diff --git a/include/configs/flea3.h b/include/configs/flea3.h
index e8e3c6a..46939d4 100644
--- a/include/configs/flea3.h
+++ b/include/configs/flea3.h
@@ -119,7 +119,6 @@
 #define CONFIG_FEC_MXC_PHYADDR	0x1
 
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_ARP_TIMEOUT	200UL
 
diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index f12d927..3ee538a 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -194,7 +194,6 @@
 #define	CONFIG_FEC_MXC
 #define	CONFIG_FEC_MXC_MULTI
 #define	CONFIG_MII
-#define	CONFIG_DISCOVER_PHY
 #define	CONFIG_FEC_XCV_TYPE		RMII
 #endif
 
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index 54d21e6..a4a22fc 100644
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -166,7 +166,6 @@
 #define CONFIG_FEC_MXC
 #define CONFIG_FEC_MXC_MULTI
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 #define CONFIG_FEC_XCV_TYPE	RMII
 #define CONFIG_MX28_FEC_MAC_IN_OCOTP
 #endif
diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h
index f930ed0..6eb5da5 100644
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -133,7 +133,6 @@
 #define CONFIG_FEC_MXC_PHYADDR	0x1F
 
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_ARP_TIMEOUT	200UL
 
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index 6af5ed7..e975f54 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -99,7 +99,6 @@
  */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE	FEC_BASE_ADDR
diff --git a/include/configs/mx53ard.h b/include/configs/mx53ard.h
index 0a928af..b486253 100644
--- a/include/configs/mx53ard.h
+++ b/include/configs/mx53ard.h
@@ -67,7 +67,6 @@
 /* Eth Configs */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_DHCP
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h
index 67def93..d6aa46d 100644
--- a/include/configs/mx53evk.h
+++ b/include/configs/mx53evk.h
@@ -77,7 +77,6 @@
 /* Eth Configs */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE	FEC_BASE_ADDR
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 0a25c7d..597c4e4 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -62,7 +62,6 @@
 /* Eth Configs */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE	FEC_BASE_ADDR
diff --git a/include/configs/mx53smd.h b/include/configs/mx53smd.h
index 760014f..1982184 100644
--- a/include/configs/mx53smd.h
+++ b/include/configs/mx53smd.h
@@ -67,7 +67,6 @@
 /* Eth Configs */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE	FEC_BASE_ADDR
diff --git a/include/configs/vision2.h b/include/configs/vision2.h
index 0ed53d2..ed004a6 100644
--- a/include/configs/vision2.h
+++ b/include/configs/vision2.h
@@ -122,7 +122,6 @@
  */
 #define CONFIG_HAS_ETH1
 #define CONFIG_MII
-#define CONFIG_DISCOVER_PHY
 
 #define CONFIG_FEC_MXC
 #define IMX_FEC_BASE				FEC_BASE_ADDR