diff --git a/examples/zoomify.js b/examples/zoomify.js
index 3dffeadac0..5b2589135e 100644
--- a/examples/zoomify.js
+++ b/examples/zoomify.js
@@ -1,7 +1,7 @@
 import Map from '../src/ol/Map.js';
 import View from '../src/ol/View.js';
 import TileLayer from '../src/ol/layer/Tile.js';
-import _ol_source_Zoomify_ from '../src/ol/source/Zoomify.js';
+import Zoomify from '../src/ol/source/Zoomify.js';
 
 var imgWidth = 9911;
 var imgHeight = 6100;
@@ -11,7 +11,7 @@ var zoomifyUrl = 'http://vips.vtech.fr/cgi-bin/iipsrv.fcgi?zoomify=' +
 var iipUrl = 'http://vips.vtech.fr/cgi-bin/iipsrv.fcgi?FIF=' + '/mnt/MD1/AD00/plan_CHU-4HD-01/FOND.TIF' +  '&JTL={z},{tileIndex}';
 
 var layer = new TileLayer({
-  source: new _ol_source_Zoomify_({
+  source: new Zoomify({
     url: zoomifyUrl,
     size: [imgWidth, imgHeight],
     crossOrigin: 'anonymous'
@@ -36,13 +36,13 @@ var control = document.getElementById('zoomifyProtocol');
 control.addEventListener('change', function(event) {
   var value = event.currentTarget.value;
   if (value === 'iip') {
-    layer.setSource(new _ol_source_Zoomify_({
+    layer.setSource(new Zoomify({
       url: iipUrl,
       size: [imgWidth, imgHeight],
       crossOrigin: 'anonymous'
     }));
   } else if (value === 'zoomify') {
-    layer.setSource(new _ol_source_Zoomify_({
+    layer.setSource(new Zoomify({
       url: zoomifyUrl,
       size: [imgWidth, imgHeight],
       crossOrigin: 'anonymous'
diff --git a/src/ol/source/Zoomify.js b/src/ol/source/Zoomify.js
index d6351b3ef5..ac4dd05494 100644
--- a/src/ol/source/Zoomify.js
+++ b/src/ol/source/Zoomify.js
@@ -23,14 +23,14 @@ import TileGrid from '../tilegrid/TileGrid.js';
  * @param {olx.source.ZoomifyOptions=} opt_options Options.
  * @api
  */
-var _ol_source_Zoomify_ = function(opt_options) {
+var Zoomify = function(opt_options) {
 
   var options = opt_options || {};
 
   var size = options.size;
   var tierSizeCalculation = options.tierSizeCalculation !== undefined ?
     options.tierSizeCalculation :
-    _ol_source_Zoomify_.TierSizeCalculation_.DEFAULT;
+    Zoomify.TierSizeCalculation_.DEFAULT;
 
   var imageWidth = size[0];
   var imageHeight = size[1];
@@ -40,7 +40,7 @@ var _ol_source_Zoomify_ = function(opt_options) {
   var tileSizeForTierSizeCalculation = tileSize;
 
   switch (tierSizeCalculation) {
-    case _ol_source_Zoomify_.TierSizeCalculation_.DEFAULT:
+    case Zoomify.TierSizeCalculation_.DEFAULT:
       while (imageWidth > tileSizeForTierSizeCalculation || imageHeight > tileSizeForTierSizeCalculation) {
         tierSizeInTiles.push([
           Math.ceil(imageWidth / tileSizeForTierSizeCalculation),
@@ -49,7 +49,7 @@ var _ol_source_Zoomify_ = function(opt_options) {
         tileSizeForTierSizeCalculation += tileSizeForTierSizeCalculation;
       }
       break;
-    case _ol_source_Zoomify_.TierSizeCalculation_.TRUNCATED:
+    case Zoomify.TierSizeCalculation_.TRUNCATED:
       var width = imageWidth;
       var height = imageHeight;
       while (width > tileSizeForTierSizeCalculation || height > tileSizeForTierSizeCalculation) {
@@ -135,7 +135,7 @@ var _ol_source_Zoomify_ = function(opt_options) {
 
   var tileUrlFunction = createFromTileUrlFunctions(urls.map(createFromTemplate));
 
-  var ZoomifyTileClass = _ol_source_Zoomify_.Tile_.bind(null, tileGrid);
+  var ZoomifyTileClass = Zoomify.Tile_.bind(null, tileGrid);
 
   TileImage.call(this, {
     attributions: options.attributions,
@@ -151,7 +151,7 @@ var _ol_source_Zoomify_ = function(opt_options) {
 
 };
 
-inherits(_ol_source_Zoomify_, TileImage);
+inherits(Zoomify, TileImage);
 
 /**
  * @constructor
@@ -165,7 +165,7 @@ inherits(_ol_source_Zoomify_, TileImage);
  * @param {olx.TileOptions=} opt_options Tile options.
  * @private
  */
-_ol_source_Zoomify_.Tile_ = function(
+Zoomify.Tile_ = function(
     tileGrid, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
 
   ImageTile.call(this, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options);
@@ -182,13 +182,13 @@ _ol_source_Zoomify_.Tile_ = function(
    */
   this.tileSize_ = _ol_size_.toSize(tileGrid.getTileSize(tileCoord[0]));
 };
-inherits(_ol_source_Zoomify_.Tile_, ImageTile);
+inherits(Zoomify.Tile_, ImageTile);
 
 
 /**
  * @inheritDoc
  */
-_ol_source_Zoomify_.Tile_.prototype.getImage = function() {
+Zoomify.Tile_.prototype.getImage = function() {
   if (this.zoomifyImage_) {
     return this.zoomifyImage_;
   }
@@ -213,8 +213,8 @@ _ol_source_Zoomify_.Tile_.prototype.getImage = function() {
  * @enum {string}
  * @private
  */
-_ol_source_Zoomify_.TierSizeCalculation_ = {
+Zoomify.TierSizeCalculation_ = {
   DEFAULT: 'default',
   TRUNCATED: 'truncated'
 };
-export default _ol_source_Zoomify_;
+export default Zoomify;
diff --git a/test/spec/ol/source/zoomify.test.js b/test/spec/ol/source/zoomify.test.js
index 619570ac00..0d529a4e5c 100644
--- a/test/spec/ol/source/zoomify.test.js
+++ b/test/spec/ol/source/zoomify.test.js
@@ -1,7 +1,7 @@
 import {DEFAULT_TILE_SIZE} from '../../../../src/ol/tilegrid/common.js';
 import _ol_events_ from '../../../../src/ol/events.js';
 import _ol_proj_Projection_ from '../../../../src/ol/proj/Projection.js';
-import _ol_source_Zoomify_ from '../../../../src/ol/source/Zoomify.js';
+import Zoomify from '../../../../src/ol/source/Zoomify.js';
 import TileGrid from '../../../../src/ol/tilegrid/TileGrid.js';
 
 
@@ -17,26 +17,26 @@ describe('ol.source.Zoomify', function() {
     extent: [0, 0, w, h]
   });
   function getZoomifySource() {
-    return new _ol_source_Zoomify_({
+    return new Zoomify({
       url: zoomifyUrl,
       size: size
     });
   }
   function getZoomifySourceWithExtentInFirstQuadrant() {
-    return new _ol_source_Zoomify_({
+    return new Zoomify({
       url: zoomifyUrl,
       size: size,
       extent: [0, 0, size[0], size[1]]
     });
   }
   function getIIPSource() {
-    return new _ol_source_Zoomify_({
+    return new Zoomify({
       url: iipUrl,
       size: size
     });
   }
   function getZoomifySourceWith1024pxTiles() {
-    return new _ol_source_Zoomify_({
+    return new Zoomify({
       url: zoomifyUrl,
       size: size,
       tileSize: 1024
@@ -50,29 +50,29 @@ describe('ol.source.Zoomify', function() {
 
       // undefined config object
       expect(function() {
-        source = new _ol_source_Zoomify_();
+        source = new Zoomify();
       }).to.throwException();
 
       // empty object as config object
       expect(function() {
-        source = new _ol_source_Zoomify_({});
+        source = new Zoomify({});
       }).to.throwException();
 
       // not passing "size" in config object
       expect(function() {
-        source = new _ol_source_Zoomify_({
+        source = new Zoomify({
           url: 'some-url'
         });
       }).to.throwException();
 
       // passing "size" in config object
       expect(function() {
-        source = new _ol_source_Zoomify_({
+        source = new Zoomify({
           size: [47, 11]
         });
       }).to.not.throwException();
       // we got a source
-      expect(source).to.be.a(_ol_source_Zoomify_);
+      expect(source).to.be.a(Zoomify);
 
       // also test our helper methods from above
       expect(function() {
@@ -82,12 +82,12 @@ describe('ol.source.Zoomify', function() {
         source = getIIPSource();
       }).to.not.throwException();
       // we got a source
-      expect(source).to.be.a(_ol_source_Zoomify_);
+      expect(source).to.be.a(Zoomify);
     });
 
     it('does not need "tierSizeCalculation" option', function() {
       expect(function() {
-        new _ol_source_Zoomify_({
+        new Zoomify({
           size: [47, 11]
         });
       }).to.not.throwException();
@@ -95,7 +95,7 @@ describe('ol.source.Zoomify', function() {
 
     it('accepts "tierSizeCalculation" option "default"', function() {
       expect(function() {
-        new _ol_source_Zoomify_({
+        new Zoomify({
           size: [47, 11],
           tierSizeCalculation: 'default'
         });
@@ -104,7 +104,7 @@ describe('ol.source.Zoomify', function() {
 
     it('accepts "tierSizeCalculation" option "truncated"', function() {
       expect(function() {
-        new _ol_source_Zoomify_({
+        new Zoomify({
           size: [47, 11],
           tierSizeCalculation: 'truncated'
         });
@@ -114,7 +114,7 @@ describe('ol.source.Zoomify', function() {
     it('throws on unexpected "tierSizeCalculation" ', function() {
       // passing unknown string will throw
       expect(function() {
-        new _ol_source_Zoomify_({
+        new Zoomify({
           size: [47, 11],
           tierSizeCalculation: 'ace-of-spades'
         });
@@ -199,14 +199,14 @@ describe('ol.source.Zoomify', function() {
 
     it('influences resolutions', function() {
       // not configured at all
-      var source = new _ol_source_Zoomify_({
+      var source = new Zoomify({
         url: zoomifyUrl,
         size: [513, 256]
       });
       var tileGrid = source.getTileGrid();
 
       // explicitly set as 'default'
-      var sourceDefault = new _ol_source_Zoomify_({
+      var sourceDefault = new Zoomify({
         url: zoomifyUrl,
         size: [513, 256],
         tierSizeCalculation: 'default'
@@ -214,7 +214,7 @@ describe('ol.source.Zoomify', function() {
       var tileGridDefault = sourceDefault.getTileGrid();
 
       // explicitly set to 'truncated'
-      var sourceTruncated = new _ol_source_Zoomify_({
+      var sourceTruncated = new Zoomify({
         url: zoomifyUrl,
         size: [513, 256],
         tierSizeCalculation: 'truncated'
@@ -254,7 +254,7 @@ describe('ol.source.Zoomify', function() {
     });
 
     it('creates an expected tileUrlFunction without template', function() {
-      var source = new _ol_source_Zoomify_({
+      var source = new Zoomify({
         url: 'spec/ol/source/images/zoomify/',
         size: size
       });
@@ -280,7 +280,7 @@ describe('ol.source.Zoomify', function() {
     it('returns expected tileClass instances via "getTile"', function() {
       var source = getZoomifySource();
       var tile = source.getTile(0, 0, -1, 1, proj);
-      expect(tile).to.be.an(_ol_source_Zoomify_.Tile_);
+      expect(tile).to.be.an(Zoomify.Tile_);
     });
 
     it('"tile.getImage" returns and caches an unloaded image', function() {