diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index 7fe9138..b867c05 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -181,8 +181,6 @@ class AgentSpawner:
         api_port: int = 8083,
         bootstrap_builder: Optional[Any] = None,
         gateway_timeout: float = 600.0,
-        gateway_host: str = "127.0.0.1",
-        gateway_port: int = 18789,
         max_retries: int = 3,
         max_monitor_timeouts: int = 3,
         counter: Optional[Any] = None,
@@ -194,8 +192,6 @@ class AgentSpawner:
             dry_run: 测试模式,不实际 spawn
             api_host: API 地址(供 Agent 回写)
             api_port: API 端口(供 Agent 回写)
-            gateway_host: Gateway 地址(供存活检查)
-            gateway_port: Gateway 端口(供存活检查)
         """
         self.db_path = db_path
         self.agent_timeout = agent_timeout
@@ -204,8 +200,6 @@ class AgentSpawner:
         self.api_port = api_port
         self.bootstrap_builder = bootstrap_builder
         self.gateway_timeout = gateway_timeout
-        self.gateway_host = gateway_host
-        self.gateway_port = gateway_port
         self.max_retries = max_retries
         self.max_monitor_timeouts = max_monitor_timeouts
         # v2.7.2: counter 引用(spawn_full_agent 内部 acquire/release)
@@ -474,16 +468,6 @@ curl -X POST http://{self.api_host}:{self.api_port}/api/projects/{project_id}/ta
             session_id = str(uuid.uuid4())
         _sid_key = session_id or "main"  # counter 用的 key
 
-        # Phase -1: Gateway 存活检查（#08）
-        # Gateway 不可达 → AgentBusyError(reason="gateway_down") → 任务留 pending
-        # → ticker 30s 后自动重试。仅检查 main session spawn（subagent 走 API）。
-        if use_main_session and not skip_counter:
-            gw_alive = await self._probe_gateway()
-            if not gw_alive:
-                logger.warning("Phase -1: Gateway unreachable (%s:%d), deferring %s",
-                               self.gateway_host, self.gateway_port, agent_id)
-                raise AgentBusyError(agent_id, reason="gateway_down")
-
         # Phase 0: Pre-acquire 修复（无锁）
         # timeout/failed 状态先修复再 acquire。revive 只改 running→idle，幂等安全。
         # asyncio 协作式并发保证同一时刻只有一个协程在执行，revive 的 sessions.json
@@ -1259,32 +1243,6 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
             pass
         return result
 
-    async def _probe_gateway(self, timeout: float = 3.0) -> bool:
-        """TCP + WebSocket Upgrade 握手探测 Gateway 存活
-
-        #08: Phase -1 — 在 spawn 前探测 Gateway 进程是否可达。
-        不可达 → AgentBusyError(reason="gateway_down") → 任务留 pending → ticker 30s 后重试。
-        """
-        try:
-            reader, writer = await asyncio.wait_for(
-                asyncio.open_connection(self.gateway_host, self.gateway_port),
-                timeout=timeout,
-            )
-            writer.write(
-                b'GET /ws HTTP/1.1\r\n'
-                b'Host: 127.0.0.1:%d\r\n'
-                b'Upgrade: websocket\r\n'
-                b'Connection: Upgrade\r\n'
-                b'Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==\r\n'
-                b'Sec-WebSocket-Version: 13\r\n\r\n' % self.gateway_port
-            )
-            await writer.drain()
-            resp = await asyncio.wait_for(reader.read(256), timeout=timeout)
-            writer.close()
-            return b'101' in resp
-        except Exception:
-            return False
-
     @staticmethod
     def _classify_outcome(exit_code: int, json_result: dict, stderr_text: str,
                           task_status: Optional[str], stdout_text: str = "") -> dict: