diff --git a/AGENTS.md b/AGENTS.md
index b0184c1ba..9dab6d6e0 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -204,14 +204,6 @@ Verified against the current tree; sources in parentheses.
   typically the distribution shim (`~/.minimal/shim/bin/minimal`), distinct
   from anything this repo builds (justfile comments,
   `crates/minvmd/README.md`).
-- **`min session attach -c` is not a general remote shell.** The daemon's exec
-  handler accepts only `min run <task>`, `min package build [args...]`, and
-  `min check [args...]` (plus the internal `git-receive-pack min://` path);
-  anything else fails the channel. Task
-  execs inherit the session's no-net/host-net mode, but an own-IP session's
-  task exec currently falls back to host networking; use an interactive
-  attach when the session's network identity matters
-  (`crates/minimald/src/exec.rs`).
 
 ## CI lane map
 
diff --git a/crates/minimal/src/lib.rs b/crates/minimal/src/lib.rs
index 1e3463304..0e486ffca 100644
--- a/crates/minimal/src/lib.rs
+++ b/crates/minimal/src/lib.rs
@@ -446,7 +446,7 @@ pub struct AttachArgs {
     #[arg(add = completion::session_completer())]
     pub session: Option<String>,
     /// Command to exec in the session context (non-interactive)
-    #[arg(long, short)]
+    #[arg(long, short, hide = true)]
     pub command: Option<String>,
 }
 
@@ -1797,8 +1797,7 @@ fn ensure_interactive_attach_tty(stdin_is_tty: bool) -> Result<(), anyhow::Error
     } else {
         bail!(
             "`min session attach` needs an interactive terminal, but stdin is not a TTY. \
-             Run it from a terminal, or use `min session attach --command <cmd>` to run a \
-             single command non-interactively."
+             Run it from a terminal."
         )
     }
 }
@@ -2695,7 +2694,7 @@ mod tests {
             .unwrap_err()
             .to_string();
         assert!(
-            err.contains("not a TTY") && err.contains("--command"),
+            err.contains("not a TTY"),
             "expected an actionable non-TTY error, got: {err}"
         );
         ensure_interactive_attach_tty(true).expect("a real terminal must pass the guard");
diff --git a/docs/concepts/sessions.md b/docs/concepts/sessions.md
index 07b927119..44f255067 100644
--- a/docs/concepts/sessions.md
+++ b/docs/concepts/sessions.md
@@ -114,14 +114,6 @@ background, and `min session attach` rejoins it later. Changes you make inside s
 the session's workspace; bring them back to the host by pushing them out with
 `git push min://<session>`.
 
-To run a declared task non-interactively instead of opening a shell, pass
-`--command` (short `-c`). The command channel accepts only `min run <task name>`
-invocations; arbitrary commands need an interactive shell:
-
-```console
-$ min session attach my-session -c 'min run test'
-```
-
 ## How a session is composed
 
 A session's contents are not hand-configured. They are **composed** from
diff --git a/docs/guide/agents.md b/docs/guide/agents.md
index b86c33714..1392e288b 100644
--- a/docs/guide/agents.md
+++ b/docs/guide/agents.md
@@ -24,7 +24,7 @@ $ claude
 
 Claude Code launches inside the session with your project's source code and a read-only system containing the `claude-code` binary and core utilities from `base`. The session has no additional access to anything on your host system unless you explicitly declare it.
 
-Note that sessions are driven interactively: attaching needs a terminal, and the non-interactive `min session attach -c` channel accepts only `min run <task>` invocations. Launch the agent from inside an attached shell as shown above, rather than scripting it from the host.
+Note that sessions are driven interactively: attaching needs a terminal. Launch the agent from inside an attached shell as shown above, rather than scripting it from the host.
 
 ## Adding more tools
 
diff --git a/docs/reference/cli-min.md b/docs/reference/cli-min.md
index bfa4910a5..ff62e8dd5 100644
--- a/docs/reference/cli-min.md
+++ b/docs/reference/cli-min.md
@@ -73,16 +73,13 @@ the current directory).
 ### `session attach`
 
 ```
-min session attach [-c <COMMAND>] [SESSION]
+min session attach [SESSION]
 ```
 
 Attaches to an existing session, identified by UUID or session name. When
 `SESSION` is omitted, `min session attach` resolves a session from the current
 working directory (or the only existing session) and opens an interactive
 picker if the choice is ambiguous (`--no-input` errors instead).
-`-c/--command` execs a command in the session context non-interactively
-instead of opening an interactive shell; the daemon accepts only
-`min run <task name>` invocations on this channel, not arbitrary commands.
 
 ### `session destroy`