diff --git a/src/mainboard/asus/p8x7x-series/devicetree.cb b/src/mainboard/asus/p8x7x-series/devicetree.cb
index b1b39017f2..a54e6d8de8 100644
--- a/src/mainboard/asus/p8x7x-series/devicetree.cb
+++ b/src/mainboard/asus/p8x7x-series/devicetree.cb
@@ -15,7 +15,6 @@ chip northbridge/intel/sandybridge
 	# from runtime code)
 
 	device domain 0 on
-		device ref host_bridge on  end
 		device ref peg10 on  end # PCIEX16_1
 		device ref igd on  end
 
@@ -28,30 +27,10 @@ chip northbridge/intel/sandybridge
 			register "xhci_switchable_ports"    = "0x0000000f"
 
 			device ref xhci on  end
-			device ref mei1 on  end
-			device ref mei2 off end
-			device ref me_ide_r off end
-			device ref me_kt off end
-			device ref gbe off end
 			device ref ehci2 on  end
 			device ref hda on  end
-
-			device ref pcie_rp1 off end
-			device ref pcie_rp2 off end
-			device ref pcie_rp3 off end
-			device ref pcie_rp4 off end
-			device ref pcie_rp5 off end
-			device ref pcie_rp6 off end
-			device ref pcie_rp7 off end
-			device ref pcie_rp8 off end
-
 			device ref ehci1 on  end
-			device ref pci_bridge off end
-			device ref lpc on end
 			device ref sata1 on  end # SATA (AHCI)
-			device ref smbus on  end
-			device ref sata2 off end # SATA (Legacy)
-			device ref thermal off end
 		end
 	end
 end
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8c_ws/overridetree.cb b/src/mainboard/asus/p8x7x-series/variants/p8c_ws/overridetree.cb
index 1e8d807669..c0d38b6dc9 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8c_ws/overridetree.cb
+++ b/src/mainboard/asus/p8x7x-series/variants/p8c_ws/overridetree.cb
@@ -24,13 +24,9 @@ chip northbridge/intel/sandybridge
 				{ 1, 0, 6 }
 			}"
 			device ref pcie_rp1 on  end	# PCIEX16_4 (electrical x4)
-			device ref pcie_rp2 off end
-			device ref pcie_rp3 off end
-			device ref pcie_rp4 off end
 			device ref pcie_rp5 on  end	# PCIEX1_1
 			device ref pcie_rp6 on  end	# 82574 GbE #1
 			device ref pcie_rp7 on  end	# 82574 GbE #2
-			device ref pcie_rp8 off end
 			device ref pci_bridge on  end
 			device ref lpc on
 				chip superio/nuvoton/nct6776
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8h77-v/overridetree.cb b/src/mainboard/asus/p8x7x-series/variants/p8h77-v/overridetree.cb
index 1389304671..f1decba0ca 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8h77-v/overridetree.cb
+++ b/src/mainboard/asus/p8x7x-series/variants/p8h77-v/overridetree.cb
@@ -22,9 +22,6 @@ chip northbridge/intel/sandybridge
 			}"
 			register "gen1_dec" = "0x000c0291"
 			device ref pcie_rp1 on  end	# PCIEX16_2 (electrical x4)
-			device ref pcie_rp2 off end
-			device ref pcie_rp3 off end
-			device ref pcie_rp4 off end
 			device ref pcie_rp5 on  end	# AR8161 GbE NIC
 			device ref pcie_rp6 on  end	# ASM1083 PCI Bridge
 			device ref pcie_rp7 on  end	# PCIEX1_1
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-m/overridetree.cb b/src/mainboard/asus/p8x7x-series/variants/p8z77-m/overridetree.cb
index 50aed1b55f..c88b26095d 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-m/overridetree.cb
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-m/overridetree.cb
@@ -23,16 +23,12 @@ chip northbridge/intel/sandybridge
 			}"
 
 			device ref pcie_rp1 on  end	# PCIe x4 slot
-			device ref pcie_rp2 off end
-			device ref pcie_rp3 off end
-			device ref pcie_rp4 off end
 			device ref pcie_rp5 on  end	# PCIe x1 slot
 			device ref pcie_rp6 on		# RTL8111F GbE NIC
 				subsystemid 0x1849 0x1e1a
 				device pci 00.0 on end  # make onboard
 			end
 			device ref pcie_rp7 on  end	# PCI slot via ASM1083
-			device ref pcie_rp8 off end
 			device ref lpc on
 				chip superio/nuvoton/nct6779d
 					device pnp 2e.1 off end		# Parallel
diff --git a/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/overridetree.cb b/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/overridetree.cb
index 66bc5bb180..4d8124a236 100644
--- a/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/overridetree.cb
+++ b/src/mainboard/asus/p8x7x-series/variants/p8z77-v_lx2/overridetree.cb
@@ -24,9 +24,6 @@ chip northbridge/intel/sandybridge
 			register "gen1_dec" = "0x000c0291"
 
 			device ref pcie_rp1 on  end	# PCIEX16_2 (electrical x4)
-			device ref pcie_rp2 off end
-			device ref pcie_rp3 off end
-			device ref pcie_rp4 off end
 			device ref pcie_rp5 on  end	# RTL8111 GbE NIC
 			device ref pcie_rp6 on  end	# ASM1083 PCI Bridge
 			device ref pcie_rp7 on  end	# PCIEX1_1