diff --git a/hw/bsp/espressif/boards/family.c b/hw/bsp/espressif/boards/family.c
index a837417f4..623cdb8b9 100644
--- a/hw/bsp/espressif/boards/family.c
+++ b/hw/bsp/espressif/boards/family.c
@@ -351,5 +351,15 @@ bool tuh_max3421_spi_xfer_api(uint8_t rhport, uint8_t const* tx_buf, uint8_t* rx
   ESP_ERROR_CHECK(spi_device_transmit(max3421_spi, &xact));
   return true;
 }
-
+#endif
+
+// board test example does not use both device and host stack
+#if !CFG_TUD_ENABLED && !CFG_TUH_ENABLED
+TU_ATTR_WEAK uint32_t tusb_time_millis_api(void) {
+  return osal_time_millis();
+}
+
+TU_ATTR_WEAK void tusb_time_delay_ms_api(uint32_t ms) {
+  osal_task_delay(ms);
+}
 #endif
diff --git a/hw/bsp/rp2040/family.c b/hw/bsp/rp2040/family.c
index a51b3f758..d68b13dd1 100644
--- a/hw/bsp/rp2040/family.c
+++ b/hw/bsp/rp2040/family.c
@@ -377,3 +377,15 @@ bool tuh_max3421_spi_xfer_api(uint8_t rhport, uint8_t const* tx_buf, uint8_t* rx
 }
 
 #endif
+
+
+// board test example does not use both device and host stack
+#if !CFG_TUD_ENABLED && !CFG_TUH_ENABLED
+TU_ATTR_WEAK uint32_t tusb_time_millis_api(void) {
+  return osal_time_millis();
+}
+
+TU_ATTR_WEAK void tusb_time_delay_ms_api(uint32_t ms) {
+  osal_task_delay(ms);
+}
+#endif