diff --git a/proxy/http2/Http2ClientSession.cc b/proxy/http2/Http2ClientSession.cc
index 0ab4d9fd362..ce512582de6 100644
--- a/proxy/http2/Http2ClientSession.cc
+++ b/proxy/http2/Http2ClientSession.cc
@@ -288,7 +288,6 @@ void
 Http2ClientSession::flush()
 {
   if (this->_pending_sending_data_size > 0) {
-    total_write_len += this->_pending_sending_data_size;
     this->_pending_sending_data_size = 0;
     this->_write_buffer_last_flush   = Thread::get_hrtime();
     write_reenable();
diff --git a/proxy/http2/Http2ClientSession.h b/proxy/http2/Http2ClientSession.h
index 5e2b00db78e..782854ba092 100644
--- a/proxy/http2/Http2ClientSession.h
+++ b/proxy/http2/Http2ClientSession.h
@@ -136,7 +136,6 @@ class Http2ClientSession : public ProxySession
 
   bool _should_do_something_else();
 
-  int64_t total_write_len             = 0;
   SessionHandler session_handler      = nullptr;
   MIOBuffer *read_buffer              = nullptr;
   IOBufferReader *_reader             = nullptr;