diff --git a/app/release/app-release.apk b/app/release/app-release.apk
deleted file mode 100644
index 4900d81..0000000
Binary files a/app/release/app-release.apk and /dev/null differ
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
deleted file mode 100644
index f3ce945..0000000
--- a/app/release/output-metadata.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "version": 1,
-  "artifactType": {
-    "type": "APK",
-    "kind": "Directory"
-  },
-  "applicationId": "me.kyuubiran.qqcleaner",
-  "variantName": "release",
-  "elements": [
-    {
-      "type": "SINGLE",
-      "filters": [],
-      "properties": [],
-      "versionCode": 4,
-      "versionName": "0.4",
-      "enabled": true,
-      "outputFile": "app-release.apk"
-    }
-  ]
-}
\ No newline at end of file
diff --git a/app/src/androidTest/java/me/kyuubiran/qqcleaner/ExampleInstrumentedTest.java b/app/src/androidTest/java/me/kyuubiran/qqcleaner/ExampleInstrumentedTest.java
deleted file mode 100644
index f4653b5..0000000
--- a/app/src/androidTest/java/me/kyuubiran/qqcleaner/ExampleInstrumentedTest.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package me.kyuubiran.qqcleaner;
-
-import android.content.Context;
-
-import androidx.test.platform.app.InstrumentationRegistry;
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumented test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
-        assertEquals("me.kyuubiran.fuckqq", appContext.getPackageName());
-    }
-}
\ No newline at end of file