diff --git a/android/build.gradle b/android/build.gradle
index c25e978..4ed40b4 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -22,6 +22,13 @@ android {
         minSdkVersion 16
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
+    }
+    kotlinOptions {
+        jvmTarget = '17'
+    }
     lintOptions {
         disable 'InvalidPackage'
     }
diff --git a/android/src/main/kotlin/org/jezequel/secure_application/SecureApplicationPlugin.kt b/android/src/main/kotlin/org/jezequel/secure_application/SecureApplicationPlugin.kt
index 4f0b3ac..a77098b 100644
--- a/android/src/main/kotlin/org/jezequel/secure_application/SecureApplicationPlugin.kt
+++ b/android/src/main/kotlin/org/jezequel/secure_application/SecureApplicationPlugin.kt
@@ -8,7 +8,6 @@ import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler
 import io.flutter.plugin.common.MethodChannel.Result
-import io.flutter.plugin.common.PluginRegistry.Registrar
 import android.view.WindowManager.LayoutParams;
 import androidx.lifecycle.Lifecycle
 import io.flutter.embedding.engine.plugins.activity.ActivityAware
@@ -61,23 +60,6 @@ public class SecureApplicationPlugin: FlutterPlugin, MethodCallHandler, Activity
     // not used for now but might be used to add some features in the future
   }
 
-  // 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.
-  companion object {
-    @JvmStatic
-    fun registerWith(registrar: Registrar) {
-      val channel = MethodChannel(registrar.messenger(), "secure_application")
-      channel.setMethodCallHandler(SecureApplicationPlugin())
-    }
-  }
-
   override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
     if (call.method == "secure") {
       activity?.window?.addFlags(LayoutParams.FLAG_SECURE)