diff --git a/src/daemon.c b/src/daemon.c
index 245d34181..a88dcf6a7 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -65,7 +65,7 @@
 #endif
 
 #ifdef HAVE_TRANSPORT_H4
-#include "hci_transport_h4.h"
+#include "hci_transport.h"
 #endif
 
 #ifdef HAVE_TRANSPORT_USB
diff --git a/src/hci_dump.c b/src/hci_dump.c
index 3daec6fa1..93d84856c 100644
--- a/src/hci_dump.c
+++ b/src/hci_dump.c
@@ -43,7 +43,7 @@
 
 #include "hci_dump.h"
 #include "hci.h"
-#include "hci_transport_h4.h"
+#include "hci_transport.h"
 
 #include <fcntl.h>        // open
 #include <arpa/inet.h>    // hton..
diff --git a/src/hci_transport.h b/src/hci_transport.h
index acd9444cc..fb4fd9708 100644
--- a/src/hci_transport.h
+++ b/src/hci_transport.h
@@ -62,3 +62,8 @@ typedef struct {
 typedef struct {
     // unique usb device identifier
 } hci_libusb_config_t;
+
+// inline hci_transport_h4.h
+extern hci_transport_t * hci_transport_h4_instance();
+
+
diff --git a/src/hci_transport_h4.c b/src/hci_transport_h4.c
index c6144985b..c51e54ee0 100644
--- a/src/hci_transport_h4.c
+++ b/src/hci_transport_h4.c
@@ -43,7 +43,7 @@
 #include <string.h>
 
 #include "hci.h"
-#include "hci_transport_h4.h"
+#include "hci_transport.h"
 #include "hci_dump.h"
 
 typedef enum {
diff --git a/src/hci_transport_h4.h b/src/hci_transport_h4.h
deleted file mode 100644
index 63dab74c5..000000000
--- a/src/hci_transport_h4.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2009 by Matthias Ringwald
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the copyright holders nor the names of
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
- * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
- * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-/*
- *  hci_h4_transport.h
- *
- *  Created by Matthias Ringwald on 4/29/09.
- *
- */
-#pragma once
-
-#include "hci_transport.h"
-
-extern hci_transport_t * hci_transport_h4_instance();