diff --git a/deps/oblib/src/rpc/frame/ob_req_transport.cpp b/deps/oblib/src/rpc/frame/ob_req_transport.cpp
index 7b576fe0b1..391f8b7420 100644
--- a/deps/oblib/src/rpc/frame/ob_req_transport.cpp
+++ b/deps/oblib/src/rpc/frame/ob_req_transport.cpp
@@ -126,7 +126,7 @@ int async_cb(easy_request_t *r)
 
       if (cb_cloned) {
         LOG_DEBUG("reset rcode", K(cb_cloned));
-        cb->reset_rcode();
+        cb->~AsyncCB();
       }
     }
   } else {