diff --git a/sample/build.gradle b/sample/build.gradle
index e0dd832..8ff2d6e 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -16,6 +16,8 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
+    def mParticleKey = "{YOUR-MPARTICLE-KEY}"
+    def mParticleSecret = "{YOUR-MPARTICLE-SECRET}"
     compileSdkVersion 28
 
     defaultConfig {
diff --git a/src/main/java/com/mparticle/kits/ButtonKit.java b/src/main/java/com/mparticle/kits/ButtonKit.java
index 4101108..ba507cf 100755
--- a/src/main/java/com/mparticle/kits/ButtonKit.java
+++ b/src/main/java/com/mparticle/kits/ButtonKit.java
@@ -19,6 +19,7 @@
 import com.mparticle.AttributionResult;
 import com.mparticle.commerce.CommerceEvent;
 import com.mparticle.commerce.Product;
+import com.mparticle.identity.MParticleUser;
 import com.mparticle.internal.Logger;
 
 import java.math.BigDecimal;
@@ -33,8 +34,8 @@
  * Learn more at our <a href="https://developer.usebutton.com/guides/merchants/android/button-merchant-integration-guide">Developer Docs</a>
  */
 public class ButtonKit extends KitIntegration implements KitIntegration.ActivityListener,
-        KitIntegration.CommerceListener, ButtonMerchant.AttributionTokenListener,
-        PostInstallIntentListener {
+        KitIntegration.CommerceListener, KitIntegration.IdentityListener,
+        ButtonMerchant.AttributionTokenListener, PostInstallIntentListener {
 
     public static final String ATTRIBUTE_REFERRER = "com.usebutton.source_token";
 
@@ -225,6 +226,31 @@ public List<ReportingMessage> logEvent(CommerceEvent commerceEvent) {
         return null;
     }
 
+    /*
+     * Overrides for IdentityListener
+     */
+
+    @Override
+    public void onIdentifyCompleted(MParticleUser mParticleUser,
+            FilteredIdentityApiRequest filteredIdentityApiRequest) {}
+
+    @Override
+    public void onLoginCompleted(MParticleUser mParticleUser,
+            FilteredIdentityApiRequest filteredIdentityApiRequest) {}
+
+    @Override
+    public void onLogoutCompleted(MParticleUser mParticleUser,
+            FilteredIdentityApiRequest filteredIdentityApiRequest) {
+        merchant.clearAllData(applicationContext);
+    }
+
+    @Override
+    public void onModifyCompleted(MParticleUser mParticleUser,
+            FilteredIdentityApiRequest filteredIdentityApiRequest) {}
+
+    @Override
+    public void onUserIdentified(MParticleUser mParticleUser) {}
+
     /*
      * Utility methods
      */
diff --git a/src/test/java/com/mparticle/kits/ButtonKitTests.java b/src/test/java/com/mparticle/kits/ButtonKitTests.java
index 2f5277a..bc2c54c 100644
--- a/src/test/java/com/mparticle/kits/ButtonKitTests.java
+++ b/src/test/java/com/mparticle/kits/ButtonKitTests.java
@@ -17,6 +17,7 @@
 import com.mparticle.commerce.CommerceEvent;
 import com.mparticle.commerce.Product;
 import com.mparticle.identity.IdentityApi;
+import com.mparticle.identity.MParticleUser;
 import com.mparticle.internal.CoreCallbacks;
 
 import org.json.JSONArray;
@@ -185,6 +186,13 @@ public void reset_shouldClearAllData() {
         verify(merchant).clearAllData(context);
     }
 
+    @Test
+    public void onLogoutCompleted_shouldClearAllData() {
+        buttonKit.onKitCreate(settings, context);
+        buttonKit.onLogoutCompleted(mock(MParticleUser.class), mock(FilteredIdentityApiRequest.class));
+        verify(merchant).clearAllData(context);
+    }
+
     @Test
     public void logEvent_noProductAction_shouldIgnoreCall() {
         Product product = new Product.Builder("Test", "987", 1).build();