diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 3f5eeb73c536434040ee32024f329d3bf9083d8a..96f20d1138696d19f747d0f45a90f00ce7542994 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -368,11 +368,13 @@ static int configure_phy(struct eth_device *dev)
 {
 	struct dw_eth_dev *priv = dev->priv;
 	int phy_addr;
-	u16 bmcr, ctrl;
+	u16 bmcr;
 #if defined(CONFIG_DW_AUTONEG)
 	u16 bmsr;
 	u32 timeout;
 	u16 anlpar, btsr;
+#else
+	u16 ctrl;
 #endif
 
 #if defined(CONFIG_DW_SEARCH_PHY)