Without the comment

client/internal/peer/conn.go

@@ -307,12 +307,6 @@ func (conn *Conn) Close(signalToRemote bool) {
 
 	if conn.wgWatcherCancel != nil {
 		conn.wgWatcherCancel()
-		// The Conn struct is reused across lazy deactivate/activate. ctxCancel above
-		// already stopped the watcher goroutine (its ctx derives from conn.ctx), but
-		// enableWgWatcherIfNeeded skips while conn.wgWatcher is non-nil — so a stale
-		// pointer here would leave the peer with no watcher after the next Open, and thus
-		// no WireGuard handshake-timeout detection once a lazy connection has idled and
-		// woken. Clear it so the next Open starts a fresh watcher.
 		conn.wgWatcher = nil
 		conn.wgWatcherCancel = nil
 	}