diff --git a/src/mainboard/asrock/b85m_pro4/devicetree.cb b/src/mainboard/asrock/b85m_pro4/devicetree.cb
index a5c275d427..a044d0a8a3 100644
--- a/src/mainboard/asrock/b85m_pro4/devicetree.cb
+++ b/src/mainboard/asrock/b85m_pro4/devicetree.cb
@@ -96,7 +96,6 @@ chip northbridge/intel/haswell
 						irq 0xe0 = 0xff		# + GPIO7 direction
 					end
 					device pnp 2e.a   on		# ACPI
-						irq 0xe0 = 0x41		# + Enable KBC wakeup
 						irq 0xe4 = 0x10		# + Power RAM in S3
 						irq 0xf0 = 0x20
 					end