta = {
-	tags: ["admin"],
-
-	requireCredential: true,
-	requireModerator: true,
-
-	errors: {
-		noSuchAd: {
-			message: "No such ad.",
-			code: "NO_SUCH_AD",
-			id: "b7aa1727-1354-47bc-a182-3a9c3973d300",
-		},
-	},
-} as const;
-
-export const paramDef = {
-	type: "object",
-	properties: {
-		id: { type: "string", format: "misskey:id" },
-		memo: { type: "string" },
-		url: { type: "string", minLength: 1 },
-		imageUrl: { type: "string", minLength: 1 },
-		place: { type: "string" },
-		priority: { type: "string" },
-		ratio: { type: "integer" },
-		expiresAt: { type: "integer" },
-	},
-	required: [
-		"id",
-		"memo",
-		"url",
-		"imageUrl",
-		"place",
-		"priority",
-		"ratio",
-		"expiresAt",
-	],
-} as const;
-
-export default define(meta, paramDef, async (ps, me) => {
-	const ad = await Ads.findOneBy({ id: ps.id });
-
-	if (ad == null) throw new ApiError(meta.errors.noSuchAd);
-
-	await Ads.update(ad.id, {
-		url: ps.url,
-		place: ps.place,
-		priority: ps.priority,
-		ratio: ps.ratio,
-		memo: ps.memo,
-		imageUrl: ps.imageUrl,
-		expiresAt: new Date(ps.expiresAt),
-	});
-});