diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index f77cf94e..538daa17 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -84,8 +84,6 @@
   // Endian conversion use well-known host to network (big endian) naming
   #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
     #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
-    #define TU_ENDIAN_LITTLE_BEGIN
-    #define TU_ENDIAN_LITTLE_END
   #else
     #define TU_BYTE_ORDER TU_BIG_ENDIAN
   #endif
@@ -153,21 +151,13 @@
   // Endian conversion use well-known host to network (big endian) naming
   #if defined(__LIT)
     #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
-    #define TU_ENDIAN_LITTLE_BEGIN
-    #define TU_ENDIAN_LITTLE_END
   #else
     #define TU_BYTE_ORDER TU_BIG_ENDIAN
-    #define TU_ENDIAN_LITTLE_BEGIN _Pragma("endian little")
-    #define TU_ENDIAN_LITTLE_END _Pragma("endian")
   #endif
 
   #define TU_BSWAP16(u16) ((unsigned short)_builtin_revw((unsigned long)u16))
   #define TU_BSWAP32(u32) (_builtin_revl(u32))
 
-  /* activate the "aligned" emulation, because this toolchain does not know
-     the aligned attribute (or something similar yet) */
-  #define TU_HAS_NO_ATTR_ALIGNED
-
 #else 
   #error "Compiler attribute porting is required"
 #endif
diff --git a/src/device/usbd.c b/src/device/usbd.c
index cedca540..00ec29c9 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -1156,14 +1156,14 @@ void usbd_defer_func(osal_task_func_t func, void* param, bool in_isr)
 
 bool usbd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep)
 {
-  TU_LOG2("  Open EP %02X with Size = %u\r\n", desc_ep->bEndpointAddress, desc_ep->wMaxPacketSize.size);
+  TU_LOG2("  Open EP %02X with Size = %u\r\n", desc_ep->bEndpointAddress, tu_le16toh(desc_ep->wMaxPacketSize.size));
 
   switch (desc_ep->bmAttributes.xfer)
   {
     case TUSB_XFER_ISOCHRONOUS:
     {
       uint16_t const max_epsize = (_usbd_dev.speed == TUSB_SPEED_HIGH ? 1024 : 1023);
-      TU_ASSERT(desc_ep->wMaxPacketSize.size <= max_epsize);
+      TU_ASSERT(tu_le16toh(desc_ep->wMaxPacketSize.size) <= max_epsize);
     }
     break;
 
diff --git a/src/device/usbd_control.c b/src/device/usbd_control.c
index b3bab2e3..5483406e 100644
--- a/src/device/usbd_control.c
+++ b/src/device/usbd_control.c
@@ -55,17 +55,9 @@ typedef struct
 
 static usbd_control_xfer_t _ctrl_xfer;
 
-#if defined(TU_HAS_NO_ATTR_ALIGNED)
-// Helper union to overcome the lack of the alignment attribute/pragma
-static union {
-  uint16_t : (sizeof(uint16_t) * 8);  // Alignment of at least the size of the used type
-  uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE];
-} Align_usbd_ctrl_buf_;
-static uint8_t *_usbd_ctrl_buf = (uint8_t*)&Align_usbd_ctrl_buf_;
-#else
 CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN
 static uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE];
-#endif
+
 
 //--------------------------------------------------------------------+
 // Application API
diff --git a/src/osal/osal_freertos.h b/src/osal/osal_freertos.h
index ec33b317..66070c27 100644
--- a/src/osal/osal_freertos.h
+++ b/src/osal/osal_freertos.h
@@ -51,7 +51,6 @@ static inline void osal_task_delay(uint32_t msec)
 typedef StaticSemaphore_t osal_semaphore_def_t;
 typedef SemaphoreHandle_t osal_semaphore_t;
 
-#if (configSUPPORT_STATIC_ALLOCATION == 1)  //FIXME Only static API supported
 static inline osal_semaphore_t osal_semaphore_create(osal_semaphore_def_t* semdef)
 {
   return xSemaphoreCreateBinaryStatic(semdef);
@@ -77,7 +76,6 @@ static inline bool osal_semaphore_post(osal_semaphore_t sem_hdl, bool in_isr)
     return res != 0;
   }
 }
-#endif
 
 static inline bool osal_semaphore_wait (osal_semaphore_t sem_hdl, uint32_t msec)
 {
@@ -98,12 +96,7 @@ typedef SemaphoreHandle_t osal_mutex_t;
 
 static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef)
 {
-#if (configSUPPORT_STATIC_ALLOCATION == 0) //FIXME Only static API supported
-  (void)mdef;
-  return xSemaphoreCreateMutex();
-#else
   return xSemaphoreCreateMutexStatic(mdef);
-#endif
 }
 
 static inline bool osal_mutex_lock (osal_mutex_t mutex_hdl, uint32_t msec)
@@ -138,11 +131,7 @@ typedef QueueHandle_t osal_queue_t;
 
 static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef)
 {
-#if defined(__Tx36V5_Maincard__)
-  return xQueueCreate(qdef->depth, qdef->item_sz);
-#else
   return xQueueCreateStatic(qdef->depth, qdef->item_sz, (uint8_t*) qdef->buf, &qdef->sq);
-#endif
 }
 
 static inline bool osal_queue_receive(osal_queue_t qhdl, void* data)
@@ -150,19 +139,6 @@ static inline bool osal_queue_receive(osal_queue_t qhdl, void* data)
   return xQueueReceive(qhdl, data, portMAX_DELAY);
 }
 
-#if defined(__Tx36V5_Maincard__)
-extern BaseType_t UsbTaskWoken;
-static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr)
-{
-  if (!in_isr) {
-    return(xQueueSendToBack(qhdl, data, OSAL_TIMEOUT_WAIT_FOREVER));
-
-  } else {
-    BaseType_t res = xQueueSendToBackFromISR(qhdl, data, &UsbTaskWoken);
-    return(res != 0);
-  }
-}
-#else
 static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr)
 {
   if ( !in_isr )
@@ -183,7 +159,6 @@ static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in
     return res != 0;
   }
 }
-#endif
 
 static inline bool osal_queue_empty(osal_queue_t qhdl)
 {
diff --git a/src/portable/renesas/usba/dcd_usba.c b/src/portable/renesas/usba/dcd_usba.c
index 13fc50ae..51729de0 100644
--- a/src/portable/renesas/usba/dcd_usba.c
+++ b/src/portable/renesas/usba/dcd_usba.c
@@ -518,22 +518,13 @@ static void process_set_address(uint8_t rhport)
 {
   const uint32_t addr = USB0.USBADDR.BIT.USBADDR;
   if (!addr) return;
-#if defined(__CCRX__)
-  tusb_control_request_t setup_packet;
-  setup_packet.bmRequestType = 0;
-  setup_packet.bRequest = 5;
-  setup_packet.wValue = addr;
-  setup_packet.wIndex = 0;
-  setup_packet.wLength = 0;
-#else
   const tusb_control_request_t setup_packet = {
-      .bmRequestType = 0,
+      .bmRequestType = { 0 },  /* Note: CCRX needs the braces over this struct member */
       .bRequest      = 5,
       .wValue        = addr,
       .wIndex        = 0,
       .wLength       = 0,
     };
-#endif
   dcd_event_setup_received(rhport, (const uint8_t*)&setup_packet, true);
 }