diff --git a/cryptography_flutter/android/build.gradle b/cryptography_flutter/android/build.gradle
index 6b37889..eb90d08 100644
--- a/cryptography_flutter/android/build.gradle
+++ b/cryptography_flutter/android/build.gradle
@@ -25,7 +25,8 @@ apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
+    namespace 'dev.dint.cryptography_flutter'
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
@@ -48,4 +49,4 @@ android {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "androidx.security:security-crypto:1.1.0-alpha05"
-}
\ No newline at end of file
+}
diff --git a/cryptography_flutter/android/src/main/kotlin/dev/dint/cryptography_flutter/CryptographyFlutterPlugin.kt b/cryptography_flutter/android/src/main/kotlin/dev/dint/cryptography_flutter/CryptographyFlutterPlugin.kt
index f37d14e..c920921 100644
--- a/cryptography_flutter/android/src/main/kotlin/dev/dint/cryptography_flutter/CryptographyFlutterPlugin.kt
+++ b/cryptography_flutter/android/src/main/kotlin/dev/dint/cryptography_flutter/CryptographyFlutterPlugin.kt
@@ -21,7 +21,6 @@ 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 java.math.BigInteger
 import java.security.*
 import java.security.interfaces.*