diff --git a/class/hub/usbh_hub.c b/class/hub/usbh_hub.c
index 6755b859..0d3e4b8c 100644
--- a/class/hub/usbh_hub.c
+++ b/class/hub/usbh_hub.c
@@ -27,13 +27,6 @@ extern void usbh_hubport_release(struct usbh_hubport *hport);
 
 static const char *speed_table[] = { "error-speed", "low-speed", "full-speed", "high-speed", "wireless-speed", "super-speed", "superplus-speed" };
 
-#ifdef CONFIG_USBHOST_XHCI
-struct usbh_hubport *usbh_get_roothub_port(unsigned int port)
-{
-    return &roothub.child[port - 1];
-}
-#endif
-
 #if CONFIG_USBHOST_MAX_EXTHUBS > 0
 static struct usbh_hub g_hub_class[CONFIG_USBHOST_MAX_EXTHUBS];
 static uint32_t g_devinuse = 0;
@@ -563,24 +556,9 @@ static void usbh_hub_events(struct usbh_hub *hub)
                     } else if (portstatus & HUB_PORT_STATUS_LOW_SPEED) {
                         speed = USB_SPEED_LOW;
                     }
-#ifdef CONFIG_USBHOST_XHCI
-                    else {
-                        extern uint8_t usbh_get_port_speed(struct usbh_hub * hub, const uint8_t port);
-
-                        /* USB3.0 speed cannot get from portstatus, checkout port speed instead */
-                        uint8_t super_speed = usbh_get_port_speed(hub, port + 1);
-                        if (super_speed > USB_SPEED_HIGH) {
-                            /* assert that when using USB 3.0 ports, attached device must also be USB 3.0 speed */
-                            speed = super_speed;
-                        } else {
-                            speed = USB_SPEED_FULL;
-                        }
-                    }
-#else
                     else {
                         speed = USB_SPEED_FULL;
                     }
-#endif
 
                     child = &hub->child[port];
                     /** release child sources first */
diff --git a/core/usbh_core.c b/core/usbh_core.c
index cda801c3..18df49c3 100644
--- a/core/usbh_core.c
+++ b/core/usbh_core.c
@@ -81,12 +81,6 @@ static int __usbh_free_devaddr(struct usbh_devaddr_map *devgen, uint8_t devaddr)
 
 static int usbh_free_devaddr(struct usbh_hubport *hport)
 {
-#ifndef CONFIG_USBHOST_XHCI
-    if (hport->dev_addr > 0) {
-        __usbh_free_devaddr(&hport->bus->devgen, hport->dev_addr);
-    }
-#endif
-
     hport->dev_addr = 0;
     return 0;
 }
@@ -398,23 +392,12 @@ int usbh_enumerate(struct usbh_hubport *hport)
     /* Reconfigure EP0 with the correct maximum packet size */
     ep->wMaxPacketSize = ep_mps;
 
-#ifdef CONFIG_USBHOST_XHCI
-    extern int usbh_get_xhci_devaddr(usbh_pipe_t * pipe);
-
-    /* Assign a function address to the device connected to this port */
-    dev_addr = usbh_get_xhci_devaddr(hport->ep0);
-    if (dev_addr < 0) {
-        USB_LOG_ERR("Failed to allocate devaddr,errorcode:%d\r\n", ret);
-        goto errout;
-    }
-#else
     /* Assign a function address to the device connected to this port */
     dev_addr = usbh_allocate_devaddr(&hport->bus->devgen);
     if (dev_addr < 0) {
         USB_LOG_ERR("Failed to allocate devaddr,errorcode:%d\r\n", ret);
         goto errout;
     }
-#endif
 
     /* Set the USB device address */
     setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_STANDARD | USB_REQUEST_RECIPIENT_DEVICE;
diff --git a/core/usbh_core.h b/core/usbh_core.h
index 731133b5..baf6df9a 100644
--- a/core/usbh_core.h
+++ b/core/usbh_core.h
@@ -110,9 +110,6 @@ struct usbh_hubport {
     struct usb_setup_packet *setup;
     struct usbh_hub *parent;
     struct usbh_bus *bus;
-#ifdef CONFIG_USBHOST_XHCI
-    uint32_t protocol; /* port protocol, for xhci, some ports are USB2.0, others are USB3.0 */
-#endif
     struct usb_endpoint_descriptor ep0;
     struct usbh_urb ep0_urb;
     usb_osal_mutex_t mutex;
diff --git a/docs/source/api/api_host.rst b/docs/source/api/api_host.rst
index 1378df87..4fb12f20 100644
--- a/docs/source/api/api_host.rst
+++ b/docs/source/api/api_host.rst
@@ -84,9 +84,6 @@ hubport 结构体
         uint8_t *raw_config_desc;
         struct usb_setup_packet *setup;
         struct usbh_hub *parent;
-    #ifdef CONFIG_USBHOST_XHCI
-        uint32_t protocol; /* port protocol, for xhci, some ports are USB2.0, others are USB3.0 */
-    #endif
         struct usb_endpoint_descriptor ep0;
         struct usbh_urb ep0_urb;
         usb_osal_mutex_t mutex;