diff --git a/OpenSim/Region/CoreModules/World/Serialiser/Tests/SerialiserTests.cs b/OpenSim/Region/CoreModules/World/Serialiser/Tests/SerialiserTests.cs
index 23475a1fa9..c9e3141ccd 100644
--- a/OpenSim/Region/CoreModules/World/Serialiser/Tests/SerialiserTests.cs
+++ b/OpenSim/Region/CoreModules/World/Serialiser/Tests/SerialiserTests.cs
@@ -720,8 +720,6 @@ namespace OpenSim.Region.CoreModules.World.Serialiser.Tests
             string xml = SceneObjectSerializer.ToOriginalXmlFormat(so);
 
             XmlTextReader xtr = new XmlTextReader(new StringReader(xml));
-            xtr.ProhibitDtd = true;
-
             xtr.ReadStartElement("SceneObjectGroup");
             xtr.ReadStartElement("RootPart");
             xtr.ReadStartElement("SceneObjectPart");
@@ -833,8 +831,6 @@ namespace OpenSim.Region.CoreModules.World.Serialiser.Tests
             string xml2 = m_serialiserModule.SerializeGroupToXml2(so, options);
 
             XmlTextReader xtr = new XmlTextReader(new StringReader(xml2));
-            xtr.ProhibitDtd = true;
-
             xtr.ReadStartElement("SceneObjectGroup");
             xtr.ReadStartElement("SceneObjectPart");