diff --git a/src/serve_data.js b/src/serve_data.js
index c10d622..6081f3a 100644
--- a/src/serve_data.js
+++ b/src/serve_data.js
@@ -41,8 +41,8 @@ module.exports = function(options, repo, params, id, styles) {
       Object.assign(tileJSON, info);
 
       tileJSON['tilejson'] = '2.0.0';
-      tileJSON['basename'] = id;
-      tileJSON['filesize'] = mbtilesFileStats['size'];
+      delete tileJSON['filesize'];
+      delete tileJSON['mtime'];
       delete tileJSON['scheme'];
 
       Object.assign(tileJSON, params.tilejson || {});
diff --git a/src/serve_rendered.js b/src/serve_rendered.js
index e136318..fed6360 100644
--- a/src/serve_rendered.js
+++ b/src/serve_rendered.js
@@ -175,7 +175,6 @@ module.exports = function(options, repo, params, id, dataResolver) {
     'tilejson': '2.0.0',
     'name': styleJSON.name,
     'attribution': '',
-    'basename': id,
     'minzoom': 0,
     'maxzoom': 20,
     'bounds': [-180, -85.0511, 180, 85.0511],
@@ -223,7 +222,6 @@ module.exports = function(options, repo, params, id, dataResolver) {
             var type = source.type;
             Object.assign(source, info);
             source.type = type;
-            source.basename = name;
             source.tiles = [
               // meta url which will be detected when requested
               'mbtiles://' + name + '/{z}/{x}/{y}.' + (info.format || 'pbf')
diff --git a/test/metadata.js b/test/metadata.js
index f754dcb..647ee92 100644
--- a/test/metadata.js
+++ b/test/metadata.js
@@ -18,7 +18,7 @@ var testTileJSONArray = function(url) {
   });
 };
 
-var testTileJSON = function(url, basename) {
+var testTileJSON = function(url) {
   describe(url + ' is TileJSON', function() {
     it('is json', function(done) {
       supertest(app)
@@ -27,11 +27,10 @@ var testTileJSON = function(url, basename) {
         .expect('Content-Type', /application\/json/, done);
     });
 
-    it('has valid basename and tiles', function(done) {
+    it('has valid tiles', function(done) {
       supertest(app)
         .get(url)
         .expect(function(res) {
-          res.body.basename.should.equal(basename);
           res.body.tiles.length.should.be.greaterThan(0);
         }).end(done);
     });
@@ -64,6 +63,6 @@ describe('Metadata', function() {
     });
   });
 
-  testTileJSON('/styles/test-style/rendered.json', 'test-style');
-  testTileJSON('/data/openmaptiles.json', 'openmaptiles');
+  testTileJSON('/styles/test-style/rendered.json');
+  testTileJSON('/data/openmaptiles.json');
 });