diff --git a/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb b/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
index af9e30edcd..d84c243767 100644
--- a/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/adl_n/devicetree.cb
@@ -26,10 +26,6 @@ chip soc/intel/alderlake
 	register "pch_slp_sus_min_assertion_width"	= "3"			# 500ms
 	register "pch_slp_a_min_assertion_width"	= "3"			# 2s
 
-	register "pmc_gpe0_dw0"				= "PMC_GPP_F"
-	register "pmc_gpe0_dw1"				= "PMC_GPP_C"
-	register "pmc_gpe0_dw2"				= "PMC_GPP_E"
-
 	# Device Tree
 	device domain 0 on
 		device ref igpu		on
diff --git a/src/mainboard/starlabs/starbook/variants/mtl/devicetree.cb b/src/mainboard/starlabs/starbook/variants/mtl/devicetree.cb
index c02b64213c..f53b549342 100644
--- a/src/mainboard/starlabs/starbook/variants/mtl/devicetree.cb
+++ b/src/mainboard/starlabs/starbook/variants/mtl/devicetree.cb
@@ -18,10 +18,6 @@ chip soc/intel/meteorlake
 		[PchSerialIoIndexUART0]			= PchSerialIoSkipInit,
 	}"
 
-	register "pmc_gpe0_dw0"				= "PMC_GPP_F"
-	register "pmc_gpe0_dw1"				= "PMC_GPP_C"
-	register "pmc_gpe0_dw2"				= "PMC_GPP_E"
-
 	# Device Tree
 	device domain 0 on
 		device ref igpu		on