diff --git a/src/ol/ImageTile.js b/src/ol/ImageTile.js
index 2e9360fab5..e50e38eb98 100644
--- a/src/ol/ImageTile.js
+++ b/src/ol/ImageTile.js
@@ -18,7 +18,7 @@ import EventType from './events/EventType.js';
  * @param {ol.TileLoadFunctionType} tileLoadFunction Tile load function.
  * @param {olx.TileOptions=} opt_options Tile options.
  */
-var _ol_ImageTile_ = function(tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
+var ImageTile = function(tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
 
   _ol_Tile_.call(this, tileCoord, state, opt_options);
 
@@ -59,16 +59,16 @@ var _ol_ImageTile_ = function(tileCoord, state, src, crossOrigin, tileLoadFuncti
 
 };
 
-inherits(_ol_ImageTile_, _ol_Tile_);
+inherits(ImageTile, _ol_Tile_);
 
 
 /**
  * @inheritDoc
  */
-_ol_ImageTile_.prototype.disposeInternal = function() {
+ImageTile.prototype.disposeInternal = function() {
   if (this.state == TileState.LOADING) {
     this.unlistenImage_();
-    this.image_ = _ol_ImageTile_.getBlankImage();
+    this.image_ = ImageTile.getBlankImage();
   }
   if (this.interimTile) {
     this.interimTile.dispose();
@@ -84,7 +84,7 @@ _ol_ImageTile_.prototype.disposeInternal = function() {
  * @return {HTMLCanvasElement|HTMLImageElement|HTMLVideoElement} Image.
  * @api
  */
-_ol_ImageTile_.prototype.getImage = function() {
+ImageTile.prototype.getImage = function() {
   return this.image_;
 };
 
@@ -92,7 +92,7 @@ _ol_ImageTile_.prototype.getImage = function() {
 /**
  * @inheritDoc
  */
-_ol_ImageTile_.prototype.getKey = function() {
+ImageTile.prototype.getKey = function() {
   return this.src_;
 };
 
@@ -102,10 +102,10 @@ _ol_ImageTile_.prototype.getKey = function() {
  *
  * @private
  */
-_ol_ImageTile_.prototype.handleImageError_ = function() {
+ImageTile.prototype.handleImageError_ = function() {
   this.state = TileState.ERROR;
   this.unlistenImage_();
-  this.image_ = _ol_ImageTile_.getBlankImage();
+  this.image_ = ImageTile.getBlankImage();
   this.changed();
 };
 
@@ -115,7 +115,7 @@ _ol_ImageTile_.prototype.handleImageError_ = function() {
  *
  * @private
  */
-_ol_ImageTile_.prototype.handleImageLoad_ = function() {
+ImageTile.prototype.handleImageLoad_ = function() {
   if (this.image_.naturalWidth && this.image_.naturalHeight) {
     this.state = TileState.LOADED;
   } else {
@@ -130,7 +130,7 @@ _ol_ImageTile_.prototype.handleImageLoad_ = function() {
  * @inheritDoc
  * @api
  */
-_ol_ImageTile_.prototype.load = function() {
+ImageTile.prototype.load = function() {
   if (this.state == TileState.ERROR) {
     this.state = TileState.IDLE;
     this.image_ = new Image();
@@ -157,7 +157,7 @@ _ol_ImageTile_.prototype.load = function() {
  *
  * @private
  */
-_ol_ImageTile_.prototype.unlistenImage_ = function() {
+ImageTile.prototype.unlistenImage_ = function() {
   this.imageListenerKeys_.forEach(_ol_events_.unlistenByKey);
   this.imageListenerKeys_ = null;
 };
@@ -167,10 +167,10 @@ _ol_ImageTile_.prototype.unlistenImage_ = function() {
  * Get a 1-pixel blank image.
  * @return {HTMLCanvasElement} Blank image.
  */
-_ol_ImageTile_.getBlankImage = function() {
+ImageTile.getBlankImage = function() {
   var ctx = createCanvasContext2D(1, 1);
   ctx.fillStyle = 'rgba(0,0,0,0)';
   ctx.fillRect(0, 0, 1, 1);
   return ctx.canvas;
 };
-export default _ol_ImageTile_;
+export default ImageTile;
diff --git a/src/ol/source/TileImage.js b/src/ol/source/TileImage.js
index dde1d6211b..235927bb3c 100644
--- a/src/ol/source/TileImage.js
+++ b/src/ol/source/TileImage.js
@@ -3,7 +3,7 @@
  */
 import {ENABLE_RASTER_REPROJECTION} from '../reproj/common.js';
 import {getUid, inherits} from '../index.js';
-import _ol_ImageTile_ from '../ImageTile.js';
+import ImageTile from '../ImageTile.js';
 import TileCache from '../TileCache.js';
 import TileState from '../TileState.js';
 import _ol_events_ from '../events.js';
@@ -57,7 +57,7 @@ var _ol_source_TileImage_ = function(options) {
    *        ?string, ol.TileLoadFunctionType, olx.TileOptions=)}
    */
   this.tileClass = options.tileClass !== undefined ?
-    options.tileClass : _ol_ImageTile_;
+    options.tileClass : ImageTile;
 
   /**
    * @protected
diff --git a/src/ol/source/Zoomify.js b/src/ol/source/Zoomify.js
index 10208cd089..5980899f9f 100644
--- a/src/ol/source/Zoomify.js
+++ b/src/ol/source/Zoomify.js
@@ -3,7 +3,7 @@
  */
 import {DEFAULT_TILE_SIZE} from '../tilegrid/common.js';
 import {inherits} from '../index.js';
-import _ol_ImageTile_ from '../ImageTile.js';
+import ImageTile from '../ImageTile.js';
 import TileState from '../TileState.js';
 import {expandUrl, createFromTileUrlFunctions} from '../tileurlfunction.js';
 import {assert} from '../asserts.js';
@@ -168,7 +168,7 @@ inherits(_ol_source_Zoomify_, _ol_source_TileImage_);
 _ol_source_Zoomify_.Tile_ = function(
     tileGrid, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options) {
 
-  _ol_ImageTile_.call(this, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options);
+  ImageTile.call(this, tileCoord, state, src, crossOrigin, tileLoadFunction, opt_options);
 
   /**
    * @private
@@ -182,7 +182,7 @@ _ol_source_Zoomify_.Tile_ = function(
    */
   this.tileSize_ = _ol_size_.toSize(tileGrid.getTileSize(tileCoord[0]));
 };
-inherits(_ol_source_Zoomify_.Tile_, _ol_ImageTile_);
+inherits(_ol_source_Zoomify_.Tile_, ImageTile);
 
 
 /**
@@ -192,7 +192,7 @@ _ol_source_Zoomify_.Tile_.prototype.getImage = function() {
   if (this.zoomifyImage_) {
     return this.zoomifyImage_;
   }
-  var image = _ol_ImageTile_.prototype.getImage.call(this);
+  var image = ImageTile.prototype.getImage.call(this);
   if (this.state == TileState.LOADED) {
     var tileSize = this.tileSize_;
     if (image.width == tileSize[0] && image.height == tileSize[1]) {
diff --git a/test/spec/ol/imagetile.test.js b/test/spec/ol/imagetile.test.js
index e355e0fb95..4fed6479ae 100644
--- a/test/spec/ol/imagetile.test.js
+++ b/test/spec/ol/imagetile.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../src/ol/ImageTile.js';
+import ImageTile from '../../../src/ol/ImageTile.js';
 import TileState from '../../../src/ol/TileState.js';
 import _ol_events_ from '../../../src/ol/events.js';
 import EventType from '../../../src/ol/events/EventType.js';
@@ -14,7 +14,7 @@ describe('ol.ImageTile', function() {
       var state = TileState.IDLE;
       var src = 'spec/ol/data/osm-0-0-0.png';
       var tileLoadFunction = _ol_source_Image_.defaultImageLoadFunction;
-      var tile = new _ol_ImageTile_(tileCoord, state, src, null, tileLoadFunction);
+      var tile = new ImageTile(tileCoord, state, src, null, tileLoadFunction);
 
       var previousState = tile.getState();
 
@@ -39,7 +39,7 @@ describe('ol.ImageTile', function() {
       var state = TileState.ERROR;
       var src = 'spec/ol/data/osm-0-0-0.png';
       var tileLoadFunction = _ol_source_Image_.defaultImageLoadFunction;
-      var tile = new _ol_ImageTile_(tileCoord, state, src, null, tileLoadFunction);
+      var tile = new ImageTile(tileCoord, state, src, null, tileLoadFunction);
 
       var previousState = tile.getState();
 
@@ -64,7 +64,7 @@ describe('ol.ImageTile', function() {
       var state = TileState.IDLE;
       var src = 'spec/ol/data/osm-0-0-99.png';
       var tileLoadFunction = _ol_source_Image_.defaultImageLoadFunction;
-      var tile = new _ol_ImageTile_(tileCoord, state, src, null, tileLoadFunction);
+      var tile = new ImageTile(tileCoord, state, src, null, tileLoadFunction);
 
       var key = _ol_events_.listen(tile, EventType.CHANGE, function(event) {
         var state = tile.getState();
@@ -90,12 +90,12 @@ describe('ol.ImageTile', function() {
       var state = TileState.IDLE;
       var src = 'spec/ol/data/osm-0-0-0.png';
       var tileLoadFunction = _ol_source_Image_.defaultImageLoadFunction;
-      var tile = new _ol_ImageTile_(tileCoord, state, src, null, tileLoadFunction);
+      var tile = new ImageTile(tileCoord, state, src, null, tileLoadFunction);
       tile.load();
       expect(tile.getState()).to.be(TileState.LOADING);
       tile.dispose();
       expect(tile.getState()).to.be(TileState.ABORT);
-      expect(tile.getImage().src).to.be(_ol_ImageTile_.blankImageUrl);
+      expect(tile.getImage().src).to.be(ImageTile.blankImageUrl);
     });
 
   });
diff --git a/test/spec/ol/reproj/tile.test.js b/test/spec/ol/reproj/tile.test.js
index c4b518cb84..d9220c9291 100644
--- a/test/spec/ol/reproj/tile.test.js
+++ b/test/spec/ol/reproj/tile.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../../src/ol/ImageTile.js';
+import ImageTile from '../../../../src/ol/ImageTile.js';
 import _ol_events_ from '../../../../src/ol/events.js';
 import {addCommon, clearAllProjections, get as getProjection} from '../../../../src/ol/proj.js';
 import {register} from '../../../../src/ol/proj/proj4.js';
@@ -31,7 +31,7 @@ describe('ol.reproj.Tile', function() {
         proj3857, _ol_tilegrid_.createForProjection(proj3857), proj4326,
         _ol_tilegrid_.createForProjection(proj4326, 3, opt_tileSize),
         [3, 2, -2], null, pixelRatio, 0, function(z, x, y, pixelRatio) {
-          return new _ol_ImageTile_([z, x, y], 0, // IDLE
+          return new ImageTile([z, x, y], 0, // IDLE
               'data:image/gif;base64,' +
               'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=', null,
               function(tile, src) {
diff --git a/test/spec/ol/source/tilearcgisrest.test.js b/test/spec/ol/source/tilearcgisrest.test.js
index 694f884ee7..10771c5572 100644
--- a/test/spec/ol/source/tilearcgisrest.test.js
+++ b/test/spec/ol/source/tilearcgisrest.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../../src/ol/ImageTile.js';
+import ImageTile from '../../../../src/ol/ImageTile.js';
 import _ol_source_TileArcGISRest_ from '../../../../src/ol/source/TileArcGISRest.js';
 import {get as getProjection} from '../../../../src/ol/proj.js';
 
@@ -18,7 +18,7 @@ describe('ol.source.TileArcGISRest', function() {
     it('returns a tile with the expected URL', function() {
       var source = new _ol_source_TileArcGISRest_(options);
       var tile = source.getTile(3, 2, -7, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.an(_ol_ImageTile_);
+      expect(tile).to.be.an(ImageTile);
       var uri = new URL(tile.src_);
       expect(uri.protocol).to.be('http:');
       expect(uri.hostname).to.be('example.com');
@@ -61,7 +61,7 @@ describe('ol.source.TileArcGISRest', function() {
       var source = new _ol_source_TileArcGISRest_(options);
 
       var tile = source.getTile(3, 2, -7, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.an(_ol_ImageTile_);
+      expect(tile).to.be.an(ImageTile);
       var uri = new URL(tile.src_);
       expect(uri.protocol).to.be('http:');
       expect(uri.hostname).to.match(/test[12]\.com/);
@@ -84,7 +84,7 @@ describe('ol.source.TileArcGISRest', function() {
       options.url = 'http://example.com/ImageServer';
       var source = new _ol_source_TileArcGISRest_(options);
       var tile = source.getTile(3, 2, -7, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.an(_ol_ImageTile_);
+      expect(tile).to.be.an(ImageTile);
       var uri = new URL(tile.src_);
       expect(uri.protocol).to.be('http:');
       expect(uri.hostname).to.be('example.com');
diff --git a/test/spec/ol/source/tileimage.test.js b/test/spec/ol/source/tileimage.test.js
index b1f6abe85f..23c7e26f33 100644
--- a/test/spec/ol/source/tileimage.test.js
+++ b/test/spec/ol/source/tileimage.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../../src/ol/ImageTile.js';
+import ImageTile from '../../../../src/ol/ImageTile.js';
 import TileState from '../../../../src/ol/TileState.js';
 import {createFromTemplate} from '../../../../src/ol/tileurlfunction.js';
 import _ol_events_ from '../../../../src/ol/events.js';
@@ -116,7 +116,7 @@ describe('ol.source.TileImage', function() {
     it('does not do reprojection for identity', function() {
       var source3857 = createSource('EPSG:3857');
       var tile3857 = source3857.getTile(0, 0, -1, 1, getProjection('EPSG:3857'));
-      expect(tile3857).to.be.a(_ol_ImageTile_);
+      expect(tile3857).to.be.a(ImageTile);
       expect(tile3857).not.to.be.a(_ol_reproj_Tile_);
 
       var projXXX = new _ol_proj_Projection_({
@@ -125,7 +125,7 @@ describe('ol.source.TileImage', function() {
       });
       var sourceXXX = createSource(projXXX);
       var tileXXX = sourceXXX.getTile(0, 0, -1, 1, projXXX);
-      expect(tileXXX).to.be.a(_ol_ImageTile_);
+      expect(tileXXX).to.be.a(ImageTile);
       expect(tileXXX).not.to.be.a(_ol_reproj_Tile_);
     });
 
diff --git a/test/spec/ol/source/tilewms.test.js b/test/spec/ol/source/tilewms.test.js
index f17c99871b..e174907c50 100644
--- a/test/spec/ol/source/tilewms.test.js
+++ b/test/spec/ol/source/tilewms.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../../src/ol/ImageTile.js';
+import ImageTile from '../../../../src/ol/ImageTile.js';
 import {get as getProjection} from '../../../../src/ol/proj.js';
 import _ol_source_TileWMS_ from '../../../../src/ol/source/TileWMS.js';
 import _ol_tilegrid_ from '../../../../src/ol/tilegrid.js';
@@ -39,7 +39,7 @@ describe('ol.source.TileWMS', function() {
     it('returns a tile with the expected URL', function() {
       var source = new _ol_source_TileWMS_(options);
       var tile = source.getTile(3, 2, -7, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.an(_ol_ImageTile_);
+      expect(tile).to.be.an(ImageTile);
       var uri = new URL(tile.src_);
       expect(uri.protocol).to.be('http:');
       expect(uri.hostname).to.be('example.com');
@@ -68,7 +68,7 @@ describe('ol.source.TileWMS', function() {
       options.gutter = 16;
       var source = new _ol_source_TileWMS_(options);
       var tile = source.getTile(3, 2, -7, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.an(_ol_ImageTile_);
+      expect(tile).to.be.an(ImageTile);
       var uri = new URL(tile.src_);
       var queryData = uri.searchParams;
       var bbox = queryData.get('BBOX').split(',');
diff --git a/test/spec/ol/tile.test.js b/test/spec/ol/tile.test.js
index c2ac4b3eb5..e0da139632 100644
--- a/test/spec/ol/tile.test.js
+++ b/test/spec/ol/tile.test.js
@@ -1,5 +1,5 @@
 import {getUid} from '../../../src/ol/index.js';
-import _ol_ImageTile_ from '../../../src/ol/ImageTile.js';
+import ImageTile from '../../../src/ol/ImageTile.js';
 import _ol_Tile_ from '../../../src/ol/Tile.js';
 import TileState from '../../../src/ol/TileState.js';
 
@@ -58,11 +58,11 @@ describe('ol.Tile', function() {
     var head, renderTile;
     beforeEach(function() {
       var tileCoord = [0, 0, 0];
-      head = new _ol_ImageTile_(tileCoord, TileState.IDLE);
+      head = new ImageTile(tileCoord, TileState.IDLE);
       getUid(head);
 
       var addToChain = function(tile, state) {
-        var next = new _ol_ImageTile_(tileCoord, state);
+        var next = new ImageTile(tileCoord, state);
         getUid(next);
         tile.interimTile = next;
         return next;
diff --git a/test/spec/ol/tilequeue.test.js b/test/spec/ol/tilequeue.test.js
index 9be9c7bcab..2b62283534 100644
--- a/test/spec/ol/tilequeue.test.js
+++ b/test/spec/ol/tilequeue.test.js
@@ -1,4 +1,4 @@
-import _ol_ImageTile_ from '../../../src/ol/ImageTile.js';
+import ImageTile from '../../../src/ol/ImageTile.js';
 import _ol_Tile_ from '../../../src/ol/Tile.js';
 import TileQueue from '../../../src/ol/TileQueue.js';
 import TileState from '../../../src/ol/TileState.js';
@@ -33,7 +33,7 @@ describe('ol.TileQueue', function() {
 
     var tileLoadFunction = opt_tileLoadFunction ?
       opt_tileLoadFunction : _ol_source_Image_.defaultImageLoadFunction;
-    return new _ol_ImageTile_(tileCoord, state, src, null, tileLoadFunction);
+    return new ImageTile(tileCoord, state, src, null, tileLoadFunction);
   }
 
   describe('#loadMoreTiles()', function() {