diff --git a/src/mainboard/lenovo/t420s/dsdt.asl b/src/mainboard/lenovo/t420s/dsdt.asl
index c54998820f..7db834415f 100644
--- a/src/mainboard/lenovo/t420s/dsdt.asl
+++ b/src/mainboard/lenovo/t420s/dsdt.asl
@@ -20,7 +20,6 @@
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
 #define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
 #define EC_LENOVO_H8_ME_WORKAROUND 1
-#define HAVE_LCD_SCREEN 1
 
 DefinitionBlock(
 	"dsdt.aml",
diff --git a/src/mainboard/lenovo/t430s/dsdt.asl b/src/mainboard/lenovo/t430s/dsdt.asl
index c54998820f..7db834415f 100644
--- a/src/mainboard/lenovo/t430s/dsdt.asl
+++ b/src/mainboard/lenovo/t430s/dsdt.asl
@@ -20,7 +20,6 @@
 #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
 #define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
 #define EC_LENOVO_H8_ME_WORKAROUND 1
-#define HAVE_LCD_SCREEN 1
 
 DefinitionBlock(
 	"dsdt.aml",