diff --git a/port/esp32/template/components/btstack/include/btstack_config.h b/port/esp32/template/components/btstack/include/btstack_config.h
index 83dd057e6..558517cfc 100644
--- a/port/esp32/template/components/btstack/include/btstack_config.h
+++ b/port/esp32/template/components/btstack/include/btstack_config.h
@@ -40,7 +40,13 @@
 // 
 
 // HCI Controller to Host Flow Control
-#define ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL
+//
+// Needed on the ESP32, but not working yet
+// see https://github.com/espressif/esp-idf/issues/480
+//
+// #define ENABLE_HCI_CONTROLLER_TO_HOST_FLOW_CONTROL
+
+// Interal ring buffer
 #define HCI_HOST_ACL_PACKET_NUM 10
 #define HCI_HOST_ACL_PACKET_LEN 1024
 #define HCI_HOST_SCO_PACKET_NUM 10
diff --git a/port/esp32/template/components/btstack/main.c b/port/esp32/template/components/btstack/main.c
index 220db0534..a6205fcb5 100644
--- a/port/esp32/template/components/btstack/main.c
+++ b/port/esp32/template/components/btstack/main.c
@@ -301,7 +301,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
 
 static void btstack_setup(void){
 
-    hci_dump_open(NULL, HCI_DUMP_STDOUT);
+    // enable packet logger
+    // hci_dump_open(NULL, HCI_DUMP_STDOUT);
 
     /// GET STARTED with BTstack ///
     btstack_memory_init();