diff --git a/default.xml b/default.xml
index 01ba705..da153c4 100644
--- a/default.xml
+++ b/default.xml
@@ -4,7 +4,7 @@
   <remote  name="aosp"
            fetch=".."
            review="https://android-review.googlesource.com/" />
-  <default revision="master"
+  <default revision="jb-mr1-dev"
            remote="aosp"
            sync-j="4" />
 
@@ -17,7 +17,7 @@
   <project path="bootable/diskinstaller" name="platform/bootable/diskinstaller" />
   <project path="bootable/recovery" name="platform/bootable/recovery" />
   <project path="cts" name="platform/cts" />
-  <project path="dalvik" name="platform/dalvik2" />
+  <project path="dalvik" name="platform/dalvik" />
   <project path="development" name="platform/development" />
   <project path="device/asus/grouper" name="device/asus/grouper" groups="device" />
   <project path="device/asus/tilapia" name="device/asus/tilapia" groups="device" />
@@ -30,14 +30,12 @@
   <project path="device/generic/x86" name="device/generic/x86" />
   <project path="device/google/accessory/arduino" name="device/google/accessory/arduino" groups="device" />
   <project path="device/google/accessory/demokit" name="device/google/accessory/demokit" groups="device" />
-  <project path="device/google/phantasm" name="device/google/phantasm" groups="device" />
   <project path="device/sample" name="device/sample" />
   <project path="device/samsung/maguro" name="device/samsung/maguro" groups="device" />
   <project path="device/samsung/manta" name="device/samsung/manta" groups="device" />
   <project path="device/samsung/toro" name="device/samsung/toro" groups="device" />
   <project path="device/samsung/toroplus" name="device/samsung/toroplus" groups="device" />
   <project path="device/samsung/tuna" name="device/samsung/tuna" groups="device" />
-  <project path="device/samsung_slsi/arndale" name="device/samsung_slsi/arndale" groups="device" />
   <project path="device/ti/panda" name="device/ti/panda" groups="device" />
   <project path="docs/source.android.com" name="platform/docs/source.android.com" />
   <project path="external/aac" name="platform/external/aac" />
@@ -94,7 +92,6 @@
   <project path="external/guava" name="platform/external/guava" />
   <project path="external/hamcrest" name="platform/external/hamcrest" />
   <project path="external/harfbuzz" name="platform/external/harfbuzz" />
-  <project path="external/harfbuzz_ng" name="platform/external/harfbuzz_ng" />
   <project path="external/hyphenation" name="platform/external/hyphenation" />
   <project path="external/icu4c" name="platform/external/icu4c" />
   <project path="external/iproute2" name="platform/external/iproute2" />
@@ -221,10 +218,8 @@
   <project path="frameworks/rs" name="platform/frameworks/rs" />
   <project path="frameworks/support" name="platform/frameworks/support" />
   <project path="frameworks/testing" name="platform/frameworks/testing" />
-  <project path="frameworks/volley" name="platform/frameworks/volley" />
   <project path="frameworks/wilhelm" name="platform/frameworks/wilhelm" />
   <project path="gdk" name="platform/gdk" />
-  <project path="hardware/akm" name="platform/hardware/akm" />
   <project path="hardware/broadcom/wlan" name="platform/hardware/broadcom/wlan" />
   <project path="hardware/invensense" name="platform/hardware/invensense" />
   <project path="hardware/libhardware" name="platform/hardware/libhardware" />
@@ -232,11 +227,10 @@
   <project path="hardware/ril" name="platform/hardware/ril" />
   <project path="hardware/samsung_slsi/exynos5" name="platform/hardware/samsung_slsi/exynos5" />
   <project path="hardware/ti/omap3" name="platform/hardware/ti/omap3" />
-  <project path="hardware/ti/omap4-aah" name="platform/hardware/ti/omap4-aah" />
   <project path="hardware/ti/omap4xxx" name="platform/hardware/ti/omap4xxx" />
   <project path="hardware/ti/wlan" name="platform/hardware/ti/wlan" />
   <project path="hardware/ti/wpan" name="platform/hardware/ti/wpan" />
-  <project path="libcore" name="platform/libcore2" />
+  <project path="libcore" name="platform/libcore" />
   <project path="libnativehelper" name="platform/libnativehelper" />
   <project path="ndk" name="platform/ndk" />
   <project path="packages/apps/BasicSmsReceiver" name="platform/packages/apps/BasicSmsReceiver" />
@@ -308,25 +302,16 @@
   <project path="prebuilts/eclipse-build-deps" name="platform/prebuilts/eclipse-build-deps" groups="notdefault,eclipse" />
   <project path="prebuilts/eclipse-build-deps-sources" name="platform/prebuilts/eclipse-build-deps-sources" groups="notdefault,eclipse" />
   <project path="prebuilts/gcc/darwin-x86/arm/arm-eabi-4.6" name="platform/prebuilts/gcc/darwin-x86/arm/arm-eabi-4.6" groups="darwin,arm" />
-  <project path="prebuilts/gcc/darwin-x86/arm/arm-eabi-4.7" name="platform/prebuilts/gcc/darwin-x86/arm/arm-eabi-4.7" groups="darwin,arm" />
   <project path="prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.6" name="platform/prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.6" groups="darwin,arm" />
-  <project path="prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.7" name="platform/prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.7" groups="darwin,arm" />
-  <project path="prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1" name="platform/prebuilts/gcc/darwin-x86/host/i686-apple-darwin-4.2.1" groups="darwin" />
   <project path="prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.6" name="platform/prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.6" groups="darwin,mips" />
-  <project path="prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.7" name="platform/prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.7" groups="darwin,mips" />
   <project path="prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.6" name="platform/prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.6" groups="darwin,x86" />
-  <project path="prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.7" name="platform/prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.7" groups="darwin,x86" />
   <project path="prebuilts/gcc/linux-x86/arm/arm-eabi-4.6" name="platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6" groups="linux,arm" />
-  <project path="prebuilts/gcc/linux-x86/arm/arm-eabi-4.7" name="platform/prebuilts/gcc/linux-x86/arm/arm-eabi-4.7" groups="linux,arm" />
   <project path="prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.6" name="platform/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.6" groups="linux,arm" />
-  <project path="prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7" name="platform/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.7" groups="linux,arm" />
   <project path="prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.4.3" name="platform/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.4.3" groups="linux" />
   <project path="prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.6" name="platform/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.6" groups="linux" />
   <project path="prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6" name="platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6" groups="linux" />
   <project path="prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.6" name="platform/prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.6" groups="linux,mips" />
-  <project path="prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.7" name="platform/prebuilts/gcc/linux-x86/mips/mipsel-linux-android-4.7" groups="linux,mips" />
   <project path="prebuilts/gcc/linux-x86/x86/i686-linux-android-4.6" name="platform/prebuilts/gcc/linux-x86/x86/i686-linux-android-4.6" groups="linux,x86" />
-  <project path="prebuilts/gcc/linux-x86/x86/i686-linux-android-4.7" name="platform/prebuilts/gcc/linux-x86/x86/i686-linux-android-4.7" groups="linux,x86" />
   <project path="prebuilts/misc" name="platform/prebuilts/misc" />
   <project path="prebuilts/ndk" name="platform/prebuilts/ndk" />
   <project path="prebuilts/qemu-kernel" name="platform/prebuilts/qemu-kernel" />