diff --git a/a8/udplistener.cc b/a8/udplistener.cc
index 488d045..6d086ba 100644
--- a/a8/udplistener.cc
+++ b/a8/udplistener.cc
@@ -15,7 +15,9 @@
 #include <a8/a8.h>
 #include <a8/udplistener.h>
 
+#if 0
 #include <f8/udplog.h>
+#endif
 
 namespace a8
 {
@@ -116,12 +118,14 @@ namespace a8
                                      (struct sockaddr*)&from_addr,
                                      (socklen_t*)&addr_len);
                 if(ret > 0) {
+                    #if 0
                     f8::UdpLog::Instance()->Debug("recvfrom host:%s port:%d buflen:%d",
                                                   {
                                                    inet_ntoa(from_addr.sin_addr),
                                                    from_addr.sin_port,
                                                    ret
                                                   });
+                    #endif
                     a8::UdpPacket* pkt = new a8::UdpPacket();
                     pkt->buf = (char*)malloc(ret + 1);
                     memmove((void*)pkt->buf, recv_buf, ret);
@@ -129,10 +133,12 @@ namespace a8
                     pkt->remote_addr = from_addr;
                     master->on_recv_packet(pkt);
                 } else {
+                    #if 0
                     f8::UdpLog::Instance()->Debug("recvfrom error ret:%d",
                                                   {
                                                    ret
                                                   });
+                    #endif
                 }
             }
         }