diff --git a/arch/arm/src/lpc17xx/lpc17_mpuinit.c b/arch/arm/src/lpc17xx/lpc17_mpuinit.c
index 9cf561fcf2..46311393c7 100644
--- a/arch/arm/src/lpc17xx/lpc17_mpuinit.c
+++ b/arch/arm/src/lpc17xx/lpc17_mpuinit.c
@@ -60,14 +60,6 @@
 #  define MIN(a,b) a < b ? a : b
 #endif
 
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
diff --git a/configs/open1788/knxterm/defconfig b/configs/open1788/knxterm/defconfig
index 9510f1d8da..399906db9c 100644
--- a/configs/open1788/knxterm/defconfig
+++ b/configs/open1788/knxterm/defconfig
@@ -13,7 +13,7 @@ CONFIG_ARCH_BOARD_OPEN1788=y
 CONFIG_ARCH_CHIP_LPC1788=y
 CONFIG_ARCH_CHIP_LPC17XX=y
 CONFIG_ARCH_STACKDUMP=y
-CONFIG_ARCH_USE_MPU=y
+CONFIG_ARM_MPU=y
 CONFIG_BCH=y
 CONFIG_BOARD_LATE_INITIALIZE=y
 CONFIG_BOARD_LOOPSPERMSEC=11934