diff --git a/src/mainboard/asus/p5gc-mx/early_init.c b/src/mainboard/asus/p5gc-mx/early_init.c
index 6d37fed2ef..988d2328f6 100644
--- a/src/mainboard/asus/p5gc-mx/early_init.c
+++ b/src/mainboard/asus/p5gc-mx/early_init.c
@@ -94,7 +94,7 @@ static u8 msr_get_fsb(void)
 
 void mainboard_late_rcba_config(void)
 {
-	/* Enable PCIe Root Port Clock Gate */
+	/* Enable only PCIe Root Port Clock Gate */
 	RCBA32(CG) = 0x00000001;
 }
 
diff --git a/src/mainboard/getac/p470/early_init.c b/src/mainboard/getac/p470/early_init.c
index c75caada6e..1ce44ae9d7 100644
--- a/src/mainboard/getac/p470/early_init.c
+++ b/src/mainboard/getac/p470/early_init.c
@@ -138,9 +138,6 @@ void mainboard_late_rcba_config(void)
 	/* Disable unused devices */
 	RCBA32(FD) |= FD_INTLAN;
 
-	/* Enable PCIe Root Port Clock Gate */
-	// RCBA32(0x341c) = 0x00000001;
-
 	/* This should probably go into the ACPI enable trap */
 	/* Set up I/O Trap #0 for 0xfe00 (SMIC) */
 	RCBA32(0x1e84) = 0x00020001;
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c b/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c
index 7b82059580..f0f598b7af 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/early_init.c
@@ -56,6 +56,6 @@ void bootblock_mainboard_early_init(void)
 
 void mainboard_late_rcba_config(void)
 {
-	/* Enable PCIe Root Port Clock Gate */
+	/* Enable only PCIe Root Port Clock Gate */
 	RCBA32(CG) = 0x00000001;
 }
diff --git a/src/mainboard/ibase/mb899/early_init.c b/src/mainboard/ibase/mb899/early_init.c
index 0b005022d8..fd96f66ea8 100644
--- a/src/mainboard/ibase/mb899/early_init.c
+++ b/src/mainboard/ibase/mb899/early_init.c
@@ -110,7 +110,4 @@ void mainboard_late_rcba_config(void)
 	RCBA16(D29IR) = 0x0237;
 	RCBA16(D28IR) = 0x3201;
 	RCBA16(D27IR) = 0x0146;
-
-	/* Enable PCIe Root Port Clock Gate */
-	// RCBA32(0x341c) = 0x00000001;
 }
diff --git a/src/mainboard/intel/d945gclf/early_init.c b/src/mainboard/intel/d945gclf/early_init.c
index b4818e49ca..d31fcc5907 100644
--- a/src/mainboard/intel/d945gclf/early_init.c
+++ b/src/mainboard/intel/d945gclf/early_init.c
@@ -32,9 +32,6 @@ void mainboard_late_rcba_config(void)
 
 	/* Disable unused devices */
 	RCBA32(FD) |= FD_INTLAN;
-
-	/* Enable PCIe Root Port Clock Gate */
-	// RCBA32(0x341c) = 0x00000001;
 }
 
 void bootblock_mainboard_early_init(void)
diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c
index 13dce61325..6629a0e0f8 100644
--- a/src/northbridge/intel/i945/early_init.c
+++ b/src/northbridge/intel/i945/early_init.c
@@ -837,6 +837,7 @@ static void ich7_setup_root_complex_topology(void)
 
 static void ich7_setup_pci_express(void)
 {
+	/* Enable PCIe Root Port Clock Gate */
 	RCBA32(CG) |= (1 << 0);
 
 	/* Initialize slot power limit for root ports */