diff --git a/android/build.gradle b/android/build.gradle
index cdb1e30..852111a 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -4,7 +4,6 @@ version '1.0'
 buildscript {
     repositories {
         google()
-        jcenter()
         mavenCentral()
     }
 
@@ -16,7 +15,6 @@ buildscript {
 rootProject.allprojects {
     repositories {
         google()
-        jcenter()
         maven { url 'https://jitpack.io' }
     }
 }
diff --git a/android/src/main/java/in/jvapps/disable_battery_optimization/DisableBatteryOptimizationPlugin.java b/android/src/main/java/in/jvapps/disable_battery_optimization/DisableBatteryOptimizationPlugin.java
index 24e5465..7259951 100644
--- a/android/src/main/java/in/jvapps/disable_battery_optimization/DisableBatteryOptimizationPlugin.java
+++ b/android/src/main/java/in/jvapps/disable_battery_optimization/DisableBatteryOptimizationPlugin.java
@@ -44,20 +44,6 @@ public class DisableBatteryOptimizationPlugin implements FlutterPlugin, Activity
     private String manBatteryMessage;
 
 
-    // This static function is optional and equivalent to onAttachedToEngine. It supports the old
-    // pre-Flutter-1.12 Android projects. You are encouraged to continue supporting
-    // plugin registration via this function while apps migrate to use the new Android APIs
-    // post-flutter-1.12 via https://flutter.dev/go/android-project-migration.
-    //
-    // It is encouraged to share logic between onAttachedToEngine and registerWith to keep
-    // them functionally equivalent. Only one of onAttachedToEngine or registerWith will be called
-    // depending on the user's project. onAttachedToEngine or registerWith must both be defined
-    // in the same class.
-    public static void registerWith(PluginRegistry.Registrar registrar) {
-        final MethodChannel channel = new MethodChannel(registrar.messenger(), CHANNEL_NAME);
-        channel.setMethodCallHandler(new DisableBatteryOptimizationPlugin(registrar.activity(), registrar.activeContext()));
-    }
-
     private DisableBatteryOptimizationPlugin(Activity activity, Context context) {
         if (activity != null)
             mActivity = activity;