diff --git a/src/models/entities/poll.ts b/src/models/entities/poll.ts
index 204f102f51..894f07e689 100644
--- a/src/models/entities/poll.ts
+++ b/src/models/entities/poll.ts
@@ -6,10 +6,6 @@ import { User } from './user';
 @Entity()
 export class Poll {
 	@PrimaryColumn(id())
-	public id: string;
-
-	@Index({ unique: true })
-	@Column(id())
 	public noteId: Note['id'];
 
 	@OneToOne(type => Note, {
diff --git a/src/models/entities/user-keypair.ts b/src/models/entities/user-keypair.ts
index 9181abf8cb..808985f473 100644
--- a/src/models/entities/user-keypair.ts
+++ b/src/models/entities/user-keypair.ts
@@ -1,10 +1,9 @@
-import { PrimaryColumn, Entity, Index, JoinColumn, Column, OneToOne } from 'typeorm';
+import { PrimaryColumn, Entity, JoinColumn, Column, OneToOne } from 'typeorm';
 import { User } from './user';
 import { id } from '../id';
 
 @Entity()
 export class UserKeypair {
-	@Index({ unique: true })
 	@PrimaryColumn(id())
 	public userId: User['id'];
 
diff --git a/src/models/entities/user-profile.ts b/src/models/entities/user-profile.ts
index 24b92231f5..421d17c59e 100644
--- a/src/models/entities/user-profile.ts
+++ b/src/models/entities/user-profile.ts
@@ -4,7 +4,6 @@ import { User } from './user';
 
 @Entity()
 export class UserProfile {
-	@Index({ unique: true })
 	@PrimaryColumn(id())
 	public userId: User['id'];
 
diff --git a/src/models/entities/user-publickey.ts b/src/models/entities/user-publickey.ts
index 81c42404fa..26b694407d 100644
--- a/src/models/entities/user-publickey.ts
+++ b/src/models/entities/user-publickey.ts
@@ -4,7 +4,6 @@ import { id } from '../id';
 
 @Entity()
 export class UserPublickey {
-	@Index({ unique: true })
 	@PrimaryColumn(id())
 	public userId: User['id'];
 
diff --git a/src/remote/activitypub/models/question.ts b/src/remote/activitypub/models/question.ts
index a5091a6d96..68f0cb3596 100644
--- a/src/remote/activitypub/models/question.ts
+++ b/src/remote/activitypub/models/question.ts
@@ -72,7 +72,7 @@ export async function updateQuestion(value: any) {
 		updatedAt: new Date(),
 	});
 
-	await Polls.update(poll.id, {
+	await Polls.update({ noteId: note.id }, {
 		votes: poll.votes
 	});
 
diff --git a/src/server/api/endpoints/notes/polls/vote.ts b/src/server/api/endpoints/notes/polls/vote.ts
index d868234dc9..dd4d93c7ac 100644
--- a/src/server/api/endpoints/notes/polls/vote.ts
+++ b/src/server/api/endpoints/notes/polls/vote.ts
@@ -123,7 +123,7 @@ export default define(meta, async (ps, user) => {
 
 	// Increment votes count
 	const index = ps.choice + 1; // In SQL, array index is 1 based
-	await Polls.query(`UPDATE poll SET votes[${index}] = votes[${index}] + 1 WHERE id = '${poll.id}'`);
+	await Polls.query(`UPDATE poll SET votes[${index}] = votes[${index}] + 1 WHERE noteId = '${poll.noteId}'`);
 
 	publishNoteStream(note.id, 'pollVoted', {
 		choice: ps.choice,
diff --git a/src/services/note/create.ts b/src/services/note/create.ts
index 6058fada16..bc1225cd4d 100644
--- a/src/services/note/create.ts
+++ b/src/services/note/create.ts
@@ -398,7 +398,6 @@ async function insertNote(user: User, data: Option, tags: string[], emojis: stri
 
 		if (note.hasPoll) {
 			await Polls.save({
-				id: genId(),
 				noteId: note.id,
 				choices: data.poll.choices,
 				expiresAt: data.poll.expiresAt,
diff --git a/src/services/note/polls/vote.ts b/src/services/note/polls/vote.ts
index 95e5b3ef3a..3051ff42d9 100644
--- a/src/services/note/polls/vote.ts
+++ b/src/services/note/polls/vote.ts
@@ -40,7 +40,7 @@ export default (user: User, note: Note, choice: number) => new Promise(async (re
 
 	// Increment votes count
 	const index = choice + 1; // In SQL, array index is 1 based
-	await Polls.query(`UPDATE poll SET votes[${index}] = votes[${index}] + 1 WHERE id = '${poll.id}'`);
+	await Polls.query(`UPDATE poll SET votes[${index}] = votes[${index}] + 1 WHERE noteId = '${poll.noteId}'`);
 
 	publishNoteStream(note.id, 'pollVoted', {
 		choice: choice,