diff --git a/config.py b/config.py
index d366cd1..f2dac31 100644
--- a/config.py
+++ b/config.py
@@ -167,20 +167,17 @@ class Config(ComboParser):
         self.add_item(section, 'spot_check_pct', float, 1.0, 'percent of working proxies to spot-check (default: 1.0)', False)
 
         section = 'worker'
-        self.add_item(section, 'batch_size', int, 100, 'proxies per work batch (default: 100)', False)
         self.add_item(section, 'heartbeat', int, 60, 'heartbeat interval in seconds (default: 60)', False)
-        self.add_item(section, 'claim_timeout', int, 300, 'seconds before unclaimed work is released (default: 300)', False)
-        self.add_item(section, 'url_batch_size', int, 5, 'URLs per claim cycle for V2 mode (default: 5)', False)
-        self.add_item(section, 'fetch_timeout', int, 30, 'timeout for URL fetching in V2 mode (default: 30)', False)
+        self.add_item(section, 'url_batch_size', int, 5, 'URLs per claim cycle (default: 5)', False)
+        self.add_item(section, 'fetch_timeout', int, 30, 'timeout for URL fetching (default: 30)', False)
 
         self.aparser.add_argument("--file", help="import a single file containing proxy addrs", type=str, default='', required=False)
         self.aparser.add_argument("--nobs", help="disable BeautifulSoup, use stdlib HTMLParser", action='store_true', default=False)
         self.aparser.add_argument("-q", "--quiet", help="suppress info messages, show warnings and errors only", action='store_true', default=False)
         self.aparser.add_argument("-v", "--verbose", help="show debug messages", action='store_true', default=False)
         self.aparser.add_argument("--profile", help="enable cProfile profiling, output to profile.stats", action='store_true', default=False)
-        self.aparser.add_argument("--worker", help="run as worker node", action='store_true', default=False)
         self.aparser.add_argument("--server", help="master server URL (e.g., https://master:8081)", type=str, default='')
         self.aparser.add_argument("--worker-key", help="worker authentication key", type=str, default='')
         self.aparser.add_argument("--register", help="register as worker with master server", action='store_true', default=False)
         self.aparser.add_argument("--worker-name", help="worker name for registration (default: hostname)", type=str, default='')
-        self.aparser.add_argument("--worker-v2", help="run as V2 worker (URL-driven fetching)", action='store_true', default=False)
+        self.aparser.add_argument("--worker-v2", help="run as worker node (URL-driven fetching)", action='store_true', default=False)