diff --git a/hive-c0re/src/coordinator.rs b/hive-c0re/src/coordinator.rs
index 16e7d241..6312c71e 100644
--- a/hive-c0re/src/coordinator.rs
+++ b/hive-c0re/src/coordinator.rs
@@ -548,8 +548,8 @@ impl Coordinator {
     /// Assemble the per-agent filesystem paths for `name`. `agent_dir`
     /// is the runtime directory (`/run/hyperhive/agents/<name>`), obtained
     /// from `Coordinator::agent_dir(name)` (pure path) or from
-    /// `lifecycle::ensure_agent_runtime_dir` + `agent_dir` when the dir
-    /// must be created. All other paths are derived statically from `name`.
+    /// `lifecycle::ensure_agent_runtime_dir(name)` when the dir must be
+    /// created. All other paths are derived statically from `name`.
     #[must_use]
     pub fn agent_paths(name: &str, agent_dir: PathBuf) -> AgentPaths {
         AgentPaths {
@@ -1452,24 +1452,6 @@ impl Coordinator {
 
     /// Ensure a runtime dir + (for sub-agents) per-agent socket exists.
     ///
-    /// **Prefer the split form (event-driven):**
-    /// - dir creation → `lifecycle::ensure_agent_runtime_dir(name)`
-    /// - listener registration → `register_agent(name)` at each explicit
-    ///   lifecycle event (spawn, reconcile-start). `mcp_sockets::sync_on_start`
-    ///   covers the daemon-restart case.
-    ///
-    /// This method is kept as a convenience shim for any remaining callers
-    /// that need the combined semantics in one call.
-    pub fn ensure_runtime(self: &Arc<Self>, name: &str) -> Result<PathBuf> {
-        if name == crate::lifecycle::MANAGER_NAME {
-            let dir = Self::agent_dir(name);
-            std::fs::create_dir_all(&dir)
-                .with_context(|| format!("create manager dir {}", dir.display()))?;
-            return Ok(dir);
-        }
-        self.register_agent(name)
-    }
-
     /// Per-agent state root (parent of `config/`, future `prompts/`, etc.).
     pub fn agent_state_root(name: &str) -> PathBuf {
         PathBuf::from(format!("{AGENT_STATE_ROOT}/{name}"))