diff --git a/class/hub/usbh_hub.c b/class/hub/usbh_hub.c
index 54377a74..7feb3001 100644
--- a/class/hub/usbh_hub.c
+++ b/class/hub/usbh_hub.c
@@ -152,6 +152,7 @@ static int _usbh_hub_clear_feature(struct usbh_hub *hub, uint8_t port, uint8_t f
     return usbh_control_transfer(hub->parent, setup, NULL);
 }
 
+#if CONFIG_USBHOST_MAX_EXTHUBS > 0
 static int _usbh_hub_set_depth(struct usbh_hub *hub, uint16_t depth)
 {
     struct usb_setup_packet *setup;
@@ -167,7 +168,6 @@ static int _usbh_hub_set_depth(struct usbh_hub *hub, uint16_t depth)
     return usbh_control_transfer(hub->parent, setup, NULL);
 }
 
-#if CONFIG_USBHOST_MAX_EXTHUBS > 0
 static int parse_hub_descriptor(struct usb_hub_descriptor *desc, uint16_t length)
 {
     (void)length;
@@ -270,6 +270,7 @@ int usbh_hub_clear_feature(struct usbh_hub *hub, uint8_t port, uint8_t feature)
     }
 }
 
+#if CONFIG_USBHOST_MAX_EXTHUBS > 0
 static int usbh_hub_set_depth(struct usbh_hub *hub, uint16_t depth)
 {
     struct usb_setup_packet roothub_setup;
@@ -288,7 +289,6 @@ static int usbh_hub_set_depth(struct usbh_hub *hub, uint16_t depth)
     }
 }
 
-#if CONFIG_USBHOST_MAX_EXTHUBS > 0
 static void hub_int_complete_callback(void *arg, int nbytes)
 {
     struct usbh_hub *hub = (struct usbh_hub *)arg;
diff --git a/core/usbh_core.c b/core/usbh_core.c
index 15187a0b..03ed3b9d 100644
--- a/core/usbh_core.c
+++ b/core/usbh_core.c
@@ -330,6 +330,8 @@ static void usbh_print_hubport_info(struct usbh_hubport *hport)
 
 static void usbh_print_setup(struct usb_setup_packet *setup)
 {
+    (void)setup;
+
     USB_LOG_DBG("Setup: "
                 "bmRequestType 0x%02x, bRequest 0x%02x, wValue 0x%04x, wIndex 0x%04x, wLength 0x%04x\r\n",
                 setup->bmRequestType,
diff --git a/port/dwc2/usb_dc_dwc2.c b/port/dwc2/usb_dc_dwc2.c
index 390d3031..229acd3c 100644
--- a/port/dwc2/usb_dc_dwc2.c
+++ b/port/dwc2/usb_dc_dwc2.c
@@ -1023,7 +1023,7 @@ int usbd_ep_start_read(uint8_t busid, const uint8_t ep, uint8_t *data, uint32_t
 
 void USBD_IRQHandler(uint8_t busid)
 {
-    uint32_t gint_status, temp, ep_idx, ep_intr, epint, read_count, daintmask;
+    uint32_t gint_status, temp, ep_idx, ep_intr, epint, read_count;
     gint_status = dwc2_get_glb_intstatus(busid);
 
     if ((USB_OTG_GLB->GINTSTS & 0x1U) == USB_OTG_MODE_DEVICE) {