diff --git a/src/device/usbd.c b/src/device/usbd.c
index 109c3462d..e51aa0fc4 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -296,9 +296,9 @@ tu_static osal_queue_t _usbd_q;
 #endif
 
 TU_ATTR_ALWAYS_INLINE static inline bool queue_event(dcd_event_t const * event, bool in_isr) {
-  bool ret = osal_queue_send(_usbd_q, event, in_isr);
+  TU_ASSERT(osal_queue_send(_usbd_q, event, in_isr));
   tud_event_hook_cb(event->rhport, event->event_id, in_isr);
-  return ret;
+  return true;
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/host/usbh.c b/src/host/usbh.c
index 6a5491998..f8fddf394 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -288,9 +288,9 @@ TU_ATTR_WEAK void osal_task_delay(uint32_t msec) {
 #endif
 
 TU_ATTR_ALWAYS_INLINE static inline bool queue_event(hcd_event_t const * event, bool in_isr) {
-  bool ret = osal_queue_send(_usbh_q, event, in_isr);
+  TU_ASSERT(osal_queue_send(_usbh_q, event, in_isr));
   tuh_event_hook_cb(event->rhport, event->event_id, in_isr);
-  return ret;
+  return true;
 }
 
 //--------------------------------------------------------------------+
diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h
index c954fcfe8..c93f7a86c 100644
--- a/src/osal/osal_none.h
+++ b/src/osal/osal_none.h
@@ -180,7 +180,6 @@ TU_ATTR_ALWAYS_INLINE static inline bool osal_queue_send(osal_queue_t qhdl, void
     _osal_q_unlock(qhdl);
   }
 
-  TU_ASSERT(success);
   return success;
 }
 
diff --git a/src/osal/osal_pico.h b/src/osal/osal_pico.h
index 00c589ef9..315de0950 100644
--- a/src/osal/osal_pico.h
+++ b/src/osal/osal_pico.h
@@ -145,7 +145,6 @@ TU_ATTR_ALWAYS_INLINE static inline bool osal_queue_send(osal_queue_t qhdl, void
   bool success = tu_fifo_write(&qhdl->ff, data);
   critical_section_exit(&qhdl->critsec);
 
-  TU_ASSERT(success);
   return success;
 }