diff --git a/src/mainboard/roda/rk9/Kconfig b/src/mainboard/roda/rk9/Kconfig
index 4bf90886c1..59ae45553d 100644
--- a/src/mainboard/roda/rk9/Kconfig
+++ b/src/mainboard/roda/rk9/Kconfig
@@ -7,7 +7,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select NORTHBRIDGE_INTEL_GM45
 	select SOUTHBRIDGE_INTEL_I82801IX
 	select SUPERIO_SMSC_LPC47N227
-	select MMCONF_SUPPORT
 	select BOARD_ROMSIZE_KB_4096
 	select RTL8168_ROM_DISABLE
 	select DRIVERS_GENERIC_IOAPIC
diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig
index 34b2544cec..16a0bf175e 100644
--- a/src/northbridge/intel/gm45/Kconfig
+++ b/src/northbridge/intel/gm45/Kconfig
@@ -25,6 +25,7 @@ if NORTHBRIDGE_INTEL_GM45
 config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy
 	def_bool y
 	select HAVE_DEBUG_RAM_SETUP
+	select MMCONF_SUPPORT
 	select MMCONF_SUPPORT_DEFAULT
 	select IOMMU
 
diff --git a/src/northbridge/intel/i3100/Kconfig b/src/northbridge/intel/i3100/Kconfig
index 2bb1a25ac4..079004bda9 100644
--- a/src/northbridge/intel/i3100/Kconfig
+++ b/src/northbridge/intel/i3100/Kconfig
@@ -1,6 +1,5 @@
 config NORTHBRIDGE_INTEL_I3100
 	bool
-	select MMCONF_SUPPORT
 
 if NORTHBRIDGE_INTEL_I3100
 config DIMM_MAP_LOGICAL