diff --git a/firmware/usbstack/drivers/device/usb_serial.c b/firmware/usbstack/drivers/device/usb_serial.c
index 0e6d7bf9f9..0738b9cc36 100644
--- a/firmware/usbstack/drivers/device/usb_serial.c
+++ b/firmware/usbstack/drivers/device/usb_serial.c
@@ -296,6 +296,7 @@ static int config_buf(uint8_t *buf, uint8_t type, unsigned index)
     int len;
 
     /* TODO check index*/
+	(void)index;
 
     len = usb_stack_configdesc(&serial_bulk_config_desc, buf, BUFFER_SIZE, dev.descriptors);
     if (len < 0) {
diff --git a/firmware/usbstack/drivers/device/usb_storage.c b/firmware/usbstack/drivers/device/usb_storage.c
index 7d7ab8c4b8..cbb974cab7 100644
--- a/firmware/usbstack/drivers/device/usb_storage.c
+++ b/firmware/usbstack/drivers/device/usb_storage.c
@@ -279,6 +279,8 @@ static int config_buf(uint8_t *buf, uint8_t type, unsigned index)
 {
     int len;
 
+	(void)index;
+	
     len = usb_stack_configdesc(&storage_config_desc, buf, BUFFER_SIZE, dev.descriptors);
     logf("result %d", len);
     if (len < 0) {
@@ -290,6 +292,8 @@ static int config_buf(uint8_t *buf, uint8_t type, unsigned index)
 
 static int set_config(int config)
 {
+	(void)config;
+	
     /* enable endpoints */
     logf("setup %s", dev.in->name);
     ops->enable(dev.in, (struct usb_endpoint_descriptor*)dev.descriptors[1]);