diff --git a/hw/mcu/nxp/lpc43xx/hal/dcd_lpc43xx.c b/hw/mcu/nxp/lpc43xx/hal/dcd_lpc43xx.c
index 0ebfea75..987d6728 100644
--- a/hw/mcu/nxp/lpc43xx/hal/dcd_lpc43xx.c
+++ b/hw/mcu/nxp/lpc43xx/hal/dcd_lpc43xx.c
@@ -52,6 +52,10 @@
 #include "device/usbd_dcd.h"
 #include "dcd_lpc43xx.h"
 
+#include "LPC43xx.h"
+#include "lpc43xx_cgu.h"
+
+
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF
 //--------------------------------------------------------------------+
diff --git a/hw/mcu/nxp/lpc43xx/hal/hal_lpc43xx.c b/hw/mcu/nxp/lpc43xx/hal/hal_lpc43xx.c
index b82829b5..8758dc73 100644
--- a/hw/mcu/nxp/lpc43xx/hal/hal_lpc43xx.c
+++ b/hw/mcu/nxp/lpc43xx/hal/hal_lpc43xx.c
@@ -36,12 +36,12 @@
 */
 /**************************************************************************/
 
-#include "hal_tusb.h"
 #include "tusb.h"
 
 #if TUSB_CFG_MCU == MCU_LPC43XX
 
-#include "lpc43xx_scu.h"
+#include "LPC43xx.h"
+#include "lpc43xx_cgu.h"
 
 enum {
   LPC43XX_USBMODE_DEVICE = 2,
@@ -53,6 +53,18 @@ enum {
   LPC43XX_USBMODE_VBUS_HIGH = 1
 };
 
+void hal_debugger_breakpoint(void)
+{
+  // M0 cannot check if debugger is attached or not
+#if defined(__CORTEX_M) && (__CORTEX_M > 0)
+  // check if debugger is attached
+  if ( (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) == CoreDebug_DHCSR_C_DEBUGEN_Msk)
+  {
+    __asm("BKPT #0\n");
+  }
+#endif
+}
+
 void hal_usb_int_enable(uint8_t port)
 {
   NVIC_EnableIRQ(port ? USB1_IRQn : USB0_IRQn);
diff --git a/hw/mcu/nxp/lpc43xx/hal/hal_tusb.h b/hw/mcu/nxp/lpc43xx/hal/hal_tusb.h
deleted file mode 100644
index f4de45b3..00000000
--- a/hw/mcu/nxp/lpc43xx/hal/hal_tusb.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     hal_lpc43xx.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    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 its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''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 THE COPYRIGHT HOLDER 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.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#ifndef _TUSB_HAL_MCU_H_
-#define _TUSB_HAL_MCU_H_
-
-#include "LPC43xx.h"
-#include "lpc43xx_cgu.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_HAL_MCU_H_ */
-
diff --git a/tinyusb/tusb_hal.h b/tinyusb/tusb_hal.h
index 1dc905dc..7560d6ff 100644
--- a/tinyusb/tusb_hal.h
+++ b/tinyusb/tusb_hal.h
@@ -53,9 +53,6 @@ extern "C" {
 #include "common/tusb_errors.h"
 #include "common/compiler/compiler.h"
 
-// from mcu port
-#include "hal_tusb.h"
-
 //--------------------------------------------------------------------+
 // HAL API
 //--------------------------------------------------------------------+
@@ -87,30 +84,8 @@ void hal_usb_int_enable(uint8_t port);
  */
 void hal_usb_int_disable(uint8_t port);
 
-
-
-
-static inline bool hal_debugger_is_attached(void)
-{
-// TODO check core M3/M4 defined instead
-#if !defined(_TEST_) && !(TUSB_CFG_MCU==MCU_LPC11UXX)
-  return ( (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) == CoreDebug_DHCSR_C_DEBUGEN_Msk );
-#elif TUSB_CFG_DEBUG == 3
-  return true; // force to break into breakpoint with debug = 3
-#else
-  return false;
-#endif
-}
-
-static inline void hal_debugger_breakpoint(void)
-{
-#ifndef _TEST_
-  if (hal_debugger_is_attached()) /* if there is debugger connected */
-  {
-    __asm("BKPT #0\n");
-  }
-#endif
-}
+// for debug only, halt mcu if assert/verify is failed if debugger is attached
+void hal_debugger_breakpoint(void);
 
 #ifdef __cplusplus
  }