diff --git a/boot.txt b/boot.txt
index 9a8ed81..0e61229 100644
--- a/boot.txt
+++ b/boot.txt
@@ -5,10 +5,6 @@
 mmc_root="PARTUUID=70672ec3-5eee-49ff-b3b1-eb1fbd406bf5"
 sd_root="/dev/mmcblk1p2"
 
-# Power down the DarwiNN
-i2c dev 0
-i2c mw 0x1f 0x24 0x25 1
-
 # Check boot device to decide which root partition to use
 if test ${bootdev} = 1; then
     setenv root ${sd_root}
diff --git a/defconfig b/defconfig
index 4ce8b03..b9b713c 100644
--- a/defconfig
+++ b/defconfig
@@ -52,7 +52,6 @@
 CONFIG_REGULATOR_BD71837=y
 CONFIG_MXC_CAMERA_OV5645_MIPI_V2=y
 CONFIG_SPI_IMX=y
-# CONFIG_REGULATOR_ISL91301 is not set
 CONFIG_PCIEASPM_POWERSAVE=n
 CONFIG_PCIEASPM_POWER_SUPERSAVE=y
 CONFIG_LOCALVERSION_AUTO=n
@@ -60,7 +59,6 @@
 CONFIG_DRM_PANEL_TIANMA_S6D6FP0A2=y
 CONFIG_STAGING_GASKET_FRAMEWORK=y
 CONFIG_STAGING_APEX_DRIVER=y
-CONFIG_REGULATOR_APEX_PMIC=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGETFS=y
 CONFIG_USB_FUNCTIONFS=y