diff --git a/packages/backend/src/server/api/endpoints/charts/user/reactions.ts b/packages/backend/src/server/api/endpoints/charts/user/reactions.ts
index 5afe77523..16a4f94f9 100644
--- a/packages/backend/src/server/api/endpoints/charts/user/reactions.ts
+++ b/packages/backend/src/server/api/endpoints/charts/user/reactions.ts
@@ -1,28 +1,6 @@
 import { Injectable } from '@nestjs/common';
-import { getJsonSchema } from '@/core/chart/core.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import PerUserReactionsChart from '@/core/chart/charts/per-user-reactions.js';
-import { schema } from '@/core/chart/charts/entities/per-user-reactions.js';
-
-export const meta = {
-	tags: ['charts', 'users', 'reactions'],
-
-	res: getJsonSchema(schema),
-
-	allowGet: true,
-	cacheSec: 60 * 60,
-} as const;
-
-export const paramDef = {
-	type: 'object',
-	properties: {
-		span: { type: 'string', enum: ['day', 'hour'] },
-		limit: { type: 'integer', minimum: 1, maximum: 500, default: 30 },
-		offset: { type: 'integer', nullable: true, default: null },
-		userId: { type: 'string', format: 'misskey:id' },
-	},
-	required: ['span', 'userId'],
-} as const;
 
 // eslint-disable-next-line import/no-default-export
 @Injectable()