diff --git a/app/build.gradle b/app/build.gradle
index 26dac25..523f072 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,10 +11,6 @@ android {
         versionCode 1
         versionName "1.0"
 
-        ndk {
-            moduleName "libjni_capture"
-        }
-
     }
     buildTypes {
         release {
diff --git a/app/build/outputs/apk/app-debug.apk b/app/build/outputs/apk/app-debug.apk
index 2b4c36b..84af389 100644
Binary files a/app/build/outputs/apk/app-debug.apk and b/app/build/outputs/apk/app-debug.apk differ
diff --git a/sign.sh b/sign.sh
deleted file mode 100755
index 881f24a..0000000
--- a/sign.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-rm -f signed.apk
-java -jar mstar_system_sign_tool/signapk.jar mstar_system_sign_tool/platform.x509.pem mstar_system_sign_tool/platform.pk8  app/build/outputs/apk/app-debug.apk signed.apk
-
-adb install -r signed.apk
diff --git a/signed.apk b/signed.apk
deleted file mode 100644
index eaabaf5..0000000
Binary files a/signed.apk and /dev/null differ