diff --git a/src/mainboard/system76/galp5/devicetree.cb b/src/mainboard/system76/galp5/devicetree.cb
index c0827caf5f..76c37fb720 100644
--- a/src/mainboard/system76/galp5/devicetree.cb
+++ b/src/mainboard/system76/galp5/devicetree.cb
@@ -199,9 +199,9 @@ chip soc/intel/tigerlake
 		device pci 05.0 off end # IPU			0x9A19
 		device pci 06.0 on  end # PEG60			0x9A09
 		device pci 07.0 on  end # TBT_PCIe0		0x9A23
-		device pci 07.1 on  end # TBT_PCIe1		0x9A25
-		device pci 07.2 on  end # TBT_PCIe2		0x9A27
-		device pci 07.3 on  end # TBT_PCIe3		0x9A29
+		device pci 07.1 off end # TBT_PCIe1		0x9A25
+		device pci 07.2 off end # TBT_PCIe2		0x9A27
+		device pci 07.3 off end # TBT_PCIe3		0x9A29
 		device pci 08.0 off end # GNA			0x9A11
 		device pci 09.0 off end # NPK			0x9A33
 		device pci 0a.0 on  end # Crash-log SRAM	0x9A0D