diff --git a/src/mon/MonClient.cc b/src/mon/MonClient.cc
index da843269ac9..b926076961c 100644
--- a/src/mon/MonClient.cc
+++ b/src/mon/MonClient.cc
@@ -1003,7 +1003,7 @@ void MonClient::handle_mon_command_ack(MMonCommandAck *ack)
   ack->put();
 }
 
-int MonClient::_cancel_mon_command(uint64_t tid, int r)
+int MonClient::_cancel_mon_command(uint64_t tid)
 {
   assert(monc_lock.is_locked());
 
@@ -1053,7 +1053,7 @@ void MonClient::start_mon_command(const vector<string>& cmd,
       public:
       C_CancelMonCommand(uint64_t tid, MonClient *monc) : tid(tid), monc(monc) {}
       void finish(int r) override {
-	monc->_cancel_mon_command(tid, -ETIMEDOUT);
+	monc->_cancel_mon_command(tid);
       }
     };
     r->ontimeout = new C_CancelMonCommand(r->tid, this);
diff --git a/src/mon/MonClient.h b/src/mon/MonClient.h
index 9656db0ee71..be24d7a6706 100644
--- a/src/mon/MonClient.h
+++ b/src/mon/MonClient.h
@@ -432,7 +432,7 @@ private:
 
   void _send_command(MonCommand *r);
   void _resend_mon_commands();
-  int _cancel_mon_command(uint64_t tid, int r);
+  int _cancel_mon_command(uint64_t tid);
   void _finish_command(MonCommand *r, int ret, string rs);
   void _finish_auth();
   void handle_mon_command_ack(MMonCommandAck *ack);