diff --git a/src/Exceptionless/Extensions/DataDictionaryExtensions.cs b/src/Exceptionless/Extensions/DataDictionaryExtensions.cs
index f22a7725..36170059 100644
--- a/src/Exceptionless/Extensions/DataDictionaryExtensions.cs
+++ b/src/Exceptionless/Extensions/DataDictionaryExtensions.cs
@@ -104,7 +104,7 @@ public static void AddObject(this IData data, ExtendedDataInfo info, Exceptionle
                 : client.Configuration.DataExclusions.ToArray();
 
             string name = !String.IsNullOrWhiteSpace(info.Name) ? info.Name.Trim() : null;
-            Type dataType = info.Data.GetType();
+            var dataType = info.Data.GetType();
             if (String.IsNullOrEmpty(name)) {
                 name = dataType.Name;
                 int index = 1;
@@ -115,10 +115,7 @@ public static void AddObject(this IData data, ExtendedDataInfo info, Exceptionle
             }
 
             if (dataType == typeof(bool) || dataType == typeof(string) || dataType.IsNumeric()) {
-                if (data.Data.ContainsKey(name))
-                    data.Data[name] = info.Data;
-                else
-                    data.Data.Add(name, info.Data);
+                data.Data[name] = info.Data;
 
                 return;
             }
@@ -129,7 +126,7 @@ public static void AddObject(this IData data, ExtendedDataInfo info, Exceptionle
                     json = info.Data.ToString();
                 } else {
                     var serializer = client.Configuration.Resolver.GetJsonSerializer();
-                    json = serializer.Serialize(info.Data, exclusions, info.MaxDepthToSerialize.HasValue ? info.MaxDepthToSerialize.Value : 5, info.IgnoreSerializationErrors);
+                    json = serializer.Serialize(info.Data, exclusions, info.MaxDepthToSerialize.GetValueOrDefault(5), info.IgnoreSerializationErrors);
                 }
             } catch (Exception ex) {
                 json = ex.ToString();
@@ -138,10 +135,7 @@ public static void AddObject(this IData data, ExtendedDataInfo info, Exceptionle
             if (String.IsNullOrEmpty(json))
                 return;
 
-            if (data.Data.ContainsKey(name))
-                data.Data[name] = json;
-            else
-                data.Data.Add(name, json);
+            data.Data[name] = json;
         }
     }
 }
\ No newline at end of file
diff --git a/src/Exceptionless/Serializer/ExceptionlessContractResolver.cs b/src/Exceptionless/Serializer/ExceptionlessContractResolver.cs
index 2a525f9d..09d87e9c 100644
--- a/src/Exceptionless/Serializer/ExceptionlessContractResolver.cs
+++ b/src/Exceptionless/Serializer/ExceptionlessContractResolver.cs
@@ -13,17 +13,17 @@ public ExceptionlessContractResolver(Func<JsonProperty, object, bool> includePro
         }
 
         protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization) {
-            JsonProperty property = base.CreateProperty(member, memberSerialization);
+            var property = base.CreateProperty(member, memberSerialization);
             if (_includeProperty == null)
                 return property;
             
-            Predicate<object> shouldSerialize = property.ShouldSerialize;
+            var shouldSerialize = property.ShouldSerialize;
             property.ShouldSerialize = obj => _includeProperty(property, obj) && (shouldSerialize == null || shouldSerialize(obj));
             return property;
         }
 
         protected override JsonDictionaryContract CreateDictionaryContract(Type objectType) {
-            JsonDictionaryContract contract = base.CreateDictionaryContract(objectType);
+            var contract = base.CreateDictionaryContract(objectType);
             contract.DictionaryKeyResolver = propertyName => propertyName;
             return contract;
         }
diff --git a/src/Platforms/Exceptionless.NLog/ExceptionlessTarget.cs b/src/Platforms/Exceptionless.NLog/ExceptionlessTarget.cs
index 1373f375..2cc39981 100644
--- a/src/Platforms/Exceptionless.NLog/ExceptionlessTarget.cs
+++ b/src/Platforms/Exceptionless.NLog/ExceptionlessTarget.cs
@@ -58,19 +58,19 @@ protected override void Write(LogEventInfo logEvent) {
             if (!_client.Configuration.IsValid)
                 return;
 
-            LogLevel minLogLevel = LogLevel.FromOrdinal(_client.Configuration.Settings.GetMinLogLevel(logEvent.LoggerName).Ordinal);
+            var minLogLevel = LogLevel.FromOrdinal(_client.Configuration.Settings.GetMinLogLevel(logEvent.LoggerName).Ordinal);
             if (logEvent.Level < minLogLevel)
                 return;
 
-            var formattedMessage = RenderLogEvent(Layout, logEvent);
+            string formattedMessage = RenderLogEvent(Layout, logEvent);
             var builder = _client.CreateFromLogEvent(logEvent, formattedMessage);
 
-            var userIdentity = RenderLogEvent(UserIdentity, logEvent);
-            var userIdentityName = RenderLogEvent(UserIdentityName, logEvent);
+            string userIdentity = RenderLogEvent(UserIdentity, logEvent);
+            string userIdentityName = RenderLogEvent(UserIdentityName, logEvent);
             builder.Target.SetUserIdentity(userIdentity, userIdentityName);
 
             foreach (var field in Fields) {
-                var renderedField = RenderLogEvent(field.Layout, logEvent);
+                string renderedField = RenderLogEvent(field.Layout, logEvent);
                 if (!String.IsNullOrWhiteSpace(renderedField))
                     builder.AddObject(renderedField, field.Name);
             }