diff --git a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/BidRequester.java b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/BidRequester.java
index 468e1f7cd..00c0a8e15 100644
--- a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/BidRequester.java
+++ b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/BidRequester.java
@@ -36,7 +36,9 @@ public BidRequester(AdUnitConfiguration config, AdRequestInput adRequestInput, R
     @Override
     public void startAdRequest() {
         if (TextUtils.isEmpty(adConfiguration.getConfigId())) {
-            adResponseCallBack.onError("No configuration id specified.", 0);
+            if (adResponseCallBack != null) {
+                adResponseCallBack.onError("No configuration id specified.", 0);
+            }
             return;
         }
 
diff --git a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/Requester.java b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/Requester.java
index 962e67a2c..d42704f73 100644
--- a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/Requester.java
+++ b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/networking/modelcontrollers/Requester.java
@@ -47,6 +47,7 @@
 import org.prebid.mobile.rendering.utils.helpers.AppInfoManager;
 import org.prebid.mobile.rendering.utils.helpers.ExternalViewerUtils;
 
+import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -59,6 +60,7 @@ public abstract class Requester {
     protected URLBuilder urlBuilder;
     protected ResponseHandler adResponseCallBack;
     protected BaseNetworkTask networkTask;
+    protected AdIdManager.FetchAdIdInfoTask fetchAdIdInfoTask;
 
     Requester(
             AdUnitConfiguration config,
@@ -86,7 +88,11 @@ public void destroy() {
             networkTask.destroy();
         }
         networkTask = null;
+        if (fetchAdIdInfoTask != null) {
+            fetchAdIdInfoTask.cancel(true);
+        }
         adResponseCallBack = null;
+        fetchAdIdInfoTask = null;
     }
 
     protected List<ParameterBuilder> getParameterBuilders() {
@@ -125,7 +131,7 @@ protected void getAdId() {
 
         UserConsentManager userConsentManager = ManagersResolver.getInstance().getUserConsentManager();
         if (userConsentManager.canAccessDeviceData()) {
-            AdIdManager.initAdId(context, new AdIdFetchListener() {
+            fetchAdIdInfoTask = AdIdManager.initAdId(context, new AdIdFetchListener() {
                 @Override
                 public void adIdFetchCompletion() {
                     LogUtil.info(TAG, "Advertising id was received");
@@ -149,7 +155,9 @@ public void adIdFetchFailure() {
     private void sendAdException(String logMsg, String exceptionMsg) {
         LogUtil.warning(TAG, logMsg);
         AdException adException = new AdException(AdException.INIT_ERROR, exceptionMsg);
-        adResponseCallBack.onErrorWithException(adException, 0);
+        if (adResponseCallBack != null) {
+            adResponseCallBack.onErrorWithException(adException, 0);
+        }
     }
 
     protected void makeAdRequest() {
diff --git a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/utils/helpers/AdIdManager.java b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/utils/helpers/AdIdManager.java
index 523d8973a..ed5b57272 100644
--- a/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/utils/helpers/AdIdManager.java
+++ b/PrebidMobile/PrebidMobile-core/src/main/java/org/prebid/mobile/rendering/utils/helpers/AdIdManager.java
@@ -50,7 +50,7 @@ private AdIdManager() {
     }
 
     // Wrap method execution in try / catch to avoid crashes in runtime if publisher didn't include identifier dependencies
-    public static void initAdId(final Context context, final AdIdFetchListener listener) {
+    public static FetchAdIdInfoTask initAdId(final Context context, final AdIdFetchListener listener) {
         try {
             GoogleApiAvailability apiAvailability = GoogleApiAvailability.getInstance();
             int resultCode = apiAvailability.isGooglePlayServicesAvailable(context);
@@ -67,6 +67,7 @@ public static void initAdId(final Context context, final AdIdFetchListener liste
                         listener.adIdFetchFailure();
                     }
                 }, AD_ID_TIMEOUT_MS);
+                return getAdIdInfoTask;
             }
             else {
                 listener.adIdFetchCompletion();
@@ -75,6 +76,7 @@ public static void initAdId(final Context context, final AdIdFetchListener liste
         catch (Throwable throwable) {
             LogUtil.error(TAG, "Failed to initAdId: " + Log.getStackTraceString(throwable) + "\nDid you add necessary dependencies?");
         }
+        return null;
     }
 
     /**
@@ -97,7 +99,7 @@ public static void setAdId(String adId) {
         sAdId = adId;
     }
 
-    private static class FetchAdIdInfoTask extends AsyncTask<Void, Void, Void> {
+    public static class FetchAdIdInfoTask extends AsyncTask<Void, Void, Void> {
 
         private final WeakReference<Context> contextWeakReference;
         private final AdIdFetchListener adIdFetchListener;