diff --git a/modules/liteserver.py b/modules/liteserver.py
index 6e3849ec..35acb224 100644
--- a/modules/liteserver.py
+++ b/modules/liteserver.py
@@ -5,23 +5,8 @@
 
 class LiteserverModule(MtcModule):
 
-    description = 'For liteserver usage only - can\'t be used with validator.'
+    description = 'For liteserver usage only without validator.'
     default_value = False
 
-    def enable(self):
-        from mytoninstaller.mytoninstaller import set_node_argument
-        set_node_argument(self.local, ["--celldb-no-preload-all"])
-        data = psutil.virtual_memory()
-        ram = data.total / 2**30
-        if ram < 100:
-            set_node_argument(self.local, ["--celldb-cache-size", "1073741824"])
-
-    def disable(self):
-        from mytoninstaller.mytoninstaller import set_node_argument
-        from mytoninstaller.node_args import get_node_args
-        set_node_argument(self.local, ["--celldb-no-preload-all", "-d"])
-        if get_node_args()['--celldb-cache-size']:
-            set_node_argument(self.local, ["--celldb-cache-size", "-d"])
-
     def add_console_commands(self, console):
         ...
diff --git a/mytoncore/functions.py b/mytoncore/functions.py
index 0cca873a..97b0f8d3 100755
--- a/mytoncore/functions.py
+++ b/mytoncore/functions.py
@@ -57,6 +57,8 @@ def Event(local, event_name):
         enable_ton_storage_provider_event(local)
     elif event_name == "enable_liteserver_mode":
         enable_liteserver_mode(local)
+    elif event_name == "enable_validator_mode":
+        enable_validator_mode(local)
     local.exit()
 # end define
 
@@ -93,10 +95,17 @@ def enable_ton_storage_provider_event(local):
 #end define
 
 
+def enable_validator_mode(local):
+    from mytoninstaller.mytoninstaller import set_node_argument
+    set_node_argument(local, ['--archive-ttl', '86400'])  # limit validator archive ttl to 1 day
+
+
 def enable_liteserver_mode(local):
+    from mytoninstaller.mytoninstaller import set_node_argument
     ton = MyTonCore(local)
     ton.disable_mode('validator')
     ton.enable_mode('liteserver')
+    set_node_argument(local, ['--archive-ttl', '2592000'])  # limit liteserver archive ttl to 30 days
 #end define
 
 
diff --git a/mytoncore/mytoncore.py b/mytoncore/mytoncore.py
index ffa5d3ab..f72f26ba 100644
--- a/mytoncore/mytoncore.py
+++ b/mytoncore/mytoncore.py
@@ -3269,7 +3269,6 @@ def check_enable_mode(self, name):
 			if self.using_validator():
 				raise Exception(f'Cannot enable liteserver mode while validator mode is enabled. '
 								f'Use `disable_mode validator` first.')
-			MODES['liteserver'](self, self.local).enable()
 		if name == 'validator':
 			if self.using_liteserver():
 				raise Exception(f'Cannot enable validator mode while liteserver mode is enabled. '
@@ -3287,8 +3286,6 @@ def disable_mode(self, name):
 		current_modes = self.get_modes()
 		if name not in current_modes:
 			raise Exception(f'Unknown module name: {name}. Available modes: {", ".join(MODES)}')
-		if name == 'liteserver':
-			MODES['liteserver'](self, self.local).disable()
 		current_modes[name] = False
 		self.local.save()
 
diff --git a/mytoninstaller/settings.py b/mytoninstaller/settings.py
index 6a4fbbb1..995dca30 100644
--- a/mytoninstaller/settings.py
+++ b/mytoninstaller/settings.py
@@ -891,6 +891,9 @@ def CreateSymlinks(local):
 
 
 def EnableMode(local):
+	args = ["python3", "-m", "mytoncore", "-e"]
 	if local.buffer.mode == 'liteserver':
-		args = ["python3", "-m", "mytoncore", "-e", "enable_liteserver_mode"]
-		subprocess.run(args)
+		args.append("enable_liteserver_mode")
+	elif local.buffer.mode == 'validator':
+		args.append("enable_validator_mode")
+	subprocess.run(args)