diff --git a/tests/Format/test_GML.html b/tests/Format/test_GML.html
index 152e847909..36b5447bd0 100644
--- a/tests/Format/test_GML.html
+++ b/tests/Format/test_GML.html
@@ -42,26 +42,31 @@
         var point = shell_start + serialize_geoms['point'] + shell_end;
         data = parser.read(point);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, point, "Point geometry round trips correctly.");
         
         var linestring = shell_start + serialize_geoms['linestring'] + shell_end;
         data = parser.read(linestring);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, linestring, "Line geometry round trips correctly.");
         
         var polygon = shell_start + serialize_geoms['polygon'] + shell_end;
         data = parser.read(polygon);
         var output = parser.write(data);
+        output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, polygon, "Poly geometry round trips correctly.");
         
         var multipoint = shell_start + serialize_geoms['multipoint'] + shell_end;
         data = parser.read(multipoint);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, multipoint, "MultiPoint geometry round trips correctly.");
         
         var multilinestring = shell_start + serialize_geoms['multilinestring'] + shell_end;
         data = parser.read(multilinestring);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, multilinestring, "MultiLine geometry round trips correctly.");
     }    
     function test_Format_GML_read_point_geom(t) {
@@ -288,30 +293,35 @@
         var point = shell_start + serialize_geoms_yx['point'] + shell_end;
         data = parser.read(point);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, point_xy, "Point geometry round trips correctly.");
         
         var linestring_xy = shell_start + serialize_geoms['linestring'] + shell_end;
         var linestring = shell_start + serialize_geoms_yx['linestring'] + shell_end;
         data = parser.read(linestring);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, linestring_xy, "Line geometry round trips correctly.");
         
         var polygon_xy = shell_start + serialize_geoms['polygon'] + shell_end;
         var polygon = shell_start + serialize_geoms_yx['polygon'] + shell_end;
         data = parser.read(polygon);
         var output = parser.write(data);
+        output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, polygon_xy, "Poly geometry round trips correctly.");
         
         var multipoint_xy = shell_start + serialize_geoms['multipoint'] + shell_end;
         var multipoint = shell_start + serialize_geoms_yx['multipoint'] + shell_end;
         data = parser.read(multipoint);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, multipoint_xy, "MultiPoint geometry round trips correctly.");
         
         var multilinestring_xy = shell_start + serialize_geoms['multilinestring'] + shell_end;
         var multilinestring = shell_start + serialize_geoms_yx['multilinestring'] + shell_end;
         data = parser.read(multilinestring);
         var output = parser.write(data);
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, multilinestring_xy, "MultiLine geometry round trips correctly.");
     }
     
diff --git a/tests/Format/test_GeoRSS.html b/tests/Format/test_GeoRSS.html
index fd6266a4c0..0f9828a88a 100644
--- a/tests/Format/test_GeoRSS.html
+++ b/tests/Format/test_GeoRSS.html
@@ -24,6 +24,7 @@
         var l = new OpenLayers.Geometry.LineString([point, point2]);
         var f = new OpenLayers.Feature.Vector(l);
         var data = parser.write([f]);
+        var data = data.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(data, '<rss xmlns="http://backend.userland.com/rss2"><item><title></title><description></description><georss:line xmlns:georss="http://www.georss.org/georss">45.68 -111.04 45.68 -112.04</georss:line></item></rss>', 'GeoRSS serializes a line correctly');
     }
     function test_Format_GeoRSS_w3cgeo(t) { 
@@ -45,6 +46,7 @@
             if (OpenLayers.Util.getBrowserName() == "opera") {
                 expected_result = expected_result.replace(/&gt;/g, ">");
             }
+            var out = out.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
             t.eq(out, expected_result, "Output gave expected value");
         }
     }
@@ -59,6 +61,7 @@
             if (OpenLayers.Util.getBrowserName() == "opera") {
                 expected_result = expected_result.replace(/&gt;/g, ">");
             }
+            var out = out.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
             t.eq(out, expected_result, "Output gave expected value");
         }
     }
diff --git a/tests/Format/test_KML.html b/tests/Format/test_KML.html
index 18033760b8..586f4d9585 100644
--- a/tests/Format/test_KML.html
+++ b/tests/Format/test_KML.html
@@ -58,6 +58,7 @@
         var format = new OpenLayers.Format.KML(options);
         var features = format.read(kmlExpected);
         var kmlOut = format.write(features);
+        var kmlOut = kmlOut.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(kmlOut, kmlExpected, "correctly writes an KML doc string");
     }
     
@@ -83,6 +84,7 @@
         feature = new OpenLayers.Feature.Vector(multi, {name: "test name"});
         output = format.write(feature);
         expected = '<kml xmlns="http://earth.google.com/kml/2.0"><Folder><name>OpenLayers export</name><description>test output</description><Placemark><name>test name</name><description>No description available</description><MultiGeometry><Point><coordinates>0,1</coordinates></Point></MultiGeometry></Placemark></Folder></kml>';
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, expected, "multipoint correctly written");
         
         // test multilinestring
@@ -95,6 +97,7 @@
         feature = new OpenLayers.Feature.Vector(multi, {name: "test name"});
         output = format.write(feature);
         expected = '<kml xmlns="http://earth.google.com/kml/2.0"><Folder><name>OpenLayers export</name><description>test output</description><Placemark><name>test name</name><description>No description available</description><MultiGeometry><LineString><coordinates>1,0 0,1</coordinates></LineString></MultiGeometry></Placemark></Folder></kml>';
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, expected, "multilinestring correctly written");
 
         // test multipolygon
@@ -110,6 +113,7 @@
         feature = new OpenLayers.Feature.Vector(multi, {name: "test name"});
         output = format.write(feature);
         expected = '<kml xmlns="http://earth.google.com/kml/2.0"><Folder><name>OpenLayers export</name><description>test output</description><Placemark><name>test name</name><description>No description available</description><MultiGeometry><Polygon><outerBoundaryIs><LinearRing><coordinates>0,0 1,0 0,1 0,0</coordinates></LinearRing></outerBoundaryIs></Polygon></MultiGeometry></Placemark></Folder></kml>';
+        var output = output.replace(/<\?[^>]*\?>/, ''); // Remove XML Prolog
         t.eq(output, expected, "multilinestring correctly written");
 
     }