diff --git a/src/Umbraco.Core/Cache/AppCaches.cs b/src/Umbraco.Abstractions/Cache/AppCaches.cs
similarity index 100%
rename from src/Umbraco.Core/Cache/AppCaches.cs
rename to src/Umbraco.Abstractions/Cache/AppCaches.cs
diff --git a/src/Umbraco.Core/Cache/CacheRefresherBase.cs b/src/Umbraco.Abstractions/Cache/CacheRefresherBase.cs
similarity index 100%
rename from src/Umbraco.Core/Cache/CacheRefresherBase.cs
rename to src/Umbraco.Abstractions/Cache/CacheRefresherBase.cs
diff --git a/src/Umbraco.Core/Cache/JsonCacheRefresherBase.cs b/src/Umbraco.Abstractions/Cache/JsonCacheRefresherBase.cs
similarity index 100%
rename from src/Umbraco.Core/Cache/JsonCacheRefresherBase.cs
rename to src/Umbraco.Abstractions/Cache/JsonCacheRefresherBase.cs
diff --git a/src/Umbraco.Core/Serialization/JsonNetSerializer.cs b/src/Umbraco.Core/Serialization/JsonNetSerializer.cs
index 46f23ca35e..a8f97a52b0 100644
--- a/src/Umbraco.Core/Serialization/JsonNetSerializer.cs
+++ b/src/Umbraco.Core/Serialization/JsonNetSerializer.cs
@@ -31,7 +31,7 @@ namespace Umbraco.Core.Serialization
 
             _settings.NullValueHandling = NullValueHandling.Include;
             _settings.ReferenceLoopHandling = ReferenceLoopHandling.Serialize;
-            _settings.TypeNameHandling = TypeNameHandling.Objects;
+            _settings.TypeNameHandling = TypeNameHandling.Objects; // FIXME: Is this intended?? This is a security issue
             _settings.ConstructorHandling = ConstructorHandling.AllowNonPublicDefaultConstructor;
         }
 
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 50568c76a5..9233dd9e04 100755
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -124,19 +124,16 @@
       <DependentUpon>Constants.cs</DependentUpon>
     </Compile>
     -->
-    <Compile Include="Cache\CacheRefresherBase.cs" />
     <Compile Include="Cache\DefaultRepositoryCachePolicy.cs" />
     <Compile Include="Cache\FastDictionaryAppCacheBase.cs" />
     <Compile Include="Cache\ObjectCacheAppCache.cs" />
     <Compile Include="Compose\AuditEventsComponent.cs" />
-    <Compile Include="Cache\AppCaches.cs" />
     <Compile Include="Cache\CacheRefresherCollection.cs" />
     <Compile Include="Cache\CacheRefresherCollectionBuilder.cs" />
     <Compile Include="Cache\FastDictionaryAppCache.cs" />
     <Compile Include="Cache\FullDataSetRepositoryCachePolicy.cs" />
     <Compile Include="Cache\HttpRequestAppCache.cs" />
     <Compile Include="Cache\WebCachingAppCache.cs" />
-    <Compile Include="Cache\JsonCacheRefresherBase.cs" />
     <Compile Include="Cache\PayloadCacheRefresherBase.cs" />
     <Compile Include="Cache\RepositoryCachePolicyBase.cs" />
     <Compile Include="Cache\SingleItemsOnlyRepositoryCachePolicy.cs" />