diff --git a/src/ol/VectorTile.js b/src/ol/VectorTile.js
index ff2ac75e98..ed01af2d64 100644
--- a/src/ol/VectorTile.js
+++ b/src/ol/VectorTile.js
@@ -15,7 +15,7 @@ import TileState from './TileState.js';
  * @param {ol.TileLoadFunctionType} tileLoadFunction Tile load function.
  * @param {olx.TileOptions=} opt_options Tile options.
  */
-var _ol_VectorTile_ = function(tileCoord, state, src, format, tileLoadFunction, opt_options) {
+var VectorTile = function(tileCoord, state, src, format, tileLoadFunction, opt_options) {
 
   _ol_Tile_.call(this, tileCoord, state, opt_options);
 
@@ -75,13 +75,13 @@ var _ol_VectorTile_ = function(tileCoord, state, src, format, tileLoadFunction,
 
 };
 
-inherits(_ol_VectorTile_, _ol_Tile_);
+inherits(VectorTile, _ol_Tile_);
 
 
 /**
  * @inheritDoc
  */
-_ol_VectorTile_.prototype.disposeInternal = function() {
+VectorTile.prototype.disposeInternal = function() {
   this.features_ = null;
   this.replayGroups_ = {};
   this.state = TileState.ABORT;
@@ -95,8 +95,8 @@ _ol_VectorTile_.prototype.disposeInternal = function() {
  * @return {ol.Extent} The extent.
  * @api
  */
-_ol_VectorTile_.prototype.getExtent = function() {
-  return this.extent_ || _ol_VectorTile_.DEFAULT_EXTENT;
+VectorTile.prototype.getExtent = function() {
+  return this.extent_ || VectorTile.DEFAULT_EXTENT;
 };
 
 
@@ -105,7 +105,7 @@ _ol_VectorTile_.prototype.getExtent = function() {
  * @return {ol.format.Feature} Feature format.
  * @api
  */
-_ol_VectorTile_.prototype.getFormat = function() {
+VectorTile.prototype.getFormat = function() {
   return this.format_;
 };
 
@@ -116,7 +116,7 @@ _ol_VectorTile_.prototype.getFormat = function() {
  * @return {Array.<ol.Feature|ol.render.Feature>} Features.
  * @api
  */
-_ol_VectorTile_.prototype.getFeatures = function() {
+VectorTile.prototype.getFeatures = function() {
   return this.features_;
 };
 
@@ -124,7 +124,7 @@ _ol_VectorTile_.prototype.getFeatures = function() {
 /**
  * @inheritDoc
  */
-_ol_VectorTile_.prototype.getKey = function() {
+VectorTile.prototype.getKey = function() {
   return this.url_;
 };
 
@@ -135,7 +135,7 @@ _ol_VectorTile_.prototype.getKey = function() {
  * @return {ol.proj.Projection} Feature projection.
  * @api
  */
-_ol_VectorTile_.prototype.getProjection = function() {
+VectorTile.prototype.getProjection = function() {
   return this.projection_;
 };
 
@@ -145,7 +145,7 @@ _ol_VectorTile_.prototype.getProjection = function() {
  * @param {string} key Key.
  * @return {ol.render.ReplayGroup} Replay group.
  */
-_ol_VectorTile_.prototype.getReplayGroup = function(layer, key) {
+VectorTile.prototype.getReplayGroup = function(layer, key) {
   return this.replayGroups_[getUid(layer) + ',' + key];
 };
 
@@ -153,7 +153,7 @@ _ol_VectorTile_.prototype.getReplayGroup = function(layer, key) {
 /**
  * @inheritDoc
  */
-_ol_VectorTile_.prototype.load = function() {
+VectorTile.prototype.load = function() {
   if (this.state == TileState.IDLE) {
     this.setState(TileState.LOADING);
     this.tileLoadFunction_(this, this.url_);
@@ -168,7 +168,7 @@ _ol_VectorTile_.prototype.load = function() {
  * @param {ol.proj.Projection} dataProjection Data projection.
  * @param {ol.Extent} extent Extent.
  */
-_ol_VectorTile_.prototype.onLoad = function(features, dataProjection, extent) {
+VectorTile.prototype.onLoad = function(features, dataProjection, extent) {
   this.setProjection(dataProjection);
   this.setFeatures(features);
   this.setExtent(extent);
@@ -178,7 +178,7 @@ _ol_VectorTile_.prototype.onLoad = function(features, dataProjection, extent) {
 /**
  * Handler for tile load errors.
  */
-_ol_VectorTile_.prototype.onError = function() {
+VectorTile.prototype.onError = function() {
   this.setState(TileState.ERROR);
 };
 
@@ -195,7 +195,7 @@ _ol_VectorTile_.prototype.onError = function() {
  * @param {ol.Extent} extent The extent.
  * @api
  */
-_ol_VectorTile_.prototype.setExtent = function(extent) {
+VectorTile.prototype.setExtent = function(extent) {
   this.extent_ = extent;
 };
 
@@ -206,7 +206,7 @@ _ol_VectorTile_.prototype.setExtent = function(extent) {
  * @param {Array.<ol.Feature>} features Features.
  * @api
  */
-_ol_VectorTile_.prototype.setFeatures = function(features) {
+VectorTile.prototype.setFeatures = function(features) {
   this.features_ = features;
   this.setState(TileState.LOADED);
 };
@@ -219,7 +219,7 @@ _ol_VectorTile_.prototype.setFeatures = function(features) {
  * @param {ol.proj.Projection} projection Feature projection.
  * @api
  */
-_ol_VectorTile_.prototype.setProjection = function(projection) {
+VectorTile.prototype.setProjection = function(projection) {
   this.projection_ = projection;
 };
 
@@ -229,7 +229,7 @@ _ol_VectorTile_.prototype.setProjection = function(projection) {
  * @param {string} key Key.
  * @param {ol.render.ReplayGroup} replayGroup Replay group.
  */
-_ol_VectorTile_.prototype.setReplayGroup = function(layer, key, replayGroup) {
+VectorTile.prototype.setReplayGroup = function(layer, key, replayGroup) {
   this.replayGroups_[getUid(layer) + ',' + key] = replayGroup;
 };
 
@@ -239,7 +239,7 @@ _ol_VectorTile_.prototype.setReplayGroup = function(layer, key, replayGroup) {
  * @param {ol.FeatureLoader} loader Feature loader.
  * @api
  */
-_ol_VectorTile_.prototype.setLoader = function(loader) {
+VectorTile.prototype.setLoader = function(loader) {
   this.loader_ = loader;
 };
 
@@ -248,5 +248,5 @@ _ol_VectorTile_.prototype.setLoader = function(loader) {
  * @const
  * @type {ol.Extent}
  */
-_ol_VectorTile_.DEFAULT_EXTENT = [0, 0, 4096, 4096];
-export default _ol_VectorTile_;
+VectorTile.DEFAULT_EXTENT = [0, 0, 4096, 4096];
+export default VectorTile;
diff --git a/src/ol/source/VectorTile.js b/src/ol/source/VectorTile.js
index 2a63c681e7..0fe5ace3f7 100644
--- a/src/ol/source/VectorTile.js
+++ b/src/ol/source/VectorTile.js
@@ -4,7 +4,7 @@
 import {inherits} from '../index.js';
 import TileState from '../TileState.js';
 import VectorImageTile from '../VectorImageTile.js';
-import _ol_VectorTile_ from '../VectorTile.js';
+import VectorTile from '../VectorTile.js';
 import _ol_size_ from '../size.js';
 import _ol_source_UrlTile_ from '../source/UrlTile.js';
 import _ol_tilecoord_ from '../tilecoord.js';
@@ -78,7 +78,7 @@ var _ol_source_VectorTile_ = function(options) {
    * @type {function(new: ol.VectorTile, ol.TileCoord, ol.TileState, string,
    *        ol.format.Feature, ol.TileLoadFunctionType)}
    */
-  this.tileClass = options.tileClass ? options.tileClass : _ol_VectorTile_;
+  this.tileClass = options.tileClass ? options.tileClass : VectorTile;
 
   /**
    * @private
diff --git a/test/spec/ol/renderer/canvas/vectortilelayer.test.js b/test/spec/ol/renderer/canvas/vectortilelayer.test.js
index af735c2d26..2969902dba 100644
--- a/test/spec/ol/renderer/canvas/vectortilelayer.test.js
+++ b/test/spec/ol/renderer/canvas/vectortilelayer.test.js
@@ -4,7 +4,7 @@ import _ol_Feature_ from '../../../../../src/ol/Feature.js';
 import Map from '../../../../../src/ol/Map.js';
 import TileState from '../../../../../src/ol/TileState.js';
 import VectorImageTile from '../../../../../src/ol/VectorImageTile.js';
-import _ol_VectorTile_ from '../../../../../src/ol/VectorTile.js';
+import VectorTile from '../../../../../src/ol/VectorTile.js';
 import _ol_View_ from '../../../../../src/ol/View.js';
 import * as _ol_extent_ from '../../../../../src/ol/extent.js';
 import MVT from '../../../../../src/ol/format/MVT.js';
@@ -60,13 +60,13 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
       feature3 = new _ol_render_Feature_('Point', [1, -1], []);
       feature2.setStyle(featureStyle);
       var TileClass = function() {
-        _ol_VectorTile_.apply(this, arguments);
+        VectorTile.apply(this, arguments);
         this.setState('loaded');
         this.setFeatures([feature1, feature2, feature3]);
         this.setProjection(getProjection('EPSG:4326'));
         tileCallback(this);
       };
-      inherits(TileClass, _ol_VectorTile_);
+      inherits(TileClass, VectorTile);
       source = new _ol_source_VectorTile_({
         format: new MVT(),
         tileClass: TileClass,
@@ -224,9 +224,9 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
       });
       map.addLayer(layer2);
 
-      var spy1 = sinon.spy(_ol_VectorTile_.prototype,
+      var spy1 = sinon.spy(VectorTile.prototype,
           'getReplayGroup');
-      var spy2 = sinon.spy(_ol_VectorTile_.prototype,
+      var spy2 = sinon.spy(VectorTile.prototype,
           'setReplayGroup');
       map.renderSync();
       expect(spy1.callCount).to.be(4);
@@ -245,7 +245,7 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
           transition: 0
         })
       });
-      var sourceTile = new _ol_VectorTile_([0, 0, 0], 2);
+      var sourceTile = new VectorTile([0, 0, 0], 2);
       sourceTile.setProjection(getProjection('EPSG:3857'));
       sourceTile.features_ = [];
       sourceTile.getImage = function() {
@@ -293,7 +293,7 @@ describe('ol.renderer.canvas.VectorTileLayer', function() {
     var TileClass = function() {
       VectorImageTile.apply(this, arguments);
       this.setState('loaded');
-      var sourceTile = new _ol_VectorTile_([0, 0, 0]);
+      var sourceTile = new VectorTile([0, 0, 0]);
       sourceTile.setProjection(getProjection('EPSG:3857'));
       sourceTile.getReplayGroup = function() {
         return replayGroup;
diff --git a/test/spec/ol/source/vectortile.test.js b/test/spec/ol/source/vectortile.test.js
index d48583defe..8745f27937 100644
--- a/test/spec/ol/source/vectortile.test.js
+++ b/test/spec/ol/source/vectortile.test.js
@@ -1,7 +1,7 @@
 import Map from '../../../../src/ol/Map.js';
 import _ol_View_ from '../../../../src/ol/View.js';
 import VectorImageTile from '../../../../src/ol/VectorImageTile.js';
-import _ol_VectorTile_ from '../../../../src/ol/VectorTile.js';
+import VectorTile from '../../../../src/ol/VectorTile.js';
 import MVT from '../../../../src/ol/format/MVT.js';
 import _ol_layer_VectorTile_ from '../../../../src/ol/layer/VectorTile.js';
 import {get as getProjection} from '../../../../src/ol/proj.js';
@@ -25,7 +25,7 @@ describe('ol.source.VectorTile', function() {
     });
 
     it('uses ol.VectorTile as default tileClass', function() {
-      expect(source.tileClass).to.equal(_ol_VectorTile_);
+      expect(source.tileClass).to.equal(VectorTile);
     });
 
     it('creates a 512 XYZ tilegrid by default', function() {
@@ -65,7 +65,7 @@ describe('ol.source.VectorTile', function() {
       });
       source.on('tileloadend', function(e) {
         expect(started).to.be(true);
-        expect(e.tile).to.be.a(_ol_VectorTile_);
+        expect(e.tile).to.be.a(VectorTile);
         expect(e.tile.getFeatures().length).to.be(1327);
         done();
       });
diff --git a/test/spec/ol/vectorimagetile.test.js b/test/spec/ol/vectorimagetile.test.js
index 296f3edb0c..da9aaba369 100644
--- a/test/spec/ol/vectorimagetile.test.js
+++ b/test/spec/ol/vectorimagetile.test.js
@@ -1,6 +1,6 @@
 import TileState from '../../../src/ol/TileState.js';
 import VectorImageTile from '../../../src/ol/VectorImageTile.js';
-import _ol_VectorTile_ from '../../../src/ol/VectorTile.js';
+import VectorTile from '../../../src/ol/VectorTile.js';
 import _ol_events_ from '../../../src/ol/events.js';
 import GeoJSON from '../../../src/ol/format/GeoJSON.js';
 import {get as getProjection} from '../../../src/ol/proj.js';
@@ -17,7 +17,7 @@ describe('ol.VectorImageTile', function() {
         VectorImageTile.defaultLoadFunction, [0, 0, -1], function() {
           return url;
         }, _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ(), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
     var sourceTile = tile.getTile(tile.tileKeys[0]);
@@ -41,7 +41,7 @@ describe('ol.VectorImageTile', function() {
         }, [0, 0, -1], function() {
           return url;
         }, _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ(), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
     var calls = 0;
@@ -65,7 +65,7 @@ describe('ol.VectorImageTile', function() {
         VectorImageTile.defaultLoadFunction, [0, 0, -1], function() {
           return url;
         }, _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ(), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
 
@@ -81,7 +81,7 @@ describe('ol.VectorImageTile', function() {
     var tile = new VectorImageTile([0, 0, -1], 0, url, format,
         VectorImageTile.defaultLoadFunction, [0, 0, -1], function() {},
         _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ(), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
 
@@ -105,7 +105,7 @@ describe('ol.VectorImageTile', function() {
           return url;
         }, tileGrid,
         _ol_tilegrid_.createXYZ({extent: [-180, -90, 180, 90], tileSize: 512}),
-        sourceTiles, 1, getProjection('EPSG:4326'), _ol_VectorTile_, function() {});
+        sourceTiles, 1, getProjection('EPSG:4326'), VectorTile, function() {});
     tile.load();
     expect(tile.tileKeys.length).to.be(1);
     expect(tile.getTile(tile.tileKeys[0]).tileCoord).to.eql([0, 16, -10]);
@@ -118,7 +118,7 @@ describe('ol.VectorImageTile', function() {
         VectorImageTile.defaultLoadFunction, [0, 0, -1], function() {
           return url;
         }, _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ({tileSize: 512}), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
     expect(tile.loadListenerKeys_.length).to.be(4);
@@ -138,7 +138,7 @@ describe('ol.VectorImageTile', function() {
         VectorImageTile.defaultLoadFunction, [0, 0, -1], function() {
           return url;
         }, _ol_tilegrid_.createXYZ(), _ol_tilegrid_.createXYZ({tileSize: 512}), {},
-        1, getProjection('EPSG:3857'), _ol_VectorTile_, function() {});
+        1, getProjection('EPSG:3857'), VectorTile, function() {});
 
     tile.load();
     _ol_events_.listenOnce(tile, 'change', function() {
diff --git a/test/spec/ol/vectortile.test.js b/test/spec/ol/vectortile.test.js
index af7adb760e..4783d72019 100644
--- a/test/spec/ol/vectortile.test.js
+++ b/test/spec/ol/vectortile.test.js
@@ -1,6 +1,6 @@
 import _ol_Feature_ from '../../../src/ol/Feature.js';
 import VectorImageTile from '../../../src/ol/VectorImageTile.js';
-import _ol_VectorTile_ from '../../../src/ol/VectorTile.js';
+import VectorTile from '../../../src/ol/VectorTile.js';
 import _ol_events_ from '../../../src/ol/events.js';
 import TextFeature from '../../../src/ol/format/TextFeature.js';
 import {get as getProjection} from '../../../src/ol/proj.js';
@@ -22,7 +22,7 @@ describe('ol.VectorTile', function() {
       return [new _ol_Feature_()];
     };
 
-    var tile = new _ol_VectorTile_([0, 0, 0], null, null, format);
+    var tile = new VectorTile([0, 0, 0], null, null, format);
     var url = 'spec/ol/data/point.json';
 
     VectorImageTile.defaultLoadFunction(tile, url);