diff --git a/hw/arm/fsl-imx25.c b/hw/arm/fsl-imx25.c
index 24c4374590..eff58e1f7a 100644
--- a/hw/arm/fsl-imx25.c
+++ b/hw/arm/fsl-imx25.c
@@ -55,6 +55,7 @@ static void fsl_imx25_init(Object *obj)
     }
 
     object_initialize_child(obj, "fec", &s->fec, TYPE_IMX_FEC);
+    object_property_add_alias(obj, "fec-phy-num", OBJECT(&s->fec), "phy-num");
 
     object_initialize_child(obj, "rngc", &s->rngc, TYPE_IMX_RNGC);
 
@@ -169,7 +170,6 @@ static void fsl_imx25_realize(DeviceState *dev, Error **errp)
                                             epit_table[i].irq));
     }
 
-    object_property_set_uint(OBJECT(&s->fec), "phy-num", s->phy_num, &err);
     qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]);
 
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fec), errp)) {
@@ -315,7 +315,6 @@ static void fsl_imx25_realize(DeviceState *dev, Error **errp)
 }
 
 static Property fsl_imx25_properties[] = {
-    DEFINE_PROP_UINT32("fec-phy-num", FslIMX25State, phy_num, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c
index 00dafe3f62..4f870c928c 100644
--- a/hw/arm/fsl-imx6.c
+++ b/hw/arm/fsl-imx6.c
@@ -100,6 +100,7 @@ static void fsl_imx6_init(Object *obj)
 
 
     object_initialize_child(obj, "eth", &s->eth, TYPE_IMX_ENET);
+    object_property_add_alias(obj, "fec-phy-num", OBJECT(&s->eth), "phy-num");
 }
 
 static void fsl_imx6_realize(DeviceState *dev, Error **errp)
@@ -377,7 +378,6 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
                                             spi_table[i].irq));
     }
 
-    object_property_set_uint(OBJECT(&s->eth), "phy-num", s->phy_num, &err);
     qdev_set_nic_properties(DEVICE(&s->eth), &nd_table[0]);
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->eth), errp)) {
         return;
@@ -451,7 +451,6 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
 }
 
 static Property fsl_imx6_properties[] = {
-    DEFINE_PROP_UINT32("fec-phy-num", FslIMX6State, phy_num, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/arm/fsl-imx6ul.c b/hw/arm/fsl-imx6ul.c
index d88d6cc1c5..8b3939e8c5 100644
--- a/hw/arm/fsl-imx6ul.c
+++ b/hw/arm/fsl-imx6ul.c
@@ -120,8 +120,12 @@ static void fsl_imx6ul_init(Object *obj)
      * Ethernet
      */
     for (i = 0; i < FSL_IMX6UL_NUM_ETHS; i++) {
+        g_autofree gchar *propname = g_strdup_printf("fec%d-phy-num", i + 1);
         snprintf(name, NAME_SIZE, "eth%d", i);
         object_initialize_child(obj, name, &s->eth[i], TYPE_IMX_ENET);
+        qdev_prop_set_uint32(DEVICE(&s->eth[i]), "phy-num", i);
+        object_property_add_alias(obj, propname,
+                                  OBJECT(&s->eth[i]), "phy-num");
     }
 
     /* USB */
@@ -424,8 +428,6 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error **errp)
             FSL_IMX6UL_ENET2_TIMER_IRQ,
         };
 
-        object_property_set_uint(OBJECT(&s->eth[i]), "phy-num",
-                                 s->phy_num[i], &error_abort);
         object_property_set_uint(OBJECT(&s->eth[i]), "tx-ring-num",
                                  FSL_IMX6UL_ETH_NUM_TX_RINGS, &error_abort);
         qdev_set_nic_properties(DEVICE(&s->eth[i]), &nd_table[i]);
@@ -618,8 +620,6 @@ static void fsl_imx6ul_realize(DeviceState *dev, Error **errp)
 }
 
 static Property fsl_imx6ul_properties[] = {
-    DEFINE_PROP_UINT32("fec1-phy-num", FslIMX6ULState, phy_num[0], 0),
-    DEFINE_PROP_UINT32("fec2-phy-num", FslIMX6ULState, phy_num[1], 1),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/arm/fsl-imx7.c b/hw/arm/fsl-imx7.c
index afc7480799..df035c9314 100644
--- a/hw/arm/fsl-imx7.c
+++ b/hw/arm/fsl-imx7.c
@@ -102,8 +102,12 @@ static void fsl_imx7_init(Object *obj)
      * Ethernet
      */
     for (i = 0; i < FSL_IMX7_NUM_ETHS; i++) {
-            snprintf(name, NAME_SIZE, "eth%d", i);
-            object_initialize_child(obj, name, &s->eth[i], TYPE_IMX_ENET);
+        g_autofree gchar *propname = g_strdup_printf("fec%d-phy-num", i + 1);
+        snprintf(name, NAME_SIZE, "eth%d", i);
+        object_initialize_child(obj, name, &s->eth[i], TYPE_IMX_ENET);
+        qdev_prop_set_uint32(DEVICE(&s->eth[i]), "phy-num", i);
+        object_property_add_alias(obj, propname,
+                                  OBJECT(&s->eth[i]), "phy-num");
     }
 
     /*
@@ -402,8 +406,6 @@ static void fsl_imx7_realize(DeviceState *dev, Error **errp)
             FSL_IMX7_ENET2_ADDR,
         };
 
-        object_property_set_uint(OBJECT(&s->eth[i]), "phy-num",
-                                 s->phy_num[i], &error_abort);
         object_property_set_uint(OBJECT(&s->eth[i]), "tx-ring-num",
                                  FSL_IMX7_ETH_NUM_TX_RINGS, &error_abort);
         qdev_set_nic_properties(DEVICE(&s->eth[i]), &nd_table[i]);
@@ -599,8 +601,6 @@ static void fsl_imx7_realize(DeviceState *dev, Error **errp)
 }
 
 static Property fsl_imx7_properties[] = {
-    DEFINE_PROP_UINT32("fec1-phy-num", FslIMX7State, phy_num[0], 0),
-    DEFINE_PROP_UINT32("fec2-phy-num", FslIMX7State, phy_num[1], 1),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/include/hw/arm/fsl-imx25.h b/include/hw/arm/fsl-imx25.h
index 1b1086e945..e377f8e79a 100644
--- a/include/hw/arm/fsl-imx25.h
+++ b/include/hw/arm/fsl-imx25.h
@@ -66,7 +66,6 @@ struct FslIMX25State {
     MemoryRegion   rom[2];
     MemoryRegion   iram;
     MemoryRegion   iram_alias;
-    uint32_t       phy_num;
 };
 
 /**
diff --git a/include/hw/arm/fsl-imx6.h b/include/hw/arm/fsl-imx6.h
index 83291457cf..f7d1a94640 100644
--- a/include/hw/arm/fsl-imx6.h
+++ b/include/hw/arm/fsl-imx6.h
@@ -74,7 +74,6 @@ struct FslIMX6State {
     MemoryRegion   caam;
     MemoryRegion   ocram;
     MemoryRegion   ocram_alias;
-    uint32_t       phy_num;
 };
 
 
diff --git a/include/hw/arm/fsl-imx6ul.h b/include/hw/arm/fsl-imx6ul.h
index 7812e516a5..5217eeb8ff 100644
--- a/include/hw/arm/fsl-imx6ul.h
+++ b/include/hw/arm/fsl-imx6ul.h
@@ -88,8 +88,6 @@ struct FslIMX6ULState {
     MemoryRegion       caam;
     MemoryRegion       ocram;
     MemoryRegion       ocram_alias;
-
-    uint32_t           phy_num[FSL_IMX6UL_NUM_ETHS];
 };
 
 enum FslIMX6ULMemoryMap {
diff --git a/include/hw/arm/fsl-imx7.h b/include/hw/arm/fsl-imx7.h
index 4e5e071864..16c68a4937 100644
--- a/include/hw/arm/fsl-imx7.h
+++ b/include/hw/arm/fsl-imx7.h
@@ -82,7 +82,6 @@ struct FslIMX7State {
     IMX7GPRState       gpr;
     ChipideaState      usb[FSL_IMX7_NUM_USBS];
     DesignwarePCIEHost pcie;
-    uint32_t           phy_num[FSL_IMX7_NUM_ETHS];
 };
 
 enum FslIMX7MemoryMap {
