diff --git a/Src/Newtonsoft.Json.Tests/JsonConvertTest.cs b/Src/Newtonsoft.Json.Tests/JsonConvertTest.cs
index 69066175..2953cd90 100644
--- a/Src/Newtonsoft.Json.Tests/JsonConvertTest.cs
+++ b/Src/Newtonsoft.Json.Tests/JsonConvertTest.cs
@@ -575,7 +575,7 @@ now brown cow?", '"', true);
         {
           Assert.AreEqual(value, parsed);
         }
-        catch (Exception ex)
+        catch (Exception)
         {
           long valueTicks = GetTicks(value);
           long parsedTicks = GetTicks(parsed);
@@ -601,7 +601,7 @@ now brown cow?", '"', true);
       {
         Assert.AreEqual(value, parsed);
       }
-      catch (Exception ex)
+      catch (Exception)
       {
         // JavaScript ticks aren't as precise, recheck after rounding
         long valueTicks = GetTicks(value);
diff --git a/Src/Newtonsoft.Json.Tests/Linq/JValueTests.cs b/Src/Newtonsoft.Json.Tests/Linq/JValueTests.cs
index 867d413b..859361bf 100644
--- a/Src/Newtonsoft.Json.Tests/Linq/JValueTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Linq/JValueTests.cs
@@ -120,7 +120,7 @@ namespace Newtonsoft.Json.Tests.Linq
     }
 
     [Test]
-    public void ToString()
+    public void JValueToString()
     {
       JValue v;
 
diff --git a/Src/Newtonsoft.Json.Tests/Linq/LinqToJsonTest.cs b/Src/Newtonsoft.Json.Tests/Linq/LinqToJsonTest.cs
index 43167e5d..fae4e66b 100644
--- a/Src/Newtonsoft.Json.Tests/Linq/LinqToJsonTest.cs
+++ b/Src/Newtonsoft.Json.Tests/Linq/LinqToJsonTest.cs
@@ -27,7 +27,6 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 #if !NETFX_CORE
-using System.IO;
 using NUnit.Framework;
 #else
 using Microsoft.VisualStudio.TestPlatform.UnitTestFramework;
diff --git a/Src/Newtonsoft.Json.Tests/PerformanceTests.cs b/Src/Newtonsoft.Json.Tests/PerformanceTests.cs
index 0eb49f61..d692480f 100644
--- a/Src/Newtonsoft.Json.Tests/PerformanceTests.cs
+++ b/Src/Newtonsoft.Json.Tests/PerformanceTests.cs
@@ -772,7 +772,6 @@ namespace Newtonsoft.Json.Tests
     public void JObjectToString()
     {
       JObject test = JObject.Parse(JsonText);
-      IsoDateTimeConverter isoDateTimeConverter = null; // = new IsoDateTimeConverter();
 
       TimeOperation<object>(() =>
         {
@@ -789,7 +788,6 @@ namespace Newtonsoft.Json.Tests
     public void JObjectToString2()
     {
       JObject test = JObject.Parse(JsonText);
-      IsoDateTimeConverter isoDateTimeConverter = null; // = new IsoDateTimeConverter();
       MemoryStream ms = new MemoryStream();
 
       TimeOperation<object>(() =>
diff --git a/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs b/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
index 6326d53d..888ec462 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/JsonSerializerTest.cs
@@ -7311,7 +7311,7 @@ Parameter name: value",
 
   internal class Bb : Aa
   {
-    public bool no;
+    public new bool no;
   }
 
 #if !(NET35 || NET20 || SILVERLIGHT || WINDOWS_PHONE)
diff --git a/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs b/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
index 9c532305..67c66689 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
@@ -1497,6 +1497,14 @@ namespace Newtonsoft.Json.Tests.Serialization
 
       return Equals(w.Content, Content);
     }
+
+    public override int GetHashCode()
+    {
+      if (Content == null)
+        return 0;
+
+      return Content.GetHashCode();
+    }
   }
 
   public interface IExample
@@ -1542,6 +1550,14 @@ namespace Newtonsoft.Json.Tests.Serialization
         return false;
       }
     }
+
+    public override int GetHashCode()
+    {
+      if (Name == null)
+        return 0;
+
+      return Name.GetHashCode();
+    }
   }
 #endif
 
diff --git a/Src/Newtonsoft.Json/Serialization/JsonArrayContract.cs b/Src/Newtonsoft.Json/Serialization/JsonArrayContract.cs
index e04bf6c7..b5952e9b 100644
--- a/Src/Newtonsoft.Json/Serialization/JsonArrayContract.cs
+++ b/Src/Newtonsoft.Json/Serialization/JsonArrayContract.cs
@@ -47,6 +47,10 @@ namespace Newtonsoft.Json.Serialization
     /// <value>The <see cref="Type"/> of the collection items.</value>
     public Type CollectionItemType { get; private set; }
 
+    /// <summary>
+    /// Gets a value indicating whether the collection type is a multidimensional array.
+    /// </summary>
+    /// <value><c>true</c> if the collection type is a multidimensional array; otherwise, <c>false</c>.</value>
     public bool IsMultidimensionalArray { get; private set; }
 
     private readonly bool _isCollectionItemTypeNullableType;