diff --git a/src/mainboard/amd/gardenia/dsdt.asl b/src/mainboard/amd/gardenia/dsdt.asl
index e6acfc8bbc..990f456e2c 100644
--- a/src/mainboard/amd/gardenia/dsdt.asl
+++ b/src/mainboard/amd/gardenia/dsdt.asl
@@ -66,9 +66,6 @@ DefinitionBlock (
 
 	} /* End \_SB scope */
 
-	/* Describe SMBUS for the Southbridge */
-	#include <smbus.asl>
-
 	/* Define the General Purpose Events for the platform */
 	#include "acpi/gpe.asl"
 }
diff --git a/src/mainboard/google/kahlee/dsdt.asl b/src/mainboard/google/kahlee/dsdt.asl
index 14f0d409c2..f006587c2f 100644
--- a/src/mainboard/google/kahlee/dsdt.asl
+++ b/src/mainboard/google/kahlee/dsdt.asl
@@ -76,9 +76,6 @@ DefinitionBlock (
 		#include <ec/google/chromeec/acpi/ec.asl>
 	}
 
-	/* Describe SMBUS for the Southbridge */
-	#include <smbus.asl>
-
 	/* Define the General Purpose Events for the platform */
 	#include <variant/acpi/gpe.asl>
 }