diff --git a/model/usb/host/src/usb_pnp_notify.c b/model/usb/host/src/usb_pnp_notify.c
index c857b91bd662fedb4579f27f6aa6a8d04f39ea84..941d34ca082e9b2e2e946b3f585706fa6e1bad98 100644
--- a/model/usb/host/src/usb_pnp_notify.c
+++ b/model/usb/host/src/usb_pnp_notify.c
@@ -55,7 +55,6 @@ static struct UsbPnpDeviceInfo *UsbPnpNotifyCreateInfo(void)
 {
     struct UsbPnpDeviceInfo *infoTemp = NULL;
     static int32_t idNum = 1;
-    int32_t ret;
 
     infoTemp = (struct UsbPnpDeviceInfo *)OsalMemCalloc(sizeof(struct UsbPnpDeviceInfo));
     if (infoTemp == NULL) {
diff --git a/platform/gpio/gpio_adapter.c b/platform/gpio/gpio_adapter.c
index 37a44a5b8459da788146a5bbfa6416b5be22de05..6bc544044fad10c27d3b5f37209663743d8b7b32 100644
--- a/platform/gpio/gpio_adapter.c
+++ b/platform/gpio/gpio_adapter.c
@@ -279,9 +279,7 @@ static int32_t LinuxGpioInit(struct HdfDeviceObject *device)
 
 static int LinuxGpioMatchRelease(struct gpio_chip *chip, void *data)
 {
-    int32_t ret;
     struct GpioCntlr *cntlr = NULL;
-    struct PlatformManager *manager = GpioManagerGet();
 
     if (chip == NULL) {
         return 0;