diff --git a/src/Stratis.Features.FederatedPeg/Conversion/ConversionRequestKeyValueStore.cs b/src/Stratis.Features.FederatedPeg/Conversion/ConversionRequestKeyValueStore.cs
index 40f9beee43..5b1b449715 100644
--- a/src/Stratis.Features.FederatedPeg/Conversion/ConversionRequestKeyValueStore.cs
+++ b/src/Stratis.Features.FederatedPeg/Conversion/ConversionRequestKeyValueStore.cs
@@ -13,8 +13,6 @@ public interface IConversionRequestKeyValueStore : IKeyValueRepository
     {
         List<ConversionRequest> GetAll();
         List<ConversionRequest> GetAll(ConversionRequestType type, bool onlyUnprocessed);
-
-        void Delete(string key);
     }
 
     public class ConversionRequestKeyValueStore : IConversionRequestKeyValueStore
diff --git a/src/Stratis.Features.FederatedPeg/TargetChain/MaturedBlocksSyncManager.cs b/src/Stratis.Features.FederatedPeg/TargetChain/MaturedBlocksSyncManager.cs
index aa9c0f3404..076ecbfd34 100644
--- a/src/Stratis.Features.FederatedPeg/TargetChain/MaturedBlocksSyncManager.cs
+++ b/src/Stratis.Features.FederatedPeg/TargetChain/MaturedBlocksSyncManager.cs
@@ -63,7 +63,6 @@ public class MaturedBlocksSyncManager : IMaturedBlocksSyncManager
         private readonly IConversionRequestFeeService conversionRequestFeeService;
         private readonly Network network;
         private readonly IFederationManager federationManager;
-        private int mainChainActivationHeight;
         private IAsyncLoop requestDepositsTask;
 
         /// <summary>When we are fully synced we stop asking for more blocks for this amount of time.</summary>
@@ -112,7 +111,6 @@ public MaturedBlocksSyncManager(
             this.conversionRequestFeeService = conversionRequestFeeService;
             this.network = network;
             this.federationManager = federationManager;
-            this.mainChainActivationHeight = int.MaxValue;
 
             this.lockObject = new object();
             this.logger = LogManager.GetCurrentClassLogger();