diff --git a/src/mainboard/apple/macbook21/acpi_tables.c b/src/mainboard/apple/macbook21/acpi_tables.c
index f6ed4ae6dd..c81c2f6c9c 100644
--- a/src/mainboard/apple/macbook21/acpi_tables.c
+++ b/src/mainboard/apple/macbook21/acpi_tables.c
@@ -263,9 +263,5 @@ unsigned long write_acpi_tables(unsigned long start)
 	printk(BIOS_DEBUG, "current = %lx\n", current);
 	printk(BIOS_INFO, "ACPI: done.\n");
 
-	/* Enable Dummy DCC ON# for DVI */
-	printk(BIOS_DEBUG, "Laptop handling...\n");
-	outb(inb(0x60f) & ~(1 << 5), 0x60f);
-
 	return current;
 }
diff --git a/src/mainboard/lenovo/t60/acpi_tables.c b/src/mainboard/lenovo/t60/acpi_tables.c
index f6ed4ae6dd..c81c2f6c9c 100644
--- a/src/mainboard/lenovo/t60/acpi_tables.c
+++ b/src/mainboard/lenovo/t60/acpi_tables.c
@@ -263,9 +263,5 @@ unsigned long write_acpi_tables(unsigned long start)
 	printk(BIOS_DEBUG, "current = %lx\n", current);
 	printk(BIOS_INFO, "ACPI: done.\n");
 
-	/* Enable Dummy DCC ON# for DVI */
-	printk(BIOS_DEBUG, "Laptop handling...\n");
-	outb(inb(0x60f) & ~(1 << 5), 0x60f);
-
 	return current;
 }
diff --git a/src/mainboard/lenovo/x201/acpi_tables.c b/src/mainboard/lenovo/x201/acpi_tables.c
index b6e99dd87c..fc78e4e49d 100644
--- a/src/mainboard/lenovo/x201/acpi_tables.c
+++ b/src/mainboard/lenovo/x201/acpi_tables.c
@@ -277,9 +277,5 @@ unsigned long write_acpi_tables(unsigned long start)
 	printk(BIOS_DEBUG, "current = %lx\n", current);
 	printk(BIOS_INFO, "ACPI: done.\n");
 
-	/* Enable Dummy DCC ON# for DVI */
-	printk(BIOS_DEBUG, "Laptop handling...\n");
-	outb(inb(0x60f) & ~(1 << 5), 0x60f);
-
 	return current;
 }
diff --git a/src/mainboard/lenovo/x60/acpi_tables.c b/src/mainboard/lenovo/x60/acpi_tables.c
index cf07067a96..5a4fffcd0d 100644
--- a/src/mainboard/lenovo/x60/acpi_tables.c
+++ b/src/mainboard/lenovo/x60/acpi_tables.c
@@ -265,9 +265,5 @@ unsigned long write_acpi_tables(unsigned long start)
 	printk(BIOS_DEBUG, "current = %lx\n", current);
 	printk(BIOS_INFO, "ACPI: done.\n");
 
-	/* Enable Dummy DCC ON# for DVI */
-	printk(BIOS_DEBUG, "Laptop handling...\n");
-	outb(inb(0x60f) & ~(1 << 5), 0x60f);
-
 	return current;
 }
diff --git a/src/mainboard/packardbell/ms2290/acpi_tables.c b/src/mainboard/packardbell/ms2290/acpi_tables.c
index 165de0d404..464f6e5495 100644
--- a/src/mainboard/packardbell/ms2290/acpi_tables.c
+++ b/src/mainboard/packardbell/ms2290/acpi_tables.c
@@ -275,9 +275,5 @@ unsigned long write_acpi_tables(unsigned long start)
 	printk(BIOS_DEBUG, "current = %lx\n", current);
 	printk(BIOS_INFO, "ACPI: done.\n");
 
-	/* Enable Dummy DCC ON# for DVI */
-	printk(BIOS_DEBUG, "Laptop handling...\n");
-	outb(inb(0x60f) & ~(1 << 5), 0x60f);
-
 	return current;
 }