diff --git a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
index 61b712dbec..112c279fcb 100644
--- a/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/hatch/variants/baseboard/devicetree.cb
@@ -28,7 +28,7 @@ chip soc/intel/cannonlake
 	# Enable System Agent dynamic frequency
 	register "SaGv" = "SaGv_Enabled"
 	# Enable heci communication
-	register "HeciEnabled" = "1"
+	register "HeciEnabled" = "0"
 	# Enable Speed Shift Technology support
 	register "speed_shift_enable" = "1"
 	# Enable S0ix
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 767df1f795..ce960a74c0 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -15,7 +15,7 @@ chip soc/intel/cannonlake
 
 	# FSP configuration
 	register "SaGv" = "SaGv_Enabled"
-	register "HeciEnabled" = "1"
+	register "HeciEnabled" = "0"
 	register "SataSalpSupport" = "1"
 	register "SataMode" = "Sata_AHCI"
 	register "SataPortsEnable[2]" = "1"
diff --git a/src/mainboard/google/sarien/variants/sarien/devicetree.cb b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
index c96423c93d..739a849715 100644
--- a/src/mainboard/google/sarien/variants/sarien/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
@@ -15,7 +15,7 @@ chip soc/intel/cannonlake
 
 	# FSP configuration
 	register "SaGv" = "SaGv_Enabled"
-	register "HeciEnabled" = "1"
+	register "HeciEnabled" = "0"
 	register "SataSalpSupport" = "1"
 	register "SataMode" = "Sata_AHCI"
 	register "SataPortsEnable[0]" = "1"