Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/Gml/SerializableEnvelope.cs
===================================================================
diff -u -r1c8cddf22ecf97344d97ef2920b12e86770592ab -r17113c2d6dcf27b53e2864b239e048a284bbdf4e
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/Gml/SerializableEnvelope.cs	(.../SerializableEnvelope.cs)	(revision 1c8cddf22ecf97344d97ef2920b12e86770592ab)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/Gml/SerializableEnvelope.cs	(.../SerializableEnvelope.cs)	(revision 17113c2d6dcf27b53e2864b239e048a284bbdf4e)
@@ -60,13 +60,13 @@
         /// <summary>
         /// Gets or sets the coordinates of the lower corner of the envelope.
         /// </summary>
-        [XmlElement(AssemblyXmlIdentifiers.LowerCorner, Namespace = AssemblyXmlIdentifiers.GmlNamespace)]
+        [XmlElement(AssemblyXmlIdentifiers.LowerCorner)]
         public string LowerCorner { get; set; }
 
         /// <summary>
         /// Gets or sets the coordinates of the upper corner of the envelope.
         /// </summary>
-        [XmlElement(AssemblyXmlIdentifiers.UpperCorner, Namespace = AssemblyXmlIdentifiers.GmlNamespace)]
+        [XmlElement(AssemblyXmlIdentifiers.UpperCorner)]
         public string UpperCorner { get; set; }
     }
 }
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs
===================================================================
diff -u -ra3cd7fd4246c7b90ed5f1ce17a7a79aa64e2ff9a -r17113c2d6dcf27b53e2864b239e048a284bbdf4e
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs	(.../SerializableEnvelopeTest.cs)	(revision a3cd7fd4246c7b90ed5f1ce17a7a79aa64e2ff9a)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs	(.../SerializableEnvelopeTest.cs)	(revision 17113c2d6dcf27b53e2864b239e048a284bbdf4e)
@@ -33,16 +33,16 @@
         public void DefaultConstructor_ReturnsDefaultValues()
         {
             // Call
-            var boundaries = new SerializableEnvelope();
+            var envelope = new SerializableEnvelope();
 
             // Assert
-            Assert.IsNull(boundaries.LowerCorner);
-            Assert.IsNull(boundaries.UpperCorner);
+            Assert.IsNull(envelope.LowerCorner);
+            Assert.IsNull(envelope.UpperCorner);
 
             SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableEnvelope>(
-                nameof(SerializableEnvelope.LowerCorner), "lowerCorner", "http://www.opengis.net/gml/3.2");
+                nameof(SerializableEnvelope.LowerCorner), "lowerCorner");
             SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableEnvelope>(
-                nameof(SerializableEnvelope.UpperCorner), "upperCorner", "http://www.opengis.net/gml/3.2");
+                nameof(SerializableEnvelope.UpperCorner), "upperCorner");
         }
 
         [Test]
@@ -82,11 +82,11 @@
             var upperCorner = new Point2D(random.NextDouble(), random.NextDouble());
 
             // Call
-            var boundaries = new SerializableEnvelope(lowerCorner, upperCorner);
+            var envelope = new SerializableEnvelope(lowerCorner, upperCorner);
 
             // Assert
-            Assert.AreEqual(lowerCorner.X + " " + lowerCorner.Y, boundaries.LowerCorner);
-            Assert.AreEqual(upperCorner.X + " " + upperCorner.Y, boundaries.UpperCorner);
+            Assert.AreEqual(lowerCorner.X + " " + lowerCorner.Y, envelope.LowerCorner);
+            Assert.AreEqual(upperCorner.X + " " + upperCorner.Y, envelope.UpperCorner);
         }
     }
 }
\ No newline at end of file