diff --git a/tinyusb/common/assertion.h b/tinyusb/common/assertion.h
index 6689d66e8..d7dcbe603 100644
--- a/tinyusb/common/assertion.h
+++ b/tinyusb/common/assertion.h
@@ -85,26 +85,6 @@ extern "C"
     ASSERT_DEFINE(tusb_error_t status = (tusb_error_t)(sts),\
                   TUSB_ERROR_NONE == status, status, "%s", tusb_strerr[status])
 
-//--------------------------------------------------------------------+
-// Integral Assert
-//--------------------------------------------------------------------+
-#define ASSERT_XXX_WITHIN(type_format, lower, upper, actual, error) \
-    ASSERT_DEFINE( uint32_t low = (lower); uint32_t up = (upper); uint32_t act = (actual),\
-                   (low <= act) && (act <= up),\
-                   error,\
-                   "expected within " type_format " - " type_format ", actual " type_format, low, up, act)
-
-//--------------------------------------------------------------------+
-// Integer Assert
-//--------------------------------------------------------------------+
-#define ASSERT_INT_WITHIN(...) ASSERT_XXX_WITHIN("%d", __VA_ARGS__)
-
-//--------------------------------------------------------------------+
-// Hex Assert
-//--------------------------------------------------------------------+
-#define ASSERT_HEX_WITHIN(...) ASSERT_XXX_WITHIN("0x%x", __VA_ARGS__)
-
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/tinyusb/common/verify.h b/tinyusb/common/verify.h
index 4704dede0..25ab3e1bf 100644
--- a/tinyusb/common/verify.h
+++ b/tinyusb/common/verify.h
@@ -61,9 +61,8 @@
 // VERIFY Helper
 //--------------------------------------------------------------------+
 #if TUSB_CFG_DEBUG >= 1
-//  #define _VERIFY_MESS(format, ...) cprintf("[%08ld] %s: %d: verify failed\n", get_millis(), __func__, __LINE__)
-  #define _VERIFY_MESS(_status)   printf("%s: %d: verify failed, error = %s\n", __PRETTY_FUNCTION__, __LINE__, tusb_strerr[_status]);
-  #define _ASSERT_MESS()          printf("%s: %d: assert failed\n", __PRETTY_FUNCTION__, __LINE__);
+  #define _VERIFY_MESS(_status)   printf("%s: %d: failed, error = %s\n", __PRETTY_FUNCTION__, __LINE__, tusb_strerr[_status])
+  #define _FAILED_MESS()          printf("%s: %d: failed\n", __PRETTY_FUNCTION__, __LINE__)
 #else
   #define _VERIFY_MESS(_status)
   #define _ASSERT_MESS()
@@ -94,19 +93,19 @@ static inline void verify_breakpoint(void)
 #define GET_4TH_ARG(arg1, arg2, arg3, arg4, ...)  arg4
 
 /*------------- Generator for VERIFY and VERIFY_HDLR -------------*/
-#define VERIFY_DEFINE(_cond, _handler, _error)  do { if ( !(_cond) ) { _handler return _error;  } } while(0)
+#define VERIFY_DEFINE(_cond, _handler, _error)  do { if ( !(_cond) ) { _handler; return _error;  } } while(0)
 
 /*------------- Generator for VERIFY_STATUS and VERIFY_STATUS_HDLR -------------*/
 #define VERIFY_STS_DEF2(sts, _handler)  \
     do {                                              \
       uint32_t _status = (uint32_t)(sts);             \
-      if ( 0 != _status ) { _VERIFY_MESS(_status) _handler return _status; }\
+      if ( 0 != _status ) { _VERIFY_MESS(_status); _handler; return _status; }\
     } while(0)
 
 #define VERIFY_STS_DEF3(sts, _handler, _error)  \
     do {                                              \
       uint32_t _status = (uint32_t)(sts);             \
-      if ( 0 != _status ) { _VERIFY_MESS(_status) _handler return _error; }\
+      if ( 0 != _status ) { _VERIFY_MESS(_status); _handler; return _error; }\
     } while(0)
 
 
@@ -128,8 +127,8 @@ static inline void verify_breakpoint(void)
  * - VERIFY_HDLR_2ARGS : execute handler, return false if failed
  * - VERIFY_HDLR_3ARGS : execute handler, return provided error if failed
  *------------------------------------------------------------------*/
-#define VERIFY_HDLR_2ARGS(cond, _handler)             VERIFY_DEFINE(cond, _handler; , false)
-#define VERIFY_HDLR_3ARGS(cond, _handler, _error)     VERIFY_DEFINE(cond, _handler; , _error)
+#define VERIFY_HDLR_2ARGS(cond, _handler)             VERIFY_DEFINE(cond, _handler, false)
+#define VERIFY_HDLR_3ARGS(cond, _handler, _error)     VERIFY_DEFINE(cond, _handler, _error)
 
 #define VERIFY_HDLR(...)              GET_4TH_ARG(__VA_ARGS__, VERIFY_HDLR_3ARGS, VERIFY_HDLR_2ARGS)(__VA_ARGS__)
 
@@ -149,8 +148,8 @@ static inline void verify_breakpoint(void)
  * - VERIFY_STS_HDLR_2ARGS : execute handler, return status if failed
  * - VERIFY_STS_HDLR_3ARGS : execute handler, return provided error if failed
  *------------------------------------------------------------------*/
-#define VERIFY_STS_HDLR_2ARGS(sts, _handler)          VERIFY_STS_DEF2(sts, _handler;)
-#define VERIFY_STS_HDLR_3ARGS(sts, _handler, _error)  VERIFY_STS_DEF3(sts, _handler; , _error)
+#define VERIFY_STS_HDLR_2ARGS(sts, _handler)          VERIFY_STS_DEF2(sts, _handler)
+#define VERIFY_STS_HDLR_3ARGS(sts, _handler, _error)  VERIFY_STS_DEF3(sts, _handler, _error)
 
 #define VERIFY_STATUS_HDLR(...)       GET_4TH_ARG(__VA_ARGS__, VERIFY_STS_HDLR_3ARGS, VERIFY_STS_HDLR_2ARGS)(__VA_ARGS__)
 
@@ -162,8 +161,8 @@ static inline void verify_breakpoint(void)
  * - 1 arg : return false if failed
  * - 2 arg : return error if failed
  *------------------------------------------------------------------*/
-#define ASSERT_1ARGS(cond)                VERIFY_DEFINE(cond, verify_breakpoint(); , false)
-#define ASSERT_2ARGS(cond, _error)        VERIFY_DEFINE(cond, verify_breakpoint(); , _error)
+#define ASSERT_1ARGS(cond)                VERIFY_DEFINE(cond, _FAILED_MESS(); verify_breakpoint(), false)
+#define ASSERT_2ARGS(cond, _error)        VERIFY_DEFINE(cond, _FAILED_MESS(); verify_breakpoint(), _error)
 
 #define TU_ASSERT(...)                GET_3RD_ARG(__VA_ARGS__, ASSERT_2ARGS, ASSERT_1ARGS)(__VA_ARGS__)
 
@@ -171,8 +170,8 @@ static inline void verify_breakpoint(void)
 /* ASSERT Error
  * basically VERIFY Error with verify_breakpoint() as handler
  *------------------------------------------------------------------*/
-#define ASERT_ERR_1ARGS(_err)             VERIFY_STS_DEF2(_err, verify_breakpoint();)
-#define ASERT_ERR_2ARGS(_err, _ret)       VERIFY_STS_DEF3(_err, verify_breakpoint();, _ret)
+#define ASERT_ERR_1ARGS(_err)             VERIFY_STS_DEF2(_err, verify_breakpoint())
+#define ASERT_ERR_2ARGS(_err, _ret)       VERIFY_STS_DEF3(_err, verify_breakpoint(), _ret)
 
 #define ASSERT_ERR(...)               GET_3RD_ARG(__VA_ARGS__, ASERT_ERR_2ARGS, ASERT_ERR_1ARGS)(__VA_ARGS__)
 
diff --git a/tinyusb/host/ehci/ehci.c b/tinyusb/host/ehci/ehci.c
index 3fc629fde..a14779ca2 100644
--- a/tinyusb/host/ehci/ehci.c
+++ b/tinyusb/host/ehci/ehci.c
@@ -958,7 +958,7 @@ static void qhd_init(ehci_qhd_t *p_qhd, uint8_t dev_addr, uint16_t max_packet_si
   {
     if (TUSB_SPEED_HIGH == p_qhd->endpoint_speed)
     {
-      ASSERT_INT_WITHIN(1, 16, interval, VOID_RETURN);
+      TU_ASSERT( interval <= 16, VOID_RETURN);
       if ( interval < 4) // sub milisecond interval
       {
         p_qhd->interval_ms     = 0;
diff --git a/tinyusb/host/usbh.c b/tinyusb/host/usbh.c
index e0be32e3f..25856f6a8 100644
--- a/tinyusb/host/usbh.c
+++ b/tinyusb/host/usbh.c
@@ -128,7 +128,7 @@ static inline uint8_t get_configure_number_for_device(tusb_desc_device_t* dev_de
 //--------------------------------------------------------------------+
 tusb_device_state_t tuh_device_get_state (uint8_t const dev_addr)
 {
-  ASSERT_INT_WITHIN(1, TUSB_CFG_HOST_DEVICE_MAX, dev_addr, TUSB_DEVICE_STATE_INVALID_PARAMETER);
+  TU_ASSERT( dev_addr <= TUSB_CFG_HOST_DEVICE_MAX, TUSB_DEVICE_STATE_INVALID_PARAMETER);
   return (tusb_device_state_t) usbh_devices[dev_addr].state;
 }