diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index 2aab52f..08206c8 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -403,7 +403,7 @@
 	}
 }
 
-int greth_send(struct eth_device *dev, volatile void *eth_data, int data_length)
+int greth_send(struct eth_device *dev, void *eth_data, int data_length)
 {
 	greth_priv *greth = dev->priv;
 	greth_regs *regs = greth->regs;