diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a67411848..244ceb3826 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@
 - ActivityPub: not reacted な Undo.Like がinboxに滞留するのを修正
 
 ### Changes
+- 連合の考慮に問題があることなどが分かったため、モデレーターをブロックできない仕様を廃止しました
 - データベースにログを保存しないようになりました
 	- ログを永続化したい場合はsyslogを利用してください
 
diff --git a/src/server/api/endpoints/blocking/create.ts b/src/server/api/endpoints/blocking/create.ts
index 4deaa39974..2953252394 100644
--- a/src/server/api/endpoints/blocking/create.ts
+++ b/src/server/api/endpoints/blocking/create.ts
@@ -43,12 +43,6 @@ export const meta = {
 			code: 'ALREADY_BLOCKING',
 			id: '787fed64-acb9-464a-82eb-afbd745b9614'
 		},
-
-		cannotBlockModerator: {
-			message: 'Cannot block a moderator or an admin.',
-			code: 'CANNOT_BLOCK_MODERATOR',
-			id: '8544aaef-89fb-e470-9f6c-385d38b474f5'
-		}
 	},
 
 	res: {
@@ -82,12 +76,7 @@ export default define(meta, async (ps, user) => {
 		throw new ApiError(meta.errors.alreadyBlocking);
 	}
 
-	try {
-		await create(blocker, blockee);
-	} catch (e) {
-		if (e.id === 'e42b7890-5e4d-9d9c-d54b-cf4dd30adfb5') throw new ApiError(meta.errors.cannotBlockModerator);
-		throw e;
-	}
+	await create(blocker, blockee);
 
 	NoteWatchings.delete({
 		userId: blocker.id,
diff --git a/src/services/blocking/create.ts b/src/services/blocking/create.ts
index defe377514..6aadc847a9 100644
--- a/src/services/blocking/create.ts
+++ b/src/services/blocking/create.ts
@@ -12,10 +12,6 @@ import { genId } from '@/misc/gen-id';
 import { IdentifiableError } from '@/misc/identifiable-error';
 
 export default async function(blocker: User, blockee: User) {
-	if (blockee.isAdmin || blockee.isModerator) {
-		throw new IdentifiableError('e42b7890-5e4d-9d9c-d54b-cf4dd30adfb5');
-	}
-
 	await Promise.all([
 		cancelRequest(blocker, blockee),
 		cancelRequest(blockee, blocker),