diff --git a/src/mainboard/lenovo/x200/devicetree.cb b/src/mainboard/lenovo/x200/devicetree.cb
index acc6c3a742..edd3c64d17 100644
--- a/src/mainboard/lenovo/x200/devicetree.cb
+++ b/src/mainboard/lenovo/x200/devicetree.cb
@@ -169,7 +169,6 @@ chip northbridge/intel/gm45
 					register "event5_enable" = "0x3c"
 					register "event6_enable" = "0x80"
 					register "event7_enable" = "0x01"
-					register "eventc_enable" = "0x3c"
 					register "event8_enable" = "0x01"
 					register "event9_enable" = "0xff"
 					register "eventa_enable" = "0xff"