diff --git a/js/id/format/xml.js b/js/id/format/xml.js
index 5334b2d84..928c9c97c 100644
--- a/js/id/format/xml.js
+++ b/js/id/format/xml.js
@@ -1,19 +1,8 @@
 iD.format.XML = {
-    mapping: function(entity) {
-        if (iD.format.XML.mappings[entity.type]) {
-            return iD.format.XML.mappings[entity.type](entity);
-        }
-    },
-    rep: function(entity, changeset_id) {
-        if (iD.format.XML.reps[entity.type]) {
-            return iD.format.XML.reps[entity.type](entity, changeset_id);
-        } else {
-            if (typeof console !== 'undefined') console.log(entity.type);
-        }
-    },
     decode: function(s) {
         return s.replace(/>/g,'&gt;').replace(/</g,'&lt;').replace(/"/g,'&quot;');
     },
+
     // Generate Changeset XML. Returns a string.
     changeset: function(tags) {
         return (new XMLSerializer()).serializeToString(
@@ -29,6 +18,7 @@ iD.format.XML = {
             }
         }));
     },
+
     // Generate [osmChange](http://wiki.openstreetmap.org/wiki/OsmChange)
     // XML. Returns a string.
     osmChange: function(userid, changeset_id, changes) {
@@ -48,7 +38,7 @@ iD.format.XML = {
         }
 
         function rep(entity) {
-            return iD.format.XML.rep(entity, changeset_id);
+            return entity.asJXON(changeset_id);
         }
 
         return (new XMLSerializer()).serializeToString(JXON.unbuild({
@@ -65,49 +55,5 @@ iD.format.XML = {
                 })
             }
         }));
-    },
-    reps: {
-        node: function(entity, changeset_id) {
-            var r = {
-                node: {
-                    '@id': entity.id.replace('n', ''),
-                    '@lon': entity.loc[0],
-                    '@lat': entity.loc[1],
-                    '@version': (entity.version || 0),
-                    tag: _.map(entity.tags, function(v, k) {
-                        return { keyAttributes: { k: k, v: v } };
-                    })
-                }
-            };
-            if (changeset_id) r.node['@changeset'] = changeset_id;
-            return r;
-        },
-        way: function(entity, changeset_id) {
-            var r = {
-                way: {
-                    '@id': entity.id.replace('w', ''),
-                    nd: entity.nodes.map(function(id) {
-                        return { keyAttributes: { ref: id.replace('n', '') } };
-                    }),
-                    '@version': (entity.version || 0),
-                    tag: _.map(entity.tags, function(v, k) {
-                        return { keyAttributes: { k: k, v: v } };
-                    })
-                }
-            };
-            if (changeset_id) r.way['@changeset'] = changeset_id;
-            return r;
-        }
-    },
-    mappings: {
-        node: function(entity) {
-            return iD.format.XML.decode((new XMLSerializer()).serializeToString(
-                JXON.unbuild(iD.format.XML.reps.node(entity))
-            ));
-        },
-        way: function(entity) {
-            return iD.format.XML.decode((new XMLSerializer()).serializeToString(
-                JXON.unbuild(iD.format.XML.reps.way(entity))));
-        }
     }
 };
diff --git a/js/id/graph/node.js b/js/id/graph/node.js
index d3bd48638..28aaad0bc 100644
--- a/js/id/graph/node.js
+++ b/js/id/graph/node.js
@@ -23,6 +23,22 @@ _.extend(iD.Node.prototype, {
         return this.update({loc: loc});
     },
 
+    asJXON: function(changeset_id) {
+        var r = {
+            node: {
+                '@id': this.id.replace('n', ''),
+                '@lon': this.loc[0],
+                '@lat': this.loc[1],
+                '@version': (this.version || 0),
+                tag: _.map(this.tags, function(v, k) {
+                    return { keyAttributes: { k: k, v: v } };
+                })
+            }
+        };
+        if (changeset_id) r.node['@changeset'] = changeset_id;
+        return r;
+    },
+
     asGeoJSON: function() {
         return {
             type: 'Feature',
diff --git a/js/id/graph/way.js b/js/id/graph/way.js
index b0cffa058..d1b2820db 100644
--- a/js/id/graph/way.js
+++ b/js/id/graph/way.js
@@ -85,6 +85,23 @@ _.extend(iD.Way.prototype, {
         return this.update({nodes: nodes});
     },
 
+    asJXON: function(changeset_id) {
+        var r = {
+            way: {
+                '@id': this.id.replace('w', ''),
+                '@version': this.version || 0,
+                nd: _.map(this.nodes, function(id) {
+                    return { keyAttributes: { ref: id.replace('n', '') } };
+                }),
+                tag: _.map(this.tags, function(v, k) {
+                    return { keyAttributes: { k: k, v: v } };
+                })
+            }
+        };
+        if (changeset_id) r.way['@changeset'] = changeset_id;
+        return r;
+    },
+
     asGeoJSON: function(resolver) {
         return {
             type: 'Feature',
diff --git a/test/spec/format/xml.js b/test/spec/format/xml.js
index e70ed464f..49491bd01 100644
--- a/test/spec/format/xml.js
+++ b/test/spec/format/xml.js
@@ -8,42 +8,10 @@ describe('iD.format.XML', function() {
         });
     });
 
-    describe('#rep', function() {
-        it('converts a node to jxon', function() {
-            expect(iD.format.XML.rep(node))
-                .to.eql({ node : { '@id': '-1', '@lat': 38, '@lon': -77, '@version': 0, tag: [ ] } });
-        });
-
-        it('converts a way to jxon', function() {
-            expect(iD.format.XML.rep(way))
-                .to.eql({ way : { '@id' : '-1', nd : [ ], '@version': 0, tag: [ ] } });
-        });
-
-        it('includes changeset if provided', function() {
-            expect(iD.format.XML.rep(node, '1234'))
-                .to.eql({ node : { '@id': '-1', '@lat': 38, '@lon': -77, '@version': 0, '@changeset': '1234', tag: [ ] } });
-
-            expect(iD.format.XML.rep(way, '1234'))
-                .to.eql({ way : { '@id' : '-1', nd : [ ], '@version': 0, '@changeset': '1234', tag: [ ] } });
-        });
-    });
-
     describe('#osmChange', function() {
         it('converts change data to XML', function() {
             var jxon = iD.format.XML.osmChange('jfire', '1234', {created: [node], modified: [way], deleted: []});
             expect(jxon).to.eql('<osmChange version="0.3" generator="iD"><create><node id="-1" lon="-77" lat="38" version="0" changeset="1234"/></create><modify><way id="-1" version="0" changeset="1234"/></modify></osmChange>');
         });
     });
-
-    describe('#mapping', function() {
-        it('serializes a node to xml', function() {
-            expect(iD.format.XML.mapping({ id: 'n-1', type: 'node', loc: [-77, 38] }))
-            .to.equal('&lt;node id=&quot;-1&quot; lon=&quot;-77&quot; lat=&quot;38&quot; version=&quot;0&quot;/&gt;');
-        });
-
-        it('serializes a way to xml', function() {
-            expect(iD.format.XML.mapping({ type: 'way', nodes: [], id: 'w-1' }))
-            .to.equal('&lt;way id=&quot;-1&quot; version=&quot;0&quot;/&gt;');
-        });
-    });
 });
diff --git a/test/spec/graph/node.js b/test/spec/graph/node.js
index 75696533f..ad149261e 100644
--- a/test/spec/graph/node.js
+++ b/test/spec/graph/node.js
@@ -52,6 +52,22 @@ describe('iD.Node', function () {
         });
     });
 
+    describe("#asJXON", function () {
+        it('converts a node to jxon', function() {
+            var node = iD.Node({id: 'n-1', loc: [-77, 38], tags: {amenity: 'cafe'}});
+            expect(node.asJXON()).to.eql({node: {
+                '@id': '-1',
+                '@lon': -77,
+                '@lat': 38,
+                '@version': 0,
+                tag: [{keyAttributes: {k: 'amenity', v: 'cafe'}}]}});
+        });
+
+        it('includes changeset if provided', function() {
+            expect(iD.Node({loc: [0, 0]}).asJXON('1234').node['@changeset']).to.equal('1234');
+        });
+    });
+
     describe("#asGeoJSON", function () {
         it("converts to a GeoJSON Point features", function () {
             var node = iD.Node({tags: {amenity: 'cafe'}, loc: [1, 2]}),
diff --git a/test/spec/graph/way.js b/test/spec/graph/way.js
index d59185a17..ec41edec6 100644
--- a/test/spec/graph/way.js
+++ b/test/spec/graph/way.js
@@ -200,6 +200,21 @@ describe('iD.Way', function() {
         });
     });
 
+    describe("#asJXON", function () {
+        it('converts a way to jxon', function() {
+            var node = iD.Way({id: 'w-1', nodes: ['n1', 'n2'], tags: {highway: 'residential'}});
+            expect(node.asJXON()).to.eql({way: {
+                '@id': '-1',
+                '@version': 0,
+                nd: [{keyAttributes: {ref: '1'}}, {keyAttributes: {ref: '2'}}],
+                tag: [{keyAttributes: {k: 'highway', v: 'residential'}}]}});
+        });
+
+        it('includes changeset if provided', function() {
+            expect(iD.Way().asJXON('1234').way['@changeset']).to.equal('1234');
+        });
+    });
+
     describe("#asGeoJSON", function () {
         it("converts to a GeoJSON LineString features", function () {
             var a = iD.Node({loc: [1, 2]}),