diff --git a/bitdust/interface/api.py b/bitdust/interface/api.py
index 3849e8dbc..e6d1c9404 100644
--- a/bitdust/interface/api.py
+++ b/bitdust/interface/api.py
@@ -2852,10 +2852,10 @@ def file_download_start(remote_path, destination_path=None, wait_result=False, p
     WARNING! Your existing local data in `destination_path` will be overwritten!
 
     ###### HTTP
-        curl -X POST 'localhost:8180/file/download/start/v1' -d '{"remote_path": "abcd1234$alice@server-a.com:movies/back_to_the_future.mp4", "local_path": "/tmp/films/"}'
+        curl -X POST 'localhost:8180/file/download/start/v1' -d '{"remote_path": "abcd1234$alice@server-a.com:movies/back_to_the_future.mp4", "destination_path": "/tmp/films/"}'
 
     ###### WebSocket
-        websocket.send('{"command": "api_call", "method": "file_download_start", "kwargs": {"remote_path": "abcd1234$alice@server-a.com:movies/back_to_the_future.mp4", "local_path": "/tmp/films/"} }');
+        websocket.send('{"command": "api_call", "method": "file_download_start", "kwargs": {"remote_path": "abcd1234$alice@server-a.com:movies/back_to_the_future.mp4", "destination_path": "/tmp/films/"} }');
     """
     if not driver.is_on('service_restores'):
         return ERROR('service_restores() is not started')
@@ -2864,7 +2864,6 @@ def file_download_start(remote_path, destination_path=None, wait_result=False, p
     from bitdust.storage import backup_fs
     from bitdust.storage import backup_control
     from bitdust.storage import restore_monitor
-    # from bitdust.main import control
     from bitdust.system import bpio
     from bitdust.lib import packetid
     from bitdust.main import settings
diff --git a/bitdust/main/bpmain.py b/bitdust/main/bpmain.py
index 5d0d8f4fe..b3d891260 100644
--- a/bitdust/main/bpmain.py
+++ b/bitdust/main/bpmain.py
@@ -68,8 +68,7 @@ def show():
     """
     Just calls ``p2p.web.control.show()`` to open the GUI.
     """
-    # from bitdust.main import control
-    # TODO: raise up electron window?
+    # TODO: to be implemented
     return 0
 
 
diff --git a/bitdust/services/service_backups.py b/bitdust/services/service_backups.py
index eb5634c2a..398754d76 100644
--- a/bitdust/services/service_backups.py
+++ b/bitdust/services/service_backups.py
@@ -54,15 +54,12 @@ def start(self):
         from bitdust.storage import backup_matrix
         from bitdust.storage import backup_monitor
         from bitdust.main.config import conf
-        # from bitdust.main import control
         from bitdust.main import events
         from bitdust.main import listeners
         from bitdust.transport import callback
         from bitdust.p2p import p2p_connector
         backup_control.init()
         backup_matrix.init()
-        # backup_matrix.SetBackupStatusNotifyCallback(control.on_backup_stats)
-        # backup_matrix.SetLocalFilesNotifyCallback(control.on_read_local_files)
         backup_monitor.A('init')
         backup_monitor.A('restart')
         conf().addConfigNotifier('services/backups/keep-local-copies-enabled', self._on_keep_local_copies_modified)
diff --git a/bitdust/transport/gateway.py b/bitdust/transport/gateway.py
index 26aa6e6dd..5e4a173b9 100644
--- a/bitdust/transport/gateway.py
+++ b/bitdust/transport/gateway.py
@@ -106,7 +106,6 @@
 from bitdust.system import tmpfile
 
 from bitdust.main import settings
-# from bitdust.main import control
 from bitdust.main import config
 from bitdust.main import events