diff --git a/src/mainboard/compulab/intense_pc/Kconfig b/src/mainboard/compulab/intense_pc/Kconfig
index 283d63afdb..81085bc240 100644
--- a/src/mainboard/compulab/intense_pc/Kconfig
+++ b/src/mainboard/compulab/intense_pc/Kconfig
@@ -47,10 +47,6 @@ config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
 	hex
 	default 0x8086
 
-config MMCONF_BASE_ADDRESS
-	hex
-	default 0xf0000000
-
 config DRAM_RESET_GATE_GPIO # FIXME: check this
 	int
 	default 60
diff --git a/src/mainboard/lenovo/l520/Kconfig b/src/mainboard/lenovo/l520/Kconfig
index 7043184031..20ed67ce9c 100644
--- a/src/mainboard/lenovo/l520/Kconfig
+++ b/src/mainboard/lenovo/l520/Kconfig
@@ -50,10 +50,6 @@ config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
 	hex
 	default 0x17aa
 
-config MMCONF_BASE_ADDRESS
-	hex
-	default 0xf0000000
-
 config DRAM_RESET_GATE_GPIO
 	int
 	default 10
diff --git a/src/mainboard/lenovo/s230u/Kconfig b/src/mainboard/lenovo/s230u/Kconfig
index 4b6727ca22..f724784c94 100644
--- a/src/mainboard/lenovo/s230u/Kconfig
+++ b/src/mainboard/lenovo/s230u/Kconfig
@@ -35,10 +35,6 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "ThinkPad S230U (Twist)"
 
-config MMCONF_BASE_ADDRESS
-	hex
-	default 0xf0000000
-
 config EC_BASE_ADDRESS
 	hex
 	default 0xff000000