diff --git a/drivers/usb/gadget/function/f_qdss.c b/drivers/usb/gadget/function/f_qdss.c
index d92ff5dee4a9..4ae473b90280 100644
--- a/drivers/usb/gadget/function/f_qdss.c
+++ b/drivers/usb/gadget/function/f_qdss.c
@@ -811,7 +811,6 @@ int usb_qdss_write(struct usb_qdss_ch *ch, struct qdss_request *d_req)
 	req->length = d_req->length;
 	req->sg = d_req->sg;
 	req->num_sgs = d_req->num_sgs;
-	req->num_mapped_sgs = d_req->num_mapped_sgs;
 	reinit_completion(&qreq->write_done);
 	if (req->sg)
 		qdss_log("%s: req:%pK req->num_sgs:0x%x\n",
diff --git a/include/linux/usb/usb_qdss.h b/include/linux/usb/usb_qdss.h
index 0fa377c1a7fe..c1a16910b02c 100644
--- a/include/linux/usb/usb_qdss.h
+++ b/include/linux/usb/usb_qdss.h
@@ -21,7 +21,6 @@ struct qdss_request {
 	void *context;
 	struct scatterlist *sg;
 	unsigned int num_sgs;
-	unsigned int num_mapped_sgs;
 };
 
 struct usb_qdss_ch {