diff --git a/tracking/telegram_state.json.bak b/tracking/telegram_state.json.bak
deleted file mode 100644
index b4f85eb..0000000
--- a/tracking/telegram_state.json.bak
+++ /dev/null
@@ -1,138 +0,0 @@
-{
-  "mobile_jobs": {
-    "last_message_id": 211450,
-    "last_seen_date": "2026-06-06T13:58:01+00:00"
-  },
-  "javascript_jobs": {
-    "last_message_id": 881871,
-    "last_seen_date": "2026-06-06T18:42:26+00:00"
-  },
-  "javascript_jobs_feed": {
-    "last_message_id": 39247,
-    "last_seen_date": "2026-06-06T18:42:25+00:00"
-  },
-  "devops_jobs": {
-    "last_message_id": 1566498,
-    "last_seen_date": "2026-06-06T18:48:55+00:00"
-  },
-  "newworld_2088": {
-    "last_message_id": 8390,
-    "last_seen_date": "2026-06-04T19:29:30+00:00"
-  },
-  "nodejs_jobs": {
-    "last_message_id": 133491,
-    "last_seen_date": "2026-06-06T12:47:02+00:00"
-  },
-  "mobile_vacancies": {
-    "last_message_id": 85194,
-    "last_seen_date": "2026-06-06T13:21:11+00:00"
-  },
-  "jsspeak": {
-    "last_message_id": 58668,
-    "last_seen_date": "2026-06-06T14:14:30+00:00"
-  },
-  "-1002137052673": {
-    "last_message_id": 9437,
-    "last_seen_date": "2026-06-06T18:06:02+00:00"
-  },
-  "projects_jobs": {
-    "last_message_id": 137333,
-    "last_seen_date": "2026-06-06T13:15:22+00:00"
-  },
-  "zarubezhom_jobs": {
-    "last_message_id": 3922,
-    "last_seen_date": "2026-06-06T18:14:12+00:00"
-  },
-  "bez_investorov": {
-    "last_message_id": 34,
-    "last_seen_date": "2026-06-06T14:02:03+00:00"
-  },
-  "budny_lucky_hunter": {
-    "last_message_id": 2069,
-    "last_seen_date": "2026-06-05T11:36:05+00:00"
-  },
-  "remotejobss": {
-    "last_message_id": 12948,
-    "last_seen_date": "2026-06-06T10:00:06+00:00"
-  },
-  "huntermikevolkov": {
-    "last_message_id": 308,
-    "last_seen_date": "2026-06-05T06:45:07+00:00"
-  },
-  "devitjobs_nl": {
-    "last_message_id": 1636,
-    "last_seen_date": "2026-06-05T09:03:47+00:00"
-  },
-  "Jobs_global_startups": {
-    "last_message_id": 711,
-    "last_seen_date": "2026-06-04T07:20:45+00:00"
-  },
-  "gogetajob": {
-    "last_message_id": 145083,
-    "last_seen_date": "2026-06-06T11:39:16+00:00"
-  },
-  "agile_jobs": {
-    "last_message_id": 61712,
-    "last_seen_date": "2026-06-04T13:49:42+00:00"
-  },
-  "techjobsworld": {
-    "last_message_id": 1614,
-    "last_seen_date": "2026-06-02T17:44:08+00:00"
-  },
-  "javascriptjobjs": {
-    "last_message_id": 424,
-    "last_seen_date": "2026-05-12T16:25:08+00:00"
-  },
-  "remote_jobs_today": {
-    "last_message_id": 103,
-    "last_seen_date": "2025-04-06T07:34:01+00:00"
-  },
-  "RemotiveJobs_All_Others": {
-    "last_message_id": 514,
-    "last_seen_date": "2024-12-30T03:13:11+00:00"
-  },
-  "Remote_Software_Developer_Jobs": {
-    "last_message_id": 1073,
-    "last_seen_date": "2024-12-24T15:13:05+00:00"
-  },
-  "serbia_jobs": {
-    "last_message_id": 48345,
-    "last_seen_date": "2026-06-06T16:05:27+00:00"
-  },
-  "jaabz_com": {
-    "last_message_id": 10793,
-    "last_seen_date": "2026-06-06T19:00:07+00:00"
-  },
-  "ai_dev_job": {
-    "last_message_id": 81,
-    "last_seen_date": "2026-06-06T15:00:41+00:00"
-  },
-  "devsunite": {
-    "last_message_id": 46,
-    "last_seen_date": "2026-06-06T18:02:25+00:00"
-  },
-  "notificaJobs_nodeJS": {
-    "last_message_id": 3877,
-    "last_seen_date": "2026-06-06T12:49:44+00:00"
-  },
-  "jsdevjob": {
-    "last_message_id": 2384,
-    "last_seen_date": "2026-06-05T18:03:38+00:00"
-  },
-  "itdevjobs": {
-    "last_message_id": 703,
-    "last_seen_date": "2026-06-05T17:00:11+00:00"
-  },
-  "dev_connectablejobs": {
-    "last_message_id": 2123,
-    "last_seen_date": "2026-06-05T15:02:24+00:00"
-  },
-  "it_jobs_cyprus": {
-    "last_message_id": 7624,
-    "last_seen_date": "2026-06-06T19:20:59+00:00"
-  },
-  "JS_RemoteJobs": {
-    "last_message_id": 336,
-    "last_seen_date": "2026-06-05T11:00:37+00:00"
-  }
-}