diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8796a5ee9bb95fe2e9e0b0455d3ae55614ca9bef..206ecc7428dabea0f86190793ac887e9a08b544e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -166,7 +166,7 @@ static void dwc3_ep_inc_deq(struct dwc3_ep *dep)
 	dwc3_ep_inc_trb(&dep->trb_dequeue);
 }
 
-void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
+static void dwc3_gadget_del_and_unmap_request(struct dwc3_ep *dep,
 		struct dwc3_request *req, int status)
 {
 	struct dwc3			*dwc = dep->dwc;