diff --git a/admobDemo.AndroidPhone/ad/AdWrapper.cs b/admobDemo.AndroidPhone/ad/AdWrapper.cs
index 10ccafa..5c93d8f 100644
--- a/admobDemo.AndroidPhone/ad/AdWrapper.cs
+++ b/admobDemo.AndroidPhone/ad/AdWrapper.cs
@@ -23,7 +23,6 @@ namespace admobDemo.AndroidPhone.ad
         {
             var ad = new InterstitialAd(con);
             ad.AdUnitId = UnitID;
-            var requestbuilder = new AdRequest.Builder();
             return ad;
         }