diff --git a/default_custom_overlays.json b/default_custom_overlays.json
deleted file mode 100644
index 8d5f5e2e..00000000
--- a/default_custom_overlays.json
+++ /dev/null
@@ -1,32 +0,0 @@
-{
-  "mainnet": {
-    "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA": {
-        "msg_sender": true,
-        "msg_sender_priority": 15
-    },
-    "BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB": {
-        "msg_sender": true,
-        "msg_sender_priority": 10
-    },
-    "@validators": true
-  },
-  "testnet": {
-      "DF27B30444D07087863B77F8BD27BABA8E57EDECA393605F6610FDCB64FFECD1": {
-          "msg_sender": true,
-          "msg_sender_priority": 14
-      },
-      "B360D229CA597906ADFC522FAC3EB5F8AE9D80981693225E7083577A4F016118": {
-          "msg_sender": true,
-          "msg_sender_priority": 10
-      },
-      "F794DE0B21423B6F4C168C5652758E5743CD977ACE13B3B2BA88E28580D9BEDB": {
-          "msg_sender": true,
-          "msg_sender_priority": 10
-      },
-      "6447CEAC80573AF2ABCA741FC940BB690AC263DC4B779FB6609CE5E9A4B31AE1": {
-          "msg_sender": true,
-          "msg_sender_priority": 5
-      },
-      "@validators": true
-  }
-}
\ No newline at end of file
diff --git a/mytoncore.py b/mytoncore.py
index a24c59c6..ed132f58 100755
--- a/mytoncore.py
+++ b/mytoncore.py
@@ -2677,6 +2677,16 @@ def GetValidatorsList(self, past=False):
 		return validators
 	#end define
 
+	def find_myself_in_el(self):
+		save_elections = self.GetSaveElections()
+		my_adnl = self.GetAdnlAddr()
+		for election_id, election in save_elections.items():
+			for adnl in election:
+				if adnl == my_adnl:
+					return True
+		return False
+	#end define
+
 	def CheckValidators(self, start, end):
 		local.add_log("start CheckValidators function", "debug")
 		electionId = start
diff --git a/mytonctrl.py b/mytonctrl.py
index 046d1676..1cbb1683 100755
--- a/mytonctrl.py
+++ b/mytonctrl.py
@@ -109,7 +109,8 @@ def Init(argv):
 #end define
 
 def PreUp():
-	CheckMytonctrlUpdate()
+	CheckMytonctrlUpdate()  # check mtc current branch update only if there wasnt warning about mtc2
+	CheckMytonctrl2Update()
 	CheckDiskUsage()
 	check_vport()
 	# CheckTonUpdate()
@@ -229,6 +230,17 @@ def CheckMytonctrlUpdate():
 #end define
 
 
+def CheckMytonctrl2Update():
+	try:
+		if not ton.find_myself_in_el():  # we are not validator in current and prev rounds
+			print('============================================================================================')
+			color_print(local.translate("update_mtc2_warning"))
+			print('============================================================================================')
+	except Exception as err:
+		local.add_log(f'Failed to check node as validator: {err}', "error")
+# end define
+
+
 def CheckDiskUsage():
 	usage = ton.GetDbUsage()
 	if usage > 90:
diff --git a/translate.json b/translate.json
index 294ac055..e2aa23ed 100644
--- a/translate.json
+++ b/translate.json
@@ -369,6 +369,11 @@
 		"ru": "{green}Доступно обновление MyTonCtrl. {red}Пожалуйста, обновите его с помощью команды `update`.{endc}",
 		"zh_TW": "{green}MyTonCtrl 有可用更新. {red}請使用 `update` 命令進行更新.{endc}"
 	},
+	"update_mtc2_warning": {
+		"en": "{red}This version is outdated. Please update to the second version: `update mytonctrl2`{endc}",
+		"ru": "{red}Данная версия устарела. Пожалуйста обновитесь на вторую версию: `update mytonctrl2`{endc}",
+		"zh_TW": "{red}這個版本已經過時了。請更新至第二版本: `update mytonctrl2`{endc}"
+	},
 	"disk_usage_warning": {
 		"en": "{red} Disk is almost full, clean the TON database immediately: https://docs.ton.org/participate/nodes/node-maintenance-and-security#database-grooming {endc}",
 		"ru": "{red} Диск почти заполнен, немедленно очистите базу данных TON: https://docs.ton.org/participate/nodes/node-maintenance-and-security#database-grooming {endc}",