diff --git a/src/mon/MonClient.h b/src/mon/MonClient.h
index 2c7051bdb183f..035b08db7c19e 100644
--- a/src/mon/MonClient.h
+++ b/src/mon/MonClient.h
@@ -297,6 +297,8 @@ class MonClient : public Dispatcher {
 
  public:
   explicit MonClient(CephContext *cct_);
+  MonClient(const MonClient &) = delete;
+  MonClient& operator=(const MonClient &) = delete;
   ~MonClient();
 
   int init();
@@ -459,8 +461,6 @@ class MonClient : public Dispatcher {
   void handle_get_version_reply(MMonGetVersionReply* m);
 
 
-  MonClient(const MonClient &rhs);
-  MonClient& operator=(const MonClient &rhs);
 };
 
 #endif