diff --git a/app/src/main/java/com/topjohnwu/magisk/Const.kt b/app/src/main/java/com/topjohnwu/magisk/Const.kt
index 51bcbeba3..8e6616772 100644
--- a/app/src/main/java/com/topjohnwu/magisk/Const.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/Const.kt
@@ -9,33 +9,28 @@ object Const {
 
     const val DEBUG_TAG = "MagiskManager"
 
-    // APK content
-    const val ANDROID_MANIFEST = "AndroidManifest.xml"
-
-    const val SU_KEYSTORE_KEY = "su_key"
-
     // Paths
     const val MAGISK_PATH = "/sbin/.magisk/img"
     @JvmField
-    val EXTERNAL_PATH: File =
-        Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
+    val EXTERNAL_PATH = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)!!
     @JvmField
-    var MAGISK_DISABLE_FILE: File = File("xxx")
-
+    var MAGISK_DISABLE_FILE = File("xxx")
     const val TMP_FOLDER_PATH = "/dev/tmp"
     const val MAGISK_LOG = "/cache/magisk.log"
-    const val MANAGER_CONFIGS = ".tmp.magisk.config"
 
     // Versions
     const val UPDATE_SERVICE_VER = 1
     const val SNET_EXT_VER = 12
+    const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
+    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
 
+    // Misc
+    const val ANDROID_MANIFEST = "AndroidManifest.xml"
+    const val MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log"
+    const val MANAGER_CONFIGS = ".tmp.magisk.config"
     @JvmField
     val USER_ID = Process.myUid() / 100000
 
-    // Generic
-    const val MAGISK_INSTALL_LOG_FILENAME = "magisk_install_log_%s.log"
-
     init {
         EXTERNAL_PATH.mkdirs()
     }
@@ -75,9 +70,10 @@ object Const {
         val SNET_URL = getRaw("b66b1a914978e5f4c4bbfd74a59f4ad371bac107", "snet.apk")
         @JvmField
         val BOOTCTL_URL = getRaw("9c5dfc1b8245c0b5b524901ef0ff0f8335757b77", "bootctl")
+        const val GITHUB_RAW_API_URL = "https://raw.githubusercontent.com/"
 
         private fun getRaw(where: String, name: String) =
-            "https://raw.githubusercontent.com/topjohnwu/magisk_files/%s/%s".format(where, name)
+            "${GITHUB_RAW_API_URL}topjohnwu/magisk_files/$where/$name"
     }
 
     object Key {
diff --git a/app/src/main/java/com/topjohnwu/magisk/Constants.kt b/app/src/main/java/com/topjohnwu/magisk/Constants.kt
deleted file mode 100644
index 5db50e2ea..000000000
--- a/app/src/main/java/com/topjohnwu/magisk/Constants.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.topjohnwu.magisk
-
-import android.os.Process
-
-object Constants {
-
-    // Paths
-    val MAGISK_PATH = "/sbin/.magisk/img"
-    val MAGISK_LOG = "/cache/magisk.log"
-
-    val USER_ID get() = Process.myUid() / 100000
-
-    const val SNET_REVISION = "b66b1a914978e5f4c4bbfd74a59f4ad371bac107"
-    const val BOOTCTL_REVISION = "9c5dfc1b8245c0b5b524901ef0ff0f8335757b77"
-
-    const val GITHUB_URL = "https://github.com/"
-    const val GITHUB_API_URL = "https://api.github.com/"
-    const val GITHUB_RAW_API_URL = "https://raw.githubusercontent.com/"
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt b/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt
index 35d763f71..0ae902bfb 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/database/PolicyDao.kt
@@ -2,7 +2,7 @@ package com.topjohnwu.magisk.data.database
 
 import android.content.Context
 import android.content.pm.PackageManager
-import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.data.database.base.*
 import com.topjohnwu.magisk.model.entity.MagiskPolicy
 import com.topjohnwu.magisk.model.entity.toMap
@@ -60,7 +60,7 @@ class PolicyDao(
 
     fun fetchAll() = query<Select> {
         condition {
-            equals("uid/100000", Constants.USER_ID)
+            equals("uid/100000", Const.USER_ID)
         }
     }.flattenAsFlowable { it }
         .map { it.toPolicy(context.packageManager) }
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
index b9c764c32..603247eab 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/network/GithubRawApiServices.kt
@@ -1,6 +1,6 @@
 package com.topjohnwu.magisk.data.network
 
-import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.KConfig
 import com.topjohnwu.magisk.model.entity.MagiskConfig
 import io.reactivex.Single
@@ -32,11 +32,11 @@ interface GithubRawApiServices {
 
     @GET("$MAGISK_FILES/{$REVISION}/snet.apk")
     @Streaming
-    fun fetchSafetynet(@Path(REVISION) revision: String = Constants.SNET_REVISION): Single<ResponseBody>
+    fun fetchSafetynet(@Path(REVISION) revision: String = Const.SNET_REVISION): Single<ResponseBody>
 
     @GET("$MAGISK_FILES/{$REVISION}/bootctl")
     @Streaming
-    fun fetchBootctl(@Path(REVISION) revision: String = Constants.BOOTCTL_REVISION): Single<ResponseBody>
+    fun fetchBootctl(@Path(REVISION) revision: String = Const.BOOTCTL_REVISION): Single<ResponseBody>
 
     //endregion
 
diff --git a/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt b/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt
index 34a82b995..981adb4f2 100644
--- a/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/data/repository/LogRepository.kt
@@ -1,7 +1,6 @@
 package com.topjohnwu.magisk.data.repository
 
 import com.topjohnwu.magisk.Const
-import com.topjohnwu.magisk.Constants
 import com.topjohnwu.magisk.data.database.LogDao
 import com.topjohnwu.magisk.data.database.base.suRaw
 import com.topjohnwu.magisk.model.entity.MagiskLog
@@ -20,7 +19,7 @@ class LogRepository(
         .map { it.sortByDescending { it.date.time }; it }
         .map { it.wrap() }
 
-    fun fetchMagiskLogs() = "tail -n 5000 ${Constants.MAGISK_LOG}".suRaw()
+    fun fetchMagiskLogs() = "tail -n 5000 ${Const.MAGISK_LOG}".suRaw()
         .filter { it.isNotEmpty() }
         .map { Timber.i(it.toString()); it }
 
diff --git a/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt b/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
index 00aea7265..ae69f23b7 100644
--- a/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/di/NetworkingModule.kt
@@ -3,7 +3,7 @@ package com.topjohnwu.magisk.di
 import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
 import com.topjohnwu.magisk.BuildConfig
-import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.data.network.GithubRawApiServices
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
@@ -20,7 +20,7 @@ val networkingModule = module {
     single { createConverterFactory() }
     single { createCallAdapterFactory() }
     single { createRetrofit(get(), get(), get()) }
-    single { createApiService<GithubRawApiServices>(get(), Constants.GITHUB_RAW_API_URL) }
+    single { createApiService<GithubRawApiServices>(get(), Const.Url.GITHUB_RAW_API_URL) }
 }
 
 fun createOkHttpClient(): OkHttpClient {
diff --git a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt
index 035630042..7618f9cff 100644
--- a/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt
+++ b/app/src/main/java/com/topjohnwu/magisk/model/entity/MagiskModule.kt
@@ -6,7 +6,7 @@ import androidx.annotation.NonNull
 import androidx.annotation.WorkerThread
 import androidx.room.Entity
 import androidx.room.PrimaryKey
-import com.topjohnwu.magisk.Constants
+import com.topjohnwu.magisk.Const
 import com.topjohnwu.magisk.data.database.base.su
 import io.reactivex.Single
 import kotlinx.android.parcel.Parcelize
@@ -48,7 +48,7 @@ data class Module(
 
 @AnyThread
 fun File.toModule(): Single<Module> {
-    val path = "${Constants.MAGISK_PATH}/$name"
+    val path = "${Const.MAGISK_PATH}/$name"
     return "dos2unix < $path/module.prop".su()
         .map { it.first().toModule(path) }
 }
diff --git a/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java b/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
index f898e6a1f..122054fa8 100644
--- a/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
+++ b/app/src/main/java/com/topjohnwu/magisk/utils/FingerprintHelper.java
@@ -25,6 +25,7 @@ public abstract class FingerprintHelper {
     private FingerprintManager manager;
     private Cipher cipher;
     private CancellationSignal cancel;
+    private static final String SU_KEYSTORE_KEY = "su_key";
 
     public static boolean useFingerprint() {
         boolean fp = Config.get(Config.Key.SU_FINGERPRINT);
@@ -50,7 +51,7 @@ public abstract class FingerprintHelper {
                 + KeyProperties.BLOCK_MODE_CBC + "/"
                 + KeyProperties.ENCRYPTION_PADDING_PKCS7);
         keyStore.load(null);
-        SecretKey key = (SecretKey) keyStore.getKey(Const.SU_KEYSTORE_KEY, null);
+        SecretKey key = (SecretKey) keyStore.getKey(SU_KEYSTORE_KEY, null);
         if (key == null) {
             key = generateKey();
         }
@@ -86,7 +87,7 @@ public abstract class FingerprintHelper {
         KeyGenerator keygen = KeyGenerator
                 .getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
         KeyGenParameterSpec.Builder builder = new KeyGenParameterSpec.Builder(
-                Const.SU_KEYSTORE_KEY,
+                SU_KEYSTORE_KEY,
                 KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
                 .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
                 .setUserAuthenticationRequired(true)
diff --git a/build.gradle b/build.gradle
index e3e6e5d34..2d1cda709 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ buildscript {
         maven { url 'https://kotlin.bintray.com/kotlinx' }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0-beta03'
+        classpath 'com.android.tools.build:gradle:3.5.0-beta04'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.31"