diff --git a/src/models/post-reaction.ts b/src/models/post-reaction.ts
index 81be95b8d..3fc33411f 100644
--- a/src/models/post-reaction.ts
+++ b/src/models/post-reaction.ts
@@ -5,12 +5,12 @@ import Reaction from './post-reaction';
 import { pack as packUser } from './user';
 
 const PostReaction = db.get<IPostReaction>('postReactions');
-PostReaction.createIndex(['userId', 'postId'], { unique: true });
 export default PostReaction;
 
 export interface IPostReaction {
 	_id: mongo.ObjectID;
 	createdAt: Date;
+	deletedAt: Date;
 	postId: mongo.ObjectID;
 	userId: mongo.ObjectID;
 	reaction: string;
diff --git a/src/remote/activitypub/act/like.ts b/src/remote/activitypub/act/like.ts
deleted file mode 100644
index d2ddba89a..000000000
--- a/src/remote/activitypub/act/like.ts
+++ /dev/null
@@ -1,48 +0,0 @@
-import { MongoError } from 'mongodb';
-import Post from '../../../models/post';
-import Reaction from '../../../models/post-reaction';
-import config from '../../../config';
-import queue from '../../../queue';
-
-export default async (actor, activity) => {
-	const prefix = config.url + '/posts';
-	const id = activity.object.id || activity.object;
-	let reaction;
-
-	if (!id.startsWith(prefix)) {
-		return null;
-	}
-
-	const postId = id.slice(prefix.length);
-
-	const post = await Post.findOne({ _id: postId });
-	if (post === null) {
-		throw new Error();
-	}
-
-	try {
-		reaction = await Reaction.insert({
-			createdAt: new Date(),
-			postId,
-			userId: actor._id,
-			reaction: 'pudding'
-		});
-	} catch (exception) {
-		// duplicate key error
-		if (exception instanceof MongoError && exception.code === 11000) {
-			return null;
-		}
-
-		throw exception;
-	}
-
-	await new Promise((resolve, reject) => {
-		queue.create('http', { type: 'like', reaction: reaction._id }).save(error => {
-			if (error) {
-				reject(error);
-			} else {
-				resolve(null);
-			}
-		});
-	});
-};
diff --git a/src/remote/activitypub/renderer/note.ts b/src/remote/activitypub/renderer/note.ts
index 36f8578ec..43531b121 100644
--- a/src/remote/activitypub/renderer/note.ts
+++ b/src/remote/activitypub/renderer/note.ts
@@ -30,7 +30,7 @@ export default async (user, post) => {
 	const attributedTo = `${config.url}/@${user.username}`;
 
 	return {
-		id: `${config.url}/posts/${post._id}}`,
+		id: `${attributedTo}/${post._id}`,
 		type: 'Note',
 		attributedTo,
 		content: post.textHtml,