diff --git a/src/Umbraco.Core/DictionaryExtensions.cs b/src/Umbraco.Abstractions/DictionaryExtensions.cs
similarity index 99%
rename from src/Umbraco.Core/DictionaryExtensions.cs
rename to src/Umbraco.Abstractions/DictionaryExtensions.cs
index d9e998dbd1..0c0049a4b9 100644
--- a/src/Umbraco.Core/DictionaryExtensions.cs
+++ b/src/Umbraco.Abstractions/DictionaryExtensions.cs
@@ -12,7 +12,7 @@ namespace Umbraco.Core
     ///<summary>
     /// Extension methods for Dictionary & ConcurrentDictionary
     ///</summary>
-    internal static class DictionaryExtensions
+    public static class DictionaryExtensions
     {
 
         /// <summary>
diff --git a/src/Umbraco.Core/EnumExtensions.cs b/src/Umbraco.Abstractions/EnumExtensions.cs
similarity index 100%
rename from src/Umbraco.Core/EnumExtensions.cs
rename to src/Umbraco.Abstractions/EnumExtensions.cs
diff --git a/src/Umbraco.Core/HashCodeHelper.cs b/src/Umbraco.Abstractions/HashCodeHelper.cs
similarity index 98%
rename from src/Umbraco.Core/HashCodeHelper.cs
rename to src/Umbraco.Abstractions/HashCodeHelper.cs
index f3dc7fcd0e..dd9d5c89dc 100644
--- a/src/Umbraco.Core/HashCodeHelper.cs
+++ b/src/Umbraco.Abstractions/HashCodeHelper.cs
@@ -5,7 +5,7 @@ namespace Umbraco.Core
     /// <summary>
     /// Borrowed from http://stackoverflow.com/a/2575444/694494
     /// </summary>
-    internal static class HashCodeHelper
+    public static class HashCodeHelper
     {
         public static int GetHashCode<T1, T2>(T1 arg1, T2 arg2)
         {
diff --git a/src/Umbraco.Core/HashGenerator.cs b/src/Umbraco.Abstractions/HashGenerator.cs
similarity index 90%
rename from src/Umbraco.Core/HashGenerator.cs
rename to src/Umbraco.Abstractions/HashGenerator.cs
index 80cc3c3de4..62be0dacdd 100644
--- a/src/Umbraco.Core/HashGenerator.cs
+++ b/src/Umbraco.Abstractions/HashGenerator.cs
@@ -14,7 +14,7 @@ namespace Umbraco.Core
     /// This will use the crypto libs to generate the hash and will try to ensure that
     /// strings, etc... are not re-allocated so it's not consuming much memory.
     /// </remarks>
-    internal class HashGenerator : DisposableObjectSlim
+    public class HashGenerator : DisposableObjectSlim
     {
         public HashGenerator()
         {
@@ -24,33 +24,33 @@ namespace Umbraco.Core
         private readonly MemoryStream _ms = new MemoryStream();
         private StreamWriter _writer;
 
-        internal void AddInt(int i)
+        public void AddInt(int i)
         {
             _writer.Write(i);
         }
 
-        internal void AddLong(long i)
+        public void AddLong(long i)
         {
             _writer.Write(i);
         }
 
-        internal void AddObject(object o)
+        public void AddObject(object o)
         {
             _writer.Write(o);
         }
 
-        internal void AddDateTime(DateTime d)
+        public void AddDateTime(DateTime d)
         {
             _writer.Write(d.Ticks);;
         }
 
-        internal void AddString(string s)
+        public void AddString(string s)
         {
             if (s != null)
                 _writer.Write(s);
         }
 
-        internal void AddCaseInsensitiveString(string s)
+        public void AddCaseInsensitiveString(string s)
         {
             //I've tried to no allocate a new string with this which can be done if we use the CompareInfo.GetSortKey method which will create a new
             //byte array that we can use to write to the output, however this also allocates new objects so i really don't think the performance
@@ -63,7 +63,7 @@ namespace Umbraco.Core
                 _writer.Write(s.ToUpperInvariant());
         }
 
-        internal void AddFileSystemItem(FileSystemInfo f)
+        public void AddFileSystemItem(FileSystemInfo f)
         {
             //if it doesn't exist, don't proceed.
             if (f.Exists == false)
@@ -94,12 +94,12 @@ namespace Umbraco.Core
             }
         }
 
-        internal void AddFile(FileInfo f)
+        public void AddFile(FileInfo f)
         {
             AddFileSystemItem(f);
         }
 
-        internal void AddFolder(DirectoryInfo d)
+        public void AddFolder(DirectoryInfo d)
         {
             AddFileSystemItem(d);
         }
@@ -108,7 +108,7 @@ namespace Umbraco.Core
         /// Returns the generated hash output of all added objects
         /// </summary>
         /// <returns></returns>
-        internal string GenerateHash()
+        public string GenerateHash()
         {
             //flush,close,dispose the writer,then create a new one since it's possible to keep adding after GenerateHash is called.
 
diff --git a/src/Umbraco.Core/Models/Sections/ISection.cs b/src/Umbraco.Abstractions/Sections/ISection.cs
similarity index 100%
rename from src/Umbraco.Core/Models/Sections/ISection.cs
rename to src/Umbraco.Abstractions/Sections/ISection.cs
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 51b87621f4..dbbaead7b9 100755
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -307,7 +307,6 @@
     <Compile Include="RegisterExtensions.cs" />
     <Compile Include="ContentVariationExtensions.cs" />
     <Compile Include="Deploy\IDataTypeConfigurationConnector.cs" />
-    <Compile Include="EnumExtensions.cs" />
     <Compile Include="Events\CancellableEnumerableObjectEventArgs.cs" />
     <Compile Include="Events\CancellableObjectEventArgsOfTEventObject.cs" />
     <Compile Include="Events\ContentPublishedEventArgs.cs" />
@@ -445,7 +444,6 @@
     <Compile Include="Models\PublishedContent\ThreadCultureVariationContextAccessor.cs" />
     <Compile Include="Models\PublishedContent\VariationContextAccessorExtensions.cs" />
     <Compile Include="Models\SimpleContentType.cs" />
-    <Compile Include="Models\Sections\ISection.cs" />
     <Compile Include="PackageActions\AllowDoctype.cs" />
     <Compile Include="PackageActions\PublishRootDocument.cs" />
     <Compile Include="Packaging\CompiledPackageXmlParser.cs" />
@@ -545,7 +543,6 @@
     <Compile Include="Deploy\IUniqueIdentifyingServiceConnector.cs" />
     <Compile Include="Deploy\IValueConnector.cs" />
     <Compile Include="Diagnostics\MiniDump.cs" />
-    <Compile Include="DictionaryExtensions.cs" />
     <Compile Include="Dictionary\ICultureDictionary.cs" />
     <Compile Include="Dictionary\ICultureDictionaryFactory.cs" />
     <Compile Include="EmailSender.cs" />
@@ -595,8 +592,6 @@
     <Compile Include="ExpressionExtensions.cs" />
     <Compile Include="FileResources\Files.Designer.cs" />
     <Compile Include="GuidUdi.cs" />
-    <Compile Include="HashCodeHelper.cs" />
-    <Compile Include="HashGenerator.cs" />
     <Compile Include="HttpContextExtensions.cs" />
     <Compile Include="IDisposeOnRequestEnd.cs" />
     <Compile Include="IntExtensions.cs" />