diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 8a495b318b6f23bf66b19f4d77e557506cab5b0f..c6cb85a85c896fd6dcab466fa80f6dc2b81e8e04 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -325,9 +325,6 @@ static inline pending_ring_idx_t nr_pending_reqs(struct xenvif_queue *queue)
 		queue->pending_prod + queue->pending_cons;
 }
 
-/* Callback from stack when TX packet can be released */
-void xenvif_zerocopy_callback(struct ubuf_info *ubuf, bool zerocopy_success);
-
 irqreturn_t xenvif_interrupt(int irq, void *dev_id);
 
 extern bool separate_tx_rx_irq;