diff --git a/examples/host/cdc_msc_hid_freertos/CMakeLists.txt b/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
index 2e95a18e0..b4004f8d7 100644
--- a/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
+++ b/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
@@ -20,7 +20,6 @@ add_executable(${PROJECT})
 # Example source
 target_sources(${PROJECT} PUBLIC
   ${CMAKE_CURRENT_SOURCE_DIR}/src/cdc_app.c
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/hid_app.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/msc_app.c
diff --git a/examples/host/cdc_msc_hid_freertos/Makefile b/examples/host/cdc_msc_hid_freertos/Makefile
index bf4725f47..67fbb9af3 100644
--- a/examples/host/cdc_msc_hid_freertos/Makefile
+++ b/examples/host/cdc_msc_hid_freertos/Makefile
@@ -13,7 +13,6 @@ INC += \
 # Example source
 EXAMPLE_SOURCE = \
   src/cdc_app.c \
-  src/freertos_hook.c \
   src/hid_app.c \
   src/main.c \
   src/msc_app.c \
diff --git a/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c b/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c
deleted file mode 100644
index 07d159fd5..000000000
--- a/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-void vApplicationMallocFailedHook(void) {
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false,);
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName) {
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false,);
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory(StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer,
-                                   uint32_t *pulIdleTaskStackSize) {
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[configMINIMAL_STACK_SIZE];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory(StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer,
-                                    uint32_t *pulTimerTaskStackSize) {
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[configTIMER_TASK_STACK_DEPTH];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8);
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif