diff --git a/src/northbridge/amd/agesa/family10/northbridge.c b/src/northbridge/amd/agesa/family10/northbridge.c
index a50e09b4af..6f7a053935 100644
--- a/src/northbridge/amd/agesa/family10/northbridge.c
+++ b/src/northbridge/amd/agesa/family10/northbridge.c
@@ -1101,18 +1101,9 @@ static void cpu_bus_init(device_t dev)
 	initialize_cpus(dev->link_list);
 }
 
-static void cpu_bus_read_resources(device_t dev)
-{
-}
-
-static void cpu_bus_set_resources(device_t dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources	  = cpu_bus_read_resources,
-	.set_resources	  = cpu_bus_set_resources,
+	.read_resources	  = DEVICE_NOOP,
+	.set_resources	  = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init		  = cpu_bus_init,
 	.scan_bus	  = cpu_bus_scan,
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c
index e3541e18da..c8198c99df 100644
--- a/src/northbridge/amd/agesa/family12/northbridge.c
+++ b/src/northbridge/amd/agesa/family12/northbridge.c
@@ -652,22 +652,6 @@ static void domain_enable_resources(device_t dev)
 
 /* Bus related code */
 
-
-static void cpu_bus_read_resources(device_t dev)
-{
-	printk(BIOS_DEBUG, "\nFam12h - northbridge.c - %s - Start.\n",__func__);
-
-	printk(BIOS_DEBUG, "Fam12h - northbridge.c - %s - End.\n",__func__);
-}
-
-static void cpu_bus_set_resources(device_t dev)
-{
-	printk(BIOS_DEBUG, "\nFam12h - northbridge.c - %s - Start.\n",__func__);
-	pci_dev_set_resources(dev);
-
-	printk(BIOS_DEBUG, "Fam12h - northbridge.c - %s - End.\n",__func__);
-}
-
 static void cpu_bus_init(device_t dev)
 {
 	printk(BIOS_DEBUG, "\nFam12h - northbridge.c - %s - Start.\n",__func__);
@@ -813,8 +797,8 @@ static struct device_operations pci_domain_ops = {
 
 
 static struct device_operations cpu_bus_ops = {
-	.read_resources   = cpu_bus_read_resources,
-	.set_resources    = cpu_bus_set_resources,
+	.read_resources   = DEVICE_NOOP,
+	.set_resources    = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init             = cpu_bus_init,
 	.scan_bus         = 0,
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
index 8d1d4980e7..6d757d9af5 100644
--- a/src/northbridge/amd/amdfam10/northbridge.c
+++ b/src/northbridge/amd/amdfam10/northbridge.c
@@ -1955,14 +1955,9 @@ static void cpu_bus_init(device_t dev)
 #endif
 }
 
-static void cpu_bus_set_resources(struct device *dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations cpu_bus_ops = {
 	.read_resources	  = DEVICE_NOOP,
-	.set_resources	  = cpu_bus_set_resources,
+	.set_resources	  = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init		  = cpu_bus_init,
 	.scan_bus	  = cpu_bus_scan,
diff --git a/src/northbridge/amd/pi/00660F01/northbridge.c b/src/northbridge/amd/pi/00660F01/northbridge.c
index be748e862f..9fc2dca85a 100644
--- a/src/northbridge/amd/pi/00660F01/northbridge.c
+++ b/src/northbridge/amd/pi/00660F01/northbridge.c
@@ -1088,18 +1088,9 @@ static void cpu_bus_init(device_t dev)
 	initialize_cpus(dev->link_list);
 }
 
-static void cpu_bus_read_resources(device_t dev)
-{
-}
-
-static void cpu_bus_set_resources(device_t dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources	  = cpu_bus_read_resources,
-	.set_resources	  = cpu_bus_set_resources,
+	.read_resources	  = DEVICE_NOOP,
+	.set_resources	  = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init		  = cpu_bus_init,
 	.scan_bus	  = cpu_bus_scan,
diff --git a/src/northbridge/amd/pi/00670F00/northbridge.c b/src/northbridge/amd/pi/00670F00/northbridge.c
index ae847d2fd5..c21d030056 100644
--- a/src/northbridge/amd/pi/00670F00/northbridge.c
+++ b/src/northbridge/amd/pi/00670F00/northbridge.c
@@ -1089,18 +1089,9 @@ static void cpu_bus_init(device_t dev)
 	initialize_cpus(dev->link_list);
 }
 
-static void cpu_bus_read_resources(device_t dev)
-{
-}
-
-static void cpu_bus_set_resources(device_t dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources	  = cpu_bus_read_resources,
-	.set_resources	  = cpu_bus_set_resources,
+	.read_resources	  = DEVICE_NOOP,
+	.set_resources	  = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init		  = cpu_bus_init,
 	.scan_bus	  = cpu_bus_scan,
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index 58fb47a596..ed8e17a753 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -1108,18 +1108,9 @@ static void cpu_bus_init(device_t dev)
 	initialize_cpus(dev->link_list);
 }
 
-static void cpu_bus_read_resources(device_t dev)
-{
-}
-
-static void cpu_bus_set_resources(device_t dev)
-{
-	pci_dev_set_resources(dev);
-}
-
 static struct device_operations cpu_bus_ops = {
-	.read_resources	  = cpu_bus_read_resources,
-	.set_resources	  = cpu_bus_set_resources,
+	.read_resources	  = DEVICE_NOOP,
+	.set_resources	  = DEVICE_NOOP,
 	.enable_resources = DEVICE_NOOP,
 	.init		  = cpu_bus_init,
 	.scan_bus	  = cpu_bus_scan,