diff --git a/src/hci.h b/src/hci.h
index f1125e235..b52d94fb3 100644
--- a/src/hci.h
+++ b/src/hci.h
@@ -55,6 +55,7 @@
 #include "hci_cmd.h"
 #include "gap.h"
 #include "hci_transport.h"
+#include "btstack_run_loop.h"
 
 #ifdef ENABLE_BLE
 #include "ble/att_db.h"
diff --git a/src/hci_transport.h b/src/hci_transport.h
index 2a6e93b85..8767e124a 100644
--- a/src/hci_transport.h
+++ b/src/hci_transport.h
@@ -49,19 +49,12 @@
 #include <stdint.h>
 #include "btstack_uart_block.h"
 #include "btstack_em9304_spi.h"
-#include "btstack_run_loop.h"
+#include "btstack_defines.h"
 
 #if defined __cplusplus
 extern "C" {
 #endif
 
-/**
- * packet types - used in BTstack and over the H4 UART interface
- */
-#define HCI_COMMAND_DATA_PACKET 0x01
-#define HCI_ACL_DATA_PACKET     0x02
-#define HCI_SCO_DATA_PACKET     0x03
-#define HCI_EVENT_PACKET        0x04
     
 /* API_START */