diff --git a/src/shrpx_accesslog.cc b/src/shrpx_accesslog.cc
index 290d0798..25d69fa5 100644
--- a/src/shrpx_accesslog.cc
+++ b/src/shrpx_accesslog.cc
@@ -63,31 +63,6 @@ void upstream_connect(const std::string& client_ip)
   }
 }
 
-void upstream_spdy_stream(const std::string& client_ip, int32_t stream_id)
-{
-  char datestr[64];
-  get_datestr(datestr);
-  fprintf(stderr, "%s [%s] SYN_STREAM %d\n", client_ip.c_str(), datestr,
-          stream_id);
-  fflush(stderr);
-  if(get_config()->use_syslog) {
-    syslog(LOG_INFO, "%s SYN_STREAM %d\n", client_ip.c_str(), stream_id);
-  }
-}
-
-void upstream_spdy_stream_close(const std::string& client_ip,
-                                int32_t stream_id)
-{
-  char datestr[64];
-  get_datestr(datestr);
-  fprintf(stderr, "%s [%s] STREAM_CLOSE %d\n",
-          client_ip.c_str(), datestr, stream_id);
-  fflush(stderr);
-  if(get_config()->use_syslog) {
-    syslog(LOG_INFO, "%s STREAM_CLOSE %d\n", client_ip.c_str(), stream_id);
-  }
-}
-
 namespace {
 const char* status_code_color(int status_code)
 {
diff --git a/src/shrpx_accesslog.h b/src/shrpx_accesslog.h
index 921c1223..f3569f42 100644
--- a/src/shrpx_accesslog.h
+++ b/src/shrpx_accesslog.h
@@ -34,9 +34,6 @@ namespace shrpx {
 class Downstream;
 
 void upstream_connect(const std::string& client_ip);
-void upstream_spdy_stream(const std::string& client_ip, int32_t stream_id);
-void upstream_spdy_stream_close(const std::string& client_ip,
-                                int32_t stream_id);
 void upstream_response(const std::string& client_ip, int status_code,
                        Downstream *downstream);
 
diff --git a/src/shrpx_spdy_upstream.cc b/src/shrpx_spdy_upstream.cc
index 3917e082..b3f5ac88 100644
--- a/src/shrpx_spdy_upstream.cc
+++ b/src/shrpx_spdy_upstream.cc
@@ -99,10 +99,6 @@ void on_stream_close_callback
                          << " is being closed";
   }
   Downstream *downstream = upstream->find_downstream(stream_id);
-  if(get_config()->accesslog) {
-    upstream_spdy_stream_close(upstream->get_client_handler()->get_ipaddr(),
-                               stream_id);
-  }
   if(downstream) {
     if(downstream->get_request_state() == Downstream::CONNECT_FAIL) {
       upstream->remove_downstream(downstream);
@@ -219,10 +215,6 @@ void on_ctrl_recv_callback
       upstream->rst_stream(downstream, SPDYLAY_INTERNAL_ERROR);
       return;
     }
-    if(get_config()->accesslog) {
-      upstream_spdy_stream(upstream->get_client_handler()->get_ipaddr(),
-                           frame->syn_stream.stream_id);
-    }
     downstream->set_request_state(Downstream::HEADER_COMPLETE);
     if(frame->syn_stream.hd.flags & SPDYLAY_CTRL_FLAG_FIN) {
       downstream->set_request_state(Downstream::MSG_COMPLETE);