diff --git a/src/mainboard/google/poppy/variants/rammus/devicetree.cb b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
index 7c1b02ff93..3478744137 100644
--- a/src/mainboard/google/poppy/variants/rammus/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/rammus/devicetree.cb
@@ -40,8 +40,8 @@ chip soc/intel/skylake
 	register "EnableTraceHub" = "0"
 	register "SsicPortEnable" = "0"
 	register "SmbusEnable" = "1"
-	register "Cio2Enable" = "1"
-	register "SaImguEnable" = "1"
+	register "Cio2Enable" = "0"
+	register "SaImguEnable" = "0"
 	register "ScsEmmcEnabled" = "1"
 	register "ScsEmmcHs400Enabled" = "1"
 	register "ScsSdCardEnabled" = "2"