diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c
index 84df62d..ce75aea 100644
--- a/src/northbridge/intel/gm45/northbridge.c
+++ b/src/northbridge/intel/gm45/northbridge.c
@@ -243,17 +243,6 @@
 	}
 }
 
-static u8 scan_bus_unused(struct bus *link)
-{
-	struct device *dev;
-
-	for (dev = link->children; dev; dev = dev->sibling) {
-		if (dev->enabled)
-			return 0;
-	}
-	return 1;
-}
-
 static void gm45_init(void *const chip_info)
 {
 	int dev, fn, bit_base;
@@ -279,8 +268,7 @@
 		for (; fn >= 0; --fn) {
 			const struct device *const d =
 				dev_find_slot(0, PCI_DEVFN(dev, fn));
-			if (d && d->enabled && d->link_list && !scan_bus_unused(d->link_list))
-				continue;
+			if (!d || d->enabled) continue;
 			const u32 deven = pci_read_config32(d0f0, D0F0_DEVEN);
 			pci_write_config32(d0f0, D0F0_DEVEN,
 					   deven & ~(1 << (bit_base + fn)));
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index 3974fe8..53d93a2 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -368,17 +368,6 @@
 	DMIBAR32(0x88) = reg32;
 }
 
-static u8 scan_bus_unused(struct bus *link)
-{
-	struct device *dev;
-
-	for (dev = link->children; dev; dev = dev->sibling) {
-		if (dev->enabled)
-			return 0;
-	}
-	return 1;
-}
-
 /* Disable unused PEG devices based on devicetree */
 static void disable_peg(void)
 {
@@ -389,32 +378,27 @@
 	reg = pci_read_config32(dev, DEVEN);
 
 	dev = dev_find_slot(0, PCI_DEVFN(1, 2));
-	if (!dev || !dev->enabled ||
-			(dev->link_list && scan_bus_unused(dev->link_list))) {
+	if (!dev || !dev->enabled) {
 		printk(BIOS_DEBUG, "Disabling PEG12.\n");
 		reg &= ~DEVEN_PEG12;
 	}
 	dev = dev_find_slot(0, PCI_DEVFN(1, 1));
-	if (!dev || !dev->enabled ||
-			(dev->link_list && scan_bus_unused(dev->link_list))) {
+	if (!dev || !dev->enabled) {
 		printk(BIOS_DEBUG, "Disabling PEG11.\n");
 		reg &= ~DEVEN_PEG11;
 	}
 	dev = dev_find_slot(0, PCI_DEVFN(1, 0));
-	if (!dev || !dev->enabled ||
-			(dev->link_list && scan_bus_unused(dev->link_list))) {
+	if (!dev || !dev->enabled) {
 		printk(BIOS_DEBUG, "Disabling PEG10.\n");
 		reg &= ~DEVEN_PEG10;
 	}
 	dev = dev_find_slot(0, PCI_DEVFN(2, 0));
-	if (!dev || !dev->enabled ||
-			(dev->link_list && scan_bus_unused(dev->link_list))) {
+	if (!dev || !dev->enabled) {
 		printk(BIOS_DEBUG, "Disabling IGD.\n");
 		reg &= ~DEVEN_IGD;
 	}
 	dev = dev_find_slot(0, PCI_DEVFN(6, 0));
-	if (!dev || !dev->enabled ||
-			(dev->link_list && scan_bus_unused(dev->link_list))) {
+	if (!dev || !dev->enabled) {
 		printk(BIOS_DEBUG, "Disabling PEG60.\n");
 		reg &= ~DEVEN_PEG60;
 	}