diff --git a/plugins/sample/plugin_sample_app.c b/plugins/sample/plugin_sample_app.c
index 76abde44..f6acd2e7 100644
--- a/plugins/sample/plugin_sample_app.c
+++ b/plugins/sample/plugin_sample_app.c
@@ -551,18 +551,6 @@ static int sample_app_plugin_request(neu_plugin_t *plugin, neu_request_t *req)
         break;
     }
 
-    case NEU_REQRESP_UPDATE_LIC: {
-        neu_reqresp_update_lic_t *lic_update = req->buf;
-        assert(req->buf_len == sizeof(*lic_update));
-        log_info("sample app receive license update request:`%s`",
-                 lic_update->lic_fname);
-        neu_plugin_send_lic_cmd(plugin, plugin_get_event_id(plugin),
-                                NEURON_LIC_FNAME, NEURON_LIC_KEY_LICENSE_TYPE);
-        log_info("Send get license:`%s` key:`%s`", NEURON_LIC_FNAME,
-                 NEURON_LIC_KEY_LICENSE_TYPE);
-        break;
-    }
-
     default:
         break;
     }