diff --git a/local.properties b/local.properties
deleted file mode 100644
index dc57cd3..0000000
--- a/local.properties
+++ /dev/null
@@ -1,13 +0,0 @@
-## This file is automatically generated by Android Studio.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-#
-# This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Sat Jan 16 14:58:21 CST 2016
-sdk.dir=/Users/zhangyang/Library/Android/sdk
-bintray.user=leifzhang
-bintray.apikey=530dc571aa2139f444f2bddfdd3bed4170f9b977
\ No newline at end of file