diff --git a/src/shrpx_http2_downstream_connection.cc b/src/shrpx_http2_downstream_connection.cc
index 18de7e78..bb7e60dc 100644
--- a/src/shrpx_http2_downstream_connection.cc
+++ b/src/shrpx_http2_downstream_connection.cc
@@ -479,8 +479,7 @@ int Http2DownstreamConnection::resume_read(IOCtrlReason reason,
                                            size_t consumed) {
   int rv;
 
-  if (http2session_->get_state() != Http2Session::CONNECTED ||
-      !http2session_->get_flow_control()) {
+  if (http2session_->get_state() != Http2Session::CONNECTED) {
     return 0;
   }
 
diff --git a/src/shrpx_http2_session.cc b/src/shrpx_http2_session.cc
index 6d5f4d43..1ad416fb 100644
--- a/src/shrpx_http2_session.cc
+++ b/src/shrpx_http2_session.cc
@@ -197,8 +197,7 @@ Http2Session::Http2Session(struct ev_loop *loop, SSL_CTX *ssl_ctx,
       session_(nullptr),
       state_(DISCONNECTED),
       connection_check_state_(CONNECTION_CHECK_NONE),
-      freelist_zone_(FREELIST_ZONE_NONE),
-      flow_control_(false) {
+      freelist_zone_(FREELIST_ZONE_NONE) {
   read_ = write_ = &Http2Session::noop;
 
   on_read_ = &Http2Session::read_noop;
@@ -675,8 +674,6 @@ int Http2Session::submit_rst_stream(int32_t stream_id, uint32_t error_code) {
 
 nghttp2_session *Http2Session::get_session() const { return session_; }
 
-bool Http2Session::get_flow_control() const { return flow_control_; }
-
 int Http2Session::resume_data(Http2DownstreamConnection *dconn) {
   assert(state_ == CONNECTED);
   auto downstream = dconn->get_downstream();
@@ -1525,8 +1522,6 @@ int Http2Session::connection_made() {
     return -1;
   }
 
-  flow_control_ = true;
-
   std::array<nghttp2_settings_entry, 3> entry;
   size_t nentry = 2;
   entry[0].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
diff --git a/src/shrpx_http2_session.h b/src/shrpx_http2_session.h
index a3b0a223..615b1020 100644
--- a/src/shrpx_http2_session.h
+++ b/src/shrpx_http2_session.h
@@ -96,8 +96,6 @@ public:
 
   nghttp2_session *get_session() const;
 
-  bool get_flow_control() const;
-
   int resume_data(Http2DownstreamConnection *dconn);
 
   int connection_made();
@@ -264,7 +262,6 @@ private:
   int state_;
   int connection_check_state_;
   int freelist_zone_;
-  bool flow_control_;
 };
 
 nghttp2_session_callbacks *create_http2_downstream_callbacks();