diff --git a/.gitignore b/.gitignore
index 71c616ea6beca83bad6e08796df6530f382d819c..a322fb1a7cb3e56a4320c6afa454bf0f23ddd5d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,4 +31,4 @@ Callback.java
 ConfigurationCallback.java
 VectMap.java
 jni/pjproject-android/build/cc-auto.mak
-
+*.o
diff --git a/ant.properties b/ant.properties
deleted file mode 100644
index aa5a419cb4a2bd7ab3bf5b071d77282bf236f8e3..0000000000000000000000000000000000000000
--- a/ant.properties
+++ /dev/null
@@ -1 +0,0 @@
-java.compilerargs=-Xlint
diff --git a/libs/android-support-v13.jar b/libs/android-support-v13.jar
deleted file mode 100644
index 2e31e5962de8e6c2b1a8e6995867e37fb4ac554f..0000000000000000000000000000000000000000
Binary files a/libs/android-support-v13.jar and /dev/null differ
diff --git a/tests/ant.properties b/tests/ant.properties
deleted file mode 100644
index 836edf0478e75d213e10abf171140090e3da4546..0000000000000000000000000000000000000000
--- a/tests/ant.properties
+++ /dev/null
@@ -1,18 +0,0 @@
-# This file is used to override default values used by the Ant build system.
-#
-# This file must be checked into Version Control Systems, as it is
-# integral to the build system of your project.
-
-# This file is only used by the Ant script.
-
-# You can use this to override default values such as
-#  'source.dir' for the location of your java source folder and
-#  'out.dir' for the location of your output folder.
-
-# You can also use it define how the release builds are signed by declaring
-# the following properties:
-#  'key.store' for the location of your keystore and
-#  'key.alias' for the name of the key to use.
-# The password will be asked during the build when you use the 'release' target.
-
-tested.project.dir=../