diff --git a/mars/libraries/mars_android_sdk/build.gradle b/mars/libraries/mars_android_sdk/build.gradle
index 28482d26f..10a985fe4 100644
--- a/mars/libraries/mars_android_sdk/build.gradle
+++ b/mars/libraries/mars_android_sdk/build.gradle
@@ -44,4 +44,3 @@ android {
 }
 
 
-}