diff --git a/src/msg/async/PosixStack.h b/src/msg/async/PosixStack.h
index f0f29d43632..1263054f23d 100644
--- a/src/msg/async/PosixStack.h
+++ b/src/msg/async/PosixStack.h
@@ -26,7 +26,6 @@
 
 class PosixWorker : public Worker {
   NetHandler net;
-  std::thread t;
   virtual void initialize();
  public:
   PosixWorker(CephContext *c, unsigned i)