diff --git a/ndk/Android.mk b/ndk/Android.mk
new file mode 100644
index 000000000..0c7e190c9
--- /dev/null
+++ b/ndk/Android.mk
@@ -0,0 +1 @@
+# Please this file empty. It is used to make the Android build system happy.
diff --git a/ndk/samples/hello-jni/libs/armeabi/gdb.setup b/ndk/samples/hello-jni/libs/armeabi/gdb.setup
deleted file mode 100644
index bbe573a93..000000000
--- a/ndk/samples/hello-jni/libs/armeabi/gdb.setup
+++ /dev/null
@@ -1,3 +0,0 @@
-set solib-search-path /usr/local/google2/repo/kraken/ndk/samples/hello-jni/obj/local/armeabi
-directory /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include
-directory /usr/local/google2/repo/kraken/ndk/samples/hello-jni/jni
diff --git a/ndk/samples/hello-jni/libs/armeabi/gdbserver b/ndk/samples/hello-jni/libs/armeabi/gdbserver
deleted file mode 100755
index ea79a000f..000000000
Binary files a/ndk/samples/hello-jni/libs/armeabi/gdbserver and /dev/null differ
diff --git a/ndk/samples/hello-jni/libs/armeabi/libhello-jni.so b/ndk/samples/hello-jni/libs/armeabi/libhello-jni.so
deleted file mode 100755
index eaf0ec8bb..000000000
Binary files a/ndk/samples/hello-jni/libs/armeabi/libhello-jni.so and /dev/null differ
diff --git a/ndk/samples/hello-jni/obj/local/armeabi/libhello-jni.so b/ndk/samples/hello-jni/obj/local/armeabi/libhello-jni.so
deleted file mode 100755
index 9bf493a0b..000000000
Binary files a/ndk/samples/hello-jni/obj/local/armeabi/libhello-jni.so and /dev/null differ
diff --git a/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o b/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o
deleted file mode 100644
index 80d819ae2..000000000
Binary files a/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o and /dev/null differ
diff --git a/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o.d b/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o.d
deleted file mode 100644
index 22607bbb3..000000000
--- a/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o.d
+++ /dev/null
@@ -1,17 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/hello-jni/obj/local/armeabi/objs/hello-jni/hello-jni.o: \
- /usr/local/google2/repo/kraken/ndk/samples/hello-jni/jni/hello-jni.c \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/string.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/sys/cdefs.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/sys/cdefs_elf.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/malloc.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/jni.h
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/string.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/sys/cdefs.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/sys/cdefs_elf.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/malloc.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-8/arch-arm/usr/include/jni.h:
diff --git a/ndk/samples/module-exports/obj/local/armeabi/libbar.a b/ndk/samples/module-exports/obj/local/armeabi/libbar.a
deleted file mode 100644
index a3abbc3bb..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/libbar.a and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/libbar.so b/ndk/samples/module-exports/obj/local/armeabi/libbar.so
deleted file mode 100755
index 8d0a2af81..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/libbar.so and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/libfoo.a b/ndk/samples/module-exports/obj/local/armeabi/libfoo.a
deleted file mode 100644
index fed7b3fc9..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/libfoo.a and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/libzoo.so b/ndk/samples/module-exports/obj/local/armeabi/libzoo.so
deleted file mode 100755
index 4856bf35b..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/libzoo.so and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o b/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o
deleted file mode 100644
index 9b67b56d6..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o.d b/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o.d
deleted file mode 100644
index 36f664baf..000000000
--- a/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/obj/local/armeabi/objs/bar/bar/bar.o: \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/bar/bar.c \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/bar/bar.h
-
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/bar/bar.h:
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o b/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o
deleted file mode 100644
index 869f3022a..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o.d b/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o.d
deleted file mode 100644
index a9cbafc0f..000000000
--- a/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o.d
+++ /dev/null
@@ -1,8 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/obj/local/armeabi/objs/foo/foo/foo.o: \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/foo/foo.c \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/foo/foo.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-3/arch-arm/usr/include/android/log.h
-
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/foo/foo.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-3/arch-arm/usr/include/android/log.h:
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o b/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o
deleted file mode 100644
index e3598da3c..000000000
Binary files a/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o and /dev/null differ
diff --git a/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o.d b/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o.d
deleted file mode 100644
index f103f6e3c..000000000
--- a/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/obj/local/armeabi/objs/zoo/zoo/zoo.o: \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/zoo/zoo.c \
- /usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/bar/bar.h
-
-/usr/local/google2/repo/kraken/ndk/samples/module-exports/jni/bar/bar.h:
diff --git a/ndk/samples/two-libs/libs/armeabi/libtwolib-second.so b/ndk/samples/two-libs/libs/armeabi/libtwolib-second.so
deleted file mode 100755
index a33c6dec6..000000000
Binary files a/ndk/samples/two-libs/libs/armeabi/libtwolib-second.so and /dev/null differ
diff --git a/ndk/samples/two-libs/obj/local/armeabi/libtwolib-first.a b/ndk/samples/two-libs/obj/local/armeabi/libtwolib-first.a
deleted file mode 100644
index e11a4d55b..000000000
Binary files a/ndk/samples/two-libs/obj/local/armeabi/libtwolib-first.a and /dev/null differ
diff --git a/ndk/samples/two-libs/obj/local/armeabi/libtwolib-second.so b/ndk/samples/two-libs/obj/local/armeabi/libtwolib-second.so
deleted file mode 100755
index d3b2ac75c..000000000
Binary files a/ndk/samples/two-libs/obj/local/armeabi/libtwolib-second.so and /dev/null differ
diff --git a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o b/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o
deleted file mode 100644
index 2947ad95f..000000000
Binary files a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o and /dev/null differ
diff --git a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o.d b/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o.d
deleted file mode 100644
index c3e7224dd..000000000
--- a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o.d
+++ /dev/null
@@ -1,5 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-first/first.o: \
- /usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/first.c \
- /usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/first.h
-
-/usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/first.h:
diff --git a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o b/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o
deleted file mode 100644
index 9e332cf94..000000000
Binary files a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o and /dev/null differ
diff --git a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o.d b/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o.d
deleted file mode 100644
index 811d3bdfe..000000000
--- a/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o.d
+++ /dev/null
@@ -1,8 +0,0 @@
-/usr/local/google2/repo/kraken/ndk/samples/two-libs/obj/local/armeabi/objs/twolib-second/second.o: \
- /usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/second.c \
- /usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/first.h \
- /usr/local/google2/repo/kraken/ndk/build/platforms/android-3/arch-arm/usr/include/jni.h
-
-/usr/local/google2/repo/kraken/ndk/samples/two-libs/jni/first.h:
-
-/usr/local/google2/repo/kraken/ndk/build/platforms/android-3/arch-arm/usr/include/jni.h: