diff --git a/src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs b/src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs
index 1420a4214a..2b31fb2032 100644
--- a/src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs
+++ b/src/Umbraco.Core/Persistence/SqlSyntax/ISqlSyntaxProvider.cs
@@ -6,21 +6,6 @@ using Umbraco.Core.Persistence.Querying;
 
 namespace Umbraco.Core.Persistence.SqlSyntax
 {
-    internal static class SqlSyntaxProviderExtensions
-    {
-        /// <summary>
-        /// Returns the quotes tableName.columnName combo
-        /// </summary>
-        /// <param name="sql"></param>
-        /// <param name="tableName"></param>
-        /// <param name="columnName"></param>
-        /// <returns></returns>
-        public static string GetQuotedColumn(this ISqlSyntaxProvider sql, string tableName, string columnName)
-        {
-            return sql.GetQuotedTableName(tableName) + "." + sql.GetQuotedColumnName(columnName);
-        }
-    }
-
     /// <summary>
     /// Defines an SqlSyntaxProvider
     /// </summary>
diff --git a/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxContext.cs b/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxContext.cs
index 34d2ff616b..0de58b7c0f 100644
--- a/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxContext.cs
+++ b/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxContext.cs
@@ -24,23 +24,4 @@ namespace Umbraco.Core.Persistence.SqlSyntax
         }
     }
 
-    internal static class SqlSyntaxProviderExtensions
-    {
-        /// <summary>
-        /// This is used to generate a delete query that uses a sub-query to select the data, it is required because there's a very particular syntax that
-        /// needs to be used to work for all servers: MySql, SQLCE and MSSQL
-        /// </summary>
-        /// <returns></returns>
-        /// <remarks>
-        /// See: http://issues.umbraco.org/issue/U4-3876
-        /// </remarks>
-        public static string GetDeleteSubquery(this ISqlSyntaxProvider sqlProvider, string tableName, string columnName, Sql subQuery)
-        {
-            return string.Format(@"DELETE FROM {0} WHERE {1} IN (SELECT {1} FROM ({2}) x)",
-                                    sqlProvider.GetQuotedTableName(tableName),
-                                    sqlProvider.GetQuotedColumnName(columnName),
-                                    subQuery.SQL);
-        }
-
-    }
 }
\ No newline at end of file
diff --git a/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderExtensions.cs b/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderExtensions.cs
new file mode 100644
index 0000000000..fedd13dd8d
--- /dev/null
+++ b/src/Umbraco.Core/Persistence/SqlSyntax/SqlSyntaxProviderExtensions.cs
@@ -0,0 +1,33 @@
+namespace Umbraco.Core.Persistence.SqlSyntax
+{
+    internal static class SqlSyntaxProviderExtensions
+    {
+        /// <summary>
+        /// Returns the quotes tableName.columnName combo
+        /// </summary>
+        /// <param name="sql"></param>
+        /// <param name="tableName"></param>
+        /// <param name="columnName"></param>
+        /// <returns></returns>
+        public static string GetQuotedColumn(this ISqlSyntaxProvider sql, string tableName, string columnName)
+        {
+            return sql.GetQuotedTableName(tableName) + "." + sql.GetQuotedColumnName(columnName);
+        }
+
+        /// <summary>
+        /// This is used to generate a delete query that uses a sub-query to select the data, it is required because there's a very particular syntax that
+        /// needs to be used to work for all servers: MySql, SQLCE and MSSQL
+        /// </summary>
+        /// <returns></returns>
+        /// <remarks>
+        /// See: http://issues.umbraco.org/issue/U4-3876
+        /// </remarks>
+        public static string GetDeleteSubquery(this ISqlSyntaxProvider sqlProvider, string tableName, string columnName, Sql subQuery)
+        {
+            return string.Format(@"DELETE FROM {0} WHERE {1} IN (SELECT {1} FROM ({2}) x)",
+                                    sqlProvider.GetQuotedTableName(tableName),
+                                    sqlProvider.GetQuotedColumnName(columnName),
+                                    subQuery.SQL);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Umbraco.Core/Services/ContentService.cs b/src/Umbraco.Core/Services/ContentService.cs
index 09d2f74da3..2dcd34e451 100644
--- a/src/Umbraco.Core/Services/ContentService.cs
+++ b/src/Umbraco.Core/Services/ContentService.cs
@@ -1368,30 +1368,6 @@ namespace Umbraco.Core.Services
 
         #region Internal Methods
 
-        ///// <summary>
-        ///// Internal method that Publishes a single <see cref="IContent"/> object for legacy purposes.
-        ///// </summary>
-        ///// <param name="content">The <see cref="IContent"/> to publish</param>
-        ///// <param name="userId">Optional Id of the User issueing the publishing</param>
-        ///// <returns>True if publishing succeeded, otherwise False</returns>
-        //internal Attempt<PublishStatus> PublishInternal(IContent content, int userId = 0)
-        //{
-        //    return SaveAndPublishDo(content, userId);
-        //}
-
-        ///// <summary>
-        ///// Internal method that Publishes a <see cref="IContent"/> object and all its children for legacy purposes.
-        ///// </summary>
-        ///// <param name="content">The <see cref="IContent"/> to publish along with its children</param>
-        ///// <param name="userId">Optional Id of the User issueing the publishing</param>
-        ///// <param name="includeUnpublished">If set to true, this will also publish descendants that are completely unpublished, normally this will only publish children that have previously been published</param>
-        ///// <returns>True if publishing succeeded, otherwise False</returns>
-        //internal IEnumerable<Attempt<PublishStatus>> PublishWithChildrenInternal(
-        //    IContent content, int userId = 0, bool includeUnpublished = false)
-        //{
-        //    return PublishWithChildrenDo(content, userId, includeUnpublished);
-        //}
-
         /// <summary>
         /// Gets a collection of <see cref="IContent"/> descendants by the first Parent.
         /// </summary>
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index cfb88c8bbd..de40c4a1c0 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -339,6 +339,7 @@
     <Compile Include="Models\TaggableObjectTypes.cs" />
     <Compile Include="Models\TemplateNode.cs" />
     <Compile Include="Packaging\PackageBinaryInspector.cs" />
+    <Compile Include="Persistence\SqlSyntax\SqlSyntaxProviderExtensions.cs" />
     <Compile Include="PropertyEditors\DefaultPropertyValueConverterAttribute.cs" />
     <Compile Include="Persistence\Migrations\Upgrades\TargetVersionSeven\UpdateRelatedLinksData.cs" />
     <Compile Include="PropertyEditors\IValueEditor.cs" />