diff --git a/backend/scripts/verify_private_invite_support.py b/backend/scripts/verify_private_invite_support.py
deleted file mode 100644
index bc13c27..0000000
--- a/backend/scripts/verify_private_invite_support.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/env python3
-from pathlib import Path
-
-root = Path(__file__).resolve().parents[1]
-jobs = (root / 'src/services/telegramChannelJobs.ts').read_text()
-schema = (root / 'src/db/schema.sql').read_text()
-presentation = (root / 'src/bot/presentation/subscription.ts').read_text()
-
-date_download_block = jobs[jobs.index('export async function enqueueTelegramDateDownload'):jobs.index('async function getMessagesByHashtag')]
-tag_download_block = jobs[jobs.index('export async function enqueueTelegramTagDownload'):jobs.index('export async function listTelegramActiveTaskQueues')]
-
-checks = [
-    ('private invite detector', 'parseTelegramPrivateInviteHash' in jobs and 't.me/+hash' in jobs),
-    ('check chat invite API', 'messages.CheckChatInvite' in jobs and 'ChatInviteAlready' in jobs),
-    ('no auto join import invite', 'ImportChatInvite' not in jobs),
-    ('date download resolves private invites before job creation', 'resolveTelegramSource(userClient, sourceInput)' in date_download_block and 'const source = resolved.source' in date_download_block),
-    ('tag download resolves private invites before job creation', 'resolveTelegramSource(userClient, sourceInput)' in tag_download_block and 'const source = resolved.source' in tag_download_block),
-    ('stable peer persistence', 'source_original' in schema and 'source_type' in schema and 'disabled_reason' in schema),
-    ('subscription pause on inaccessible source', 'pauseTelegramSubscriptionForError' in jobs and 'enabled = false' in jobs and 'disabled_reason' in jobs),
-    ('subscription list warning', 'disabled_reason' in presentation and '上次扫描' in presentation),
-    ('explicit not joined wording', '尚未加入这个私密频道/群' in jobs),
-    ('expired/invalid invite wording', '邀请链接已过期' in jobs and '邀请链接无效' in jobs),
-]
-
-failed = [name for name, ok in checks if not ok]
-if failed:
-    print('FAIL private invite support checks:')
-    for name in failed:
-        print(f'- {name}')
-    raise SystemExit(1)
-print('PASS private invite support checks')