diff --git a/build.gradle b/build.gradle
index adf51f03..04bbf1f2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ allprojects{
 
     tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
         kotlinOptions {
-            freeCompilerArgs = ['-Xjvm-default=enable']
+            freeCompilerArgs = ['-Xjvm-default=all']
             jvmTarget = "1.8"
         }
     }
diff --git a/samples/java-android-app/src/main/java/com/amplitude/android/sample/MainApplication.java b/samples/java-android-app/src/main/java/com/amplitude/android/sample/MainApplication.java
index bc41bf7a..50a85fbe 100644
--- a/samples/java-android-app/src/main/java/com/amplitude/android/sample/MainApplication.java
+++ b/samples/java-android-app/src/main/java/com/amplitude/android/sample/MainApplication.java
@@ -85,8 +85,4 @@ public BaseEvent execute(@NonNull BaseEvent event) {
         return event;
     }
 
-    @Override
-    public void teardown() {
-        // Clean up any resources from setup if necessary
-    }
 }