diff --git a/src/Umbraco.Tests/Services/Importing/StandardMvc-Package.xml b/src/Umbraco.Tests/Services/Importing/StandardMvc-Package.xml
index ddf3d5e66f..82cbcc5d84 100644
--- a/src/Umbraco.Tests/Services/Importing/StandardMvc-Package.xml
+++ b/src/Umbraco.Tests/Services/Importing/StandardMvc-Package.xml
@@ -2256,7 +2256,7 @@ table th, td {border: 0px solid #fff;}
   <DictionaryItems />
   <Languages />
   <DataTypes>
-    <DataType Name="SW Page Picker" Id="7e062c13-7c41-4ad9-b389-41d88aeef87c" Definition="d719387b-8261-48ac-b94b-00654896d114">
+    <DataType Name="SW Page Picker" Id="7e062c13-7c41-4ad9-b389-41d88aeef87c" Definition="d719387b-8261-48ac-b94b-00654896d114" DatabaseType="Ntext">
       <PreValues>
         <PreValue Id="5" Value="content" />
         <PreValue Id="6" Value="" />
diff --git a/src/umbraco.cms/businesslogic/datatype/DataTypeDefinition.cs b/src/umbraco.cms/businesslogic/datatype/DataTypeDefinition.cs
index a83c456688..3417245798 100644
--- a/src/umbraco.cms/businesslogic/datatype/DataTypeDefinition.cs
+++ b/src/umbraco.cms/businesslogic/datatype/DataTypeDefinition.cs
@@ -1,10 +1,6 @@
 using System;
-using System.Collections.Generic;
-using System.Data;
-
 using System.Collections;
 using System.Linq;
-using Umbraco.Core.Models;
 using umbraco.DataLayer;
 using System.Xml;
 using umbraco.interfaces;
@@ -25,14 +21,6 @@ namespace umbraco.cms.businesslogic.datatype
         #region Private fields
         private Guid _controlId;
 
-        private static Dictionary<string, DataTypeDatabaseType> _databaseTypes =
-            new Dictionary<string, DataTypeDatabaseType>
-                {
-                    {"Integer", DataTypeDatabaseType.Integer},
-                    {"Date", DataTypeDatabaseType.Date},
-                    {"Ntext", DataTypeDatabaseType.Ntext},
-                    {"Nvarchar", DataTypeDatabaseType.Nvarchar}
-                };
         private static Guid _objectType = new Guid("30a2a501-1978-4ddb-a57b-f7efed43ba3c");
 	    private string _dbType;