diff --git a/src/ol/reproj/Tile.js b/src/ol/reproj/Tile.js
index 0875b9b30a..0fc1b89e24 100644
--- a/src/ol/reproj/Tile.js
+++ b/src/ol/reproj/Tile.js
@@ -32,7 +32,7 @@ import _ol_reproj_Triangulation_ from '../reproj/Triangulation.js';
  * @param {number=} opt_errorThreshold Acceptable reprojection error (in px).
  * @param {boolean=} opt_renderEdges Render reprojection edges.
  */
-var _ol_reproj_Tile_ = function(sourceProj, sourceTileGrid,
+var ReprojTile = function(sourceProj, sourceTileGrid,
     targetProj, targetTileGrid, tileCoord, wrappedTileCoord,
     pixelRatio, gutter, getTileFunction,
     opt_errorThreshold, opt_renderEdges) {
@@ -187,13 +187,13 @@ var _ol_reproj_Tile_ = function(sourceProj, sourceTileGrid,
   }
 };
 
-inherits(_ol_reproj_Tile_, _ol_Tile_);
+inherits(ReprojTile, _ol_Tile_);
 
 
 /**
  * @inheritDoc
  */
-_ol_reproj_Tile_.prototype.disposeInternal = function() {
+ReprojTile.prototype.disposeInternal = function() {
   if (this.state == TileState.LOADING) {
     this.unlistenSources_();
   }
@@ -205,7 +205,7 @@ _ol_reproj_Tile_.prototype.disposeInternal = function() {
  * Get the HTML Canvas element for this tile.
  * @return {HTMLCanvasElement} Canvas.
  */
-_ol_reproj_Tile_.prototype.getImage = function() {
+ReprojTile.prototype.getImage = function() {
   return this.canvas_;
 };
 
@@ -213,7 +213,7 @@ _ol_reproj_Tile_.prototype.getImage = function() {
 /**
  * @private
  */
-_ol_reproj_Tile_.prototype.reproject_ = function() {
+ReprojTile.prototype.reproject_ = function() {
   var sources = [];
   this.sourceTiles_.forEach(function(tile, i, arr) {
     if (tile && tile.getState() == TileState.LOADED) {
@@ -251,7 +251,7 @@ _ol_reproj_Tile_.prototype.reproject_ = function() {
 /**
  * @inheritDoc
  */
-_ol_reproj_Tile_.prototype.load = function() {
+ReprojTile.prototype.load = function() {
   if (this.state == TileState.IDLE) {
     this.state = TileState.LOADING;
     this.changed();
@@ -300,8 +300,8 @@ _ol_reproj_Tile_.prototype.load = function() {
 /**
  * @private
  */
-_ol_reproj_Tile_.prototype.unlistenSources_ = function() {
+ReprojTile.prototype.unlistenSources_ = function() {
   this.sourcesListenerKeys_.forEach(_ol_events_.unlistenByKey);
   this.sourcesListenerKeys_ = null;
 };
-export default _ol_reproj_Tile_;
+export default ReprojTile;
diff --git a/src/ol/source/TileImage.js b/src/ol/source/TileImage.js
index 48756ce3a1..7c71e935a4 100644
--- a/src/ol/source/TileImage.js
+++ b/src/ol/source/TileImage.js
@@ -9,7 +9,7 @@ import TileState from '../TileState.js';
 import _ol_events_ from '../events.js';
 import EventType from '../events/EventType.js';
 import {equivalent, get as getProjection} from '../proj.js';
-import _ol_reproj_Tile_ from '../reproj/Tile.js';
+import ReprojTile from '../reproj/Tile.js';
 import UrlTile from '../source/UrlTile.js';
 import _ol_tilecoord_ from '../tilecoord.js';
 import _ol_tilegrid_ from '../tilegrid.js';
@@ -254,7 +254,7 @@ TileImage.prototype.getTile = function(z, x, y, pixelRatio, projection) {
       var targetTileGrid = this.getTileGridForProjection(projection);
       var wrappedTileCoord =
           this.getTileCoordForTileUrlFunction(tileCoord, projection);
-      var newTile = new _ol_reproj_Tile_(
+      var newTile = new ReprojTile(
           sourceProjection, sourceTileGrid,
           projection, targetTileGrid,
           tileCoord, wrappedTileCoord, this.getTilePixelRatio(pixelRatio),
diff --git a/test/rendering/ol/reproj/tile.test.js b/test/rendering/ol/reproj/tile.test.js
index 4b27de01b0..7e71000b86 100644
--- a/test/rendering/ol/reproj/tile.test.js
+++ b/test/rendering/ol/reproj/tile.test.js
@@ -1,7 +1,7 @@
 import TileState from '../../../../src/ol/TileState.js';
 import _ol_events_ from '../../../../src/ol/events.js';
 import {get as getProjection} from '../../../../src/ol/proj.js';
-import _ol_reproj_Tile_ from '../../../../src/ol/reproj/Tile.js';
+import ReprojTile from '../../../../src/ol/reproj/Tile.js';
 import XYZ from '../../../../src/ol/source/XYZ.js';
 import _ol_tilegrid_ from '../../../../src/ol/tilegrid.js';
 import {register} from '../../../../src/ol/proj/proj4.js';
@@ -16,7 +16,7 @@ describe('ol.rendering.reproj.Tile', function() {
 
     var tilesRequested = 0;
 
-    var tile = new _ol_reproj_Tile_(sourceProjection, source.getTileGrid(),
+    var tile = new ReprojTile(sourceProjection, source.getTileGrid(),
         getProjection(targetProjection), targetTileGrid,
         [z, x, y], null, pixelRatio, sourceGutter,
         function(z, x, y, pixelRatio) {
diff --git a/test/spec/ol/reproj/tile.test.js b/test/spec/ol/reproj/tile.test.js
index d9220c9291..d11730af02 100644
--- a/test/spec/ol/reproj/tile.test.js
+++ b/test/spec/ol/reproj/tile.test.js
@@ -2,7 +2,7 @@ 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';
-import _ol_reproj_Tile_ from '../../../../src/ol/reproj/Tile.js';
+import ReprojTile from '../../../../src/ol/reproj/Tile.js';
 import _ol_tilegrid_ from '../../../../src/ol/tilegrid.js';
 
 
@@ -27,7 +27,7 @@ describe('ol.reproj.Tile', function() {
   function createTile(pixelRatio, opt_tileSize) {
     var proj4326 = getProjection('EPSG:4326');
     var proj3857 = getProjection('EPSG:3857');
-    return new _ol_reproj_Tile_(
+    return new ReprojTile(
         proj3857, _ol_tilegrid_.createForProjection(proj3857), proj4326,
         _ol_tilegrid_.createForProjection(proj4326, 3, opt_tileSize),
         [3, 2, -2], null, pixelRatio, 0, function(z, x, y, pixelRatio) {
@@ -54,7 +54,7 @@ describe('ol.reproj.Tile', function() {
   it('is empty when outside target tile grid', function() {
     var proj4326 = getProjection('EPSG:4326');
     var proj3857 = getProjection('EPSG:3857');
-    var tile = new _ol_reproj_Tile_(
+    var tile = new ReprojTile(
         proj3857, _ol_tilegrid_.createForProjection(proj3857),
         proj4326, _ol_tilegrid_.createForProjection(proj4326),
         [0, -1, 0], null, 1, 0, function() {
@@ -66,7 +66,7 @@ describe('ol.reproj.Tile', function() {
   it('is empty when outside source tile grid', function() {
     var proj4326 = getProjection('EPSG:4326');
     var proj27700 = getProjection('EPSG:27700');
-    var tile = new _ol_reproj_Tile_(
+    var tile = new ReprojTile(
         proj27700, _ol_tilegrid_.createForProjection(proj27700),
         proj4326, _ol_tilegrid_.createForProjection(proj4326),
         [3, 2, -2], null, 1, 0, function() {
diff --git a/test/spec/ol/source/tileimage.test.js b/test/spec/ol/source/tileimage.test.js
index f80b2dfad4..efd743dd79 100644
--- a/test/spec/ol/source/tileimage.test.js
+++ b/test/spec/ol/source/tileimage.test.js
@@ -6,7 +6,7 @@ import {addCommon, clearAllProjections, get as getProjection} from '../../../../
 import {register} from '../../../../src/ol/proj/proj4.js';
 import _ol_proj_EPSG3857_ from '../../../../src/ol/proj/EPSG3857.js';
 import _ol_proj_Projection_ from '../../../../src/ol/proj/Projection.js';
-import _ol_reproj_Tile_ from '../../../../src/ol/reproj/Tile.js';
+import ReprojTile from '../../../../src/ol/reproj/Tile.js';
 import TileImage from '../../../../src/ol/source/TileImage.js';
 import _ol_tilecoord_ from '../../../../src/ol/tilecoord.js';
 import _ol_tilegrid_ from '../../../../src/ol/tilegrid.js';
@@ -117,7 +117,7 @@ describe('ol.source.TileImage', function() {
       var source3857 = createSource('EPSG:3857');
       var tile3857 = source3857.getTile(0, 0, -1, 1, getProjection('EPSG:3857'));
       expect(tile3857).to.be.a(ImageTile);
-      expect(tile3857).not.to.be.a(_ol_reproj_Tile_);
+      expect(tile3857).not.to.be.a(ReprojTile);
 
       var projXXX = new _ol_proj_Projection_({
         code: 'XXX',
@@ -126,7 +126,7 @@ describe('ol.source.TileImage', function() {
       var sourceXXX = createSource(projXXX);
       var tileXXX = sourceXXX.getTile(0, 0, -1, 1, projXXX);
       expect(tileXXX).to.be.a(ImageTile);
-      expect(tileXXX).not.to.be.a(_ol_reproj_Tile_);
+      expect(tileXXX).not.to.be.a(ReprojTile);
     });
 
     beforeEach(function() {
@@ -146,7 +146,7 @@ describe('ol.source.TileImage', function() {
         tileSize: [2, 2]
       }));
       var tile = source.getTile(0, 0, -1, 1, getProjection('EPSG:3857'));
-      expect(tile).to.be.a(_ol_reproj_Tile_);
+      expect(tile).to.be.a(ReprojTile);
 
       _ol_events_.listen(tile, 'change', function() {
         if (tile.getState() == 2) { // LOADED
@@ -165,7 +165,7 @@ describe('ol.source.TileImage', function() {
             tileSize: [2, 2]
           }));
       var tile = source.getTile(0, 0, -1, 1, proj);
-      expect(tile).to.be.a(_ol_reproj_Tile_);
+      expect(tile).to.be.a(ReprojTile);
 
       _ol_events_.listen(tile, 'change', function() {
         if (tile.getState() == 2) { // LOADED