diff --git a/examples/overviewmap-custom.js b/examples/overviewmap-custom.js
index 643e14ef9e..d859af0a31 100644
--- a/examples/overviewmap-custom.js
+++ b/examples/overviewmap-custom.js
@@ -1,14 +1,14 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_control_ from '../src/ol/control.js';
-import _ol_control_OverviewMap_ from '../src/ol/control/OverviewMap.js';
+import OverviewMap from '../src/ol/control/OverviewMap.js';
 import _ol_interaction_ from '../src/ol/interaction.js';
 import _ol_interaction_DragRotateAndZoom_ from '../src/ol/interaction/DragRotateAndZoom.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
 
 
-var overviewMapControl = new _ol_control_OverviewMap_({
+var overviewMapControl = new OverviewMap({
   // see in overviewmap-custom.html to see the custom CSS used
   className: 'ol-overviewmap ol-custom-overviewmap',
   layers: [
diff --git a/examples/overviewmap.js b/examples/overviewmap.js
index 8a887ae5fc..1b8f09a982 100644
--- a/examples/overviewmap.js
+++ b/examples/overviewmap.js
@@ -1,13 +1,13 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_control_ from '../src/ol/control.js';
-import _ol_control_OverviewMap_ from '../src/ol/control/OverviewMap.js';
+import OverviewMap from '../src/ol/control/OverviewMap.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
 
 var map = new _ol_Map_({
   controls: _ol_control_.defaults().extend([
-    new _ol_control_OverviewMap_()
+    new OverviewMap()
   ]),
   layers: [
     new _ol_layer_Tile_({
diff --git a/src/ol/control/OverviewMap.js b/src/ol/control/OverviewMap.js
index 29fb4465c2..cb4bf80c3b 100644
--- a/src/ol/control/OverviewMap.js
+++ b/src/ol/control/OverviewMap.js
@@ -42,7 +42,7 @@ var MIN_RATIO = 0.1;
  * @param {olx.control.OverviewMapOptions=} opt_options OverviewMap options.
  * @api
  */
-var _ol_control_OverviewMap_ = function(opt_options) {
+var OverviewMap = function(opt_options) {
 
   var options = opt_options ? opt_options : {};
 
@@ -156,7 +156,7 @@ var _ol_control_OverviewMap_ = function(opt_options) {
   element.appendChild(this.ovmapDiv_);
   element.appendChild(button);
 
-  var render = options.render ? options.render : _ol_control_OverviewMap_.render;
+  var render = options.render ? options.render : OverviewMap.render;
 
   Control.call(this, {
     element: element,
@@ -203,14 +203,14 @@ var _ol_control_OverviewMap_ = function(opt_options) {
   });
 };
 
-inherits(_ol_control_OverviewMap_, Control);
+inherits(OverviewMap, Control);
 
 
 /**
  * @inheritDoc
  * @api
  */
-_ol_control_OverviewMap_.prototype.setMap = function(map) {
+OverviewMap.prototype.setMap = function(map) {
   var oldMap = this.getMap();
   if (map === oldMap) {
     return;
@@ -252,7 +252,7 @@ _ol_control_OverviewMap_.prototype.setMap = function(map) {
  * @param {ol.Object.Event} event The propertychange event.
  * @private
  */
-_ol_control_OverviewMap_.prototype.handleMapPropertyChange_ = function(event) {
+OverviewMap.prototype.handleMapPropertyChange_ = function(event) {
   if (event.key === _ol_MapProperty_.VIEW) {
     var oldView = /** @type {ol.View} */ (event.oldValue);
     if (oldView) {
@@ -269,7 +269,7 @@ _ol_control_OverviewMap_.prototype.handleMapPropertyChange_ = function(event) {
  * @param {ol.View} view The view.
  * @private
  */
-_ol_control_OverviewMap_.prototype.bindView_ = function(view) {
+OverviewMap.prototype.bindView_ = function(view) {
   _ol_events_.listen(view,
       _ol_Object_.getChangeEventType(_ol_ViewProperty_.ROTATION),
       this.handleRotationChanged_, this);
@@ -281,7 +281,7 @@ _ol_control_OverviewMap_.prototype.bindView_ = function(view) {
  * @param {ol.View} view The view.
  * @private
  */
-_ol_control_OverviewMap_.prototype.unbindView_ = function(view) {
+OverviewMap.prototype.unbindView_ = function(view) {
   _ol_events_.unlisten(view,
       _ol_Object_.getChangeEventType(_ol_ViewProperty_.ROTATION),
       this.handleRotationChanged_, this);
@@ -294,7 +294,7 @@ _ol_control_OverviewMap_.prototype.unbindView_ = function(view) {
  * overview map's view.
  * @private
  */
-_ol_control_OverviewMap_.prototype.handleRotationChanged_ = function() {
+OverviewMap.prototype.handleRotationChanged_ = function() {
   this.ovmap_.getView().setRotation(this.getMap().getView().getRotation());
 };
 
@@ -305,7 +305,7 @@ _ol_control_OverviewMap_.prototype.handleRotationChanged_ = function() {
  * @this {ol.control.OverviewMap}
  * @api
  */
-_ol_control_OverviewMap_.render = function(mapEvent) {
+OverviewMap.render = function(mapEvent) {
   this.validateExtent_();
   this.updateBox_();
 };
@@ -322,7 +322,7 @@ _ol_control_OverviewMap_.render = function(mapEvent) {
  * main map center location.
  * @private
  */
-_ol_control_OverviewMap_.prototype.validateExtent_ = function() {
+OverviewMap.prototype.validateExtent_ = function() {
   var map = this.getMap();
   var ovmap = this.ovmap_;
 
@@ -367,7 +367,7 @@ _ol_control_OverviewMap_.prototype.validateExtent_ = function() {
  * the extent of the main map.
  * @private
  */
-_ol_control_OverviewMap_.prototype.resetExtent_ = function() {
+OverviewMap.prototype.resetExtent_ = function() {
   if (MAX_RATIO === 0 || MIN_RATIO === 0) {
     return;
   }
@@ -398,7 +398,7 @@ _ol_control_OverviewMap_.prototype.resetExtent_ = function() {
  * resolution.
  * @private
  */
-_ol_control_OverviewMap_.prototype.recenter_ = function() {
+OverviewMap.prototype.recenter_ = function() {
   var map = this.getMap();
   var ovmap = this.ovmap_;
 
@@ -414,7 +414,7 @@ _ol_control_OverviewMap_.prototype.recenter_ = function() {
  * Update the box using the main map extent
  * @private
  */
-_ol_control_OverviewMap_.prototype.updateBox_ = function() {
+OverviewMap.prototype.updateBox_ = function() {
   var map = this.getMap();
   var ovmap = this.ovmap_;
 
@@ -455,7 +455,7 @@ _ol_control_OverviewMap_.prototype.updateBox_ = function() {
  * @return {ol.Coordinate|undefined} Coordinate for rotation and center anchor.
  * @private
  */
-_ol_control_OverviewMap_.prototype.calculateCoordinateRotate_ = function(
+OverviewMap.prototype.calculateCoordinateRotate_ = function(
     rotation, coordinate) {
   var coordinateRotate;
 
@@ -480,7 +480,7 @@ _ol_control_OverviewMap_.prototype.calculateCoordinateRotate_ = function(
  * @param {Event} event The event to handle
  * @private
  */
-_ol_control_OverviewMap_.prototype.handleClick_ = function(event) {
+OverviewMap.prototype.handleClick_ = function(event) {
   event.preventDefault();
   this.handleToggle_();
 };
@@ -489,7 +489,7 @@ _ol_control_OverviewMap_.prototype.handleClick_ = function(event) {
 /**
  * @private
  */
-_ol_control_OverviewMap_.prototype.handleToggle_ = function() {
+OverviewMap.prototype.handleToggle_ = function() {
   this.element.classList.toggle('ol-collapsed');
   if (this.collapsed_) {
     replaceNode(this.collapseLabel_, this.label_);
@@ -518,7 +518,7 @@ _ol_control_OverviewMap_.prototype.handleToggle_ = function() {
  * @return {boolean} True if the widget is collapsible.
  * @api
  */
-_ol_control_OverviewMap_.prototype.getCollapsible = function() {
+OverviewMap.prototype.getCollapsible = function() {
   return this.collapsible_;
 };
 
@@ -528,7 +528,7 @@ _ol_control_OverviewMap_.prototype.getCollapsible = function() {
  * @param {boolean} collapsible True if the widget is collapsible.
  * @api
  */
-_ol_control_OverviewMap_.prototype.setCollapsible = function(collapsible) {
+OverviewMap.prototype.setCollapsible = function(collapsible) {
   if (this.collapsible_ === collapsible) {
     return;
   }
@@ -547,7 +547,7 @@ _ol_control_OverviewMap_.prototype.setCollapsible = function(collapsible) {
  * @param {boolean} collapsed True if the widget is collapsed.
  * @api
  */
-_ol_control_OverviewMap_.prototype.setCollapsed = function(collapsed) {
+OverviewMap.prototype.setCollapsed = function(collapsed) {
   if (!this.collapsible_ || this.collapsed_ === collapsed) {
     return;
   }
@@ -560,7 +560,7 @@ _ol_control_OverviewMap_.prototype.setCollapsed = function(collapsed) {
  * @return {boolean} The overview map is collapsed.
  * @api
  */
-_ol_control_OverviewMap_.prototype.getCollapsed = function() {
+OverviewMap.prototype.getCollapsed = function() {
   return this.collapsed_;
 };
 
@@ -570,7 +570,7 @@ _ol_control_OverviewMap_.prototype.getCollapsed = function() {
  * @return {ol.PluggableMap} Overview map.
  * @api
  */
-_ol_control_OverviewMap_.prototype.getOverviewMap = function() {
+OverviewMap.prototype.getOverviewMap = function() {
   return this.ovmap_;
 };
-export default _ol_control_OverviewMap_;
+export default OverviewMap;
diff --git a/test/spec/ol/control/overviewmap.test.js b/test/spec/ol/control/overviewmap.test.js
index 2d4586c990..d7a976fcdf 100644
--- a/test/spec/ol/control/overviewmap.test.js
+++ b/test/spec/ol/control/overviewmap.test.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../../../../src/ol/Map.js';
 import _ol_View_ from '../../../../src/ol/View.js';
 import Control from '../../../../src/ol/control/Control.js';
-import _ol_control_OverviewMap_ from '../../../../src/ol/control/OverviewMap.js';
+import OverviewMap from '../../../../src/ol/control/OverviewMap.js';
 
 describe('ol.control.OverviewMap', function() {
   var map, target;
@@ -23,8 +23,8 @@ describe('ol.control.OverviewMap', function() {
 
   describe('constructor', function() {
     it('creates an overview map with the default options', function() {
-      var control = new _ol_control_OverviewMap_();
-      expect(control).to.be.a(_ol_control_OverviewMap_);
+      var control = new OverviewMap();
+      expect(control).to.be.a(OverviewMap);
       expect(control).to.be.a(Control);
     });
   });
@@ -39,7 +39,7 @@ describe('ol.control.OverviewMap', function() {
       });
       map.setView(view);
 
-      var control = new _ol_control_OverviewMap_();
+      var control = new OverviewMap();
       map.addControl(control);
       var ovView = control.ovmap_.getView();
       expect(ovView.getRotation()).to.be(0);
@@ -49,7 +49,7 @@ describe('ol.control.OverviewMap', function() {
     });
 
     it('maintains rotation in sync if view added later', function() {
-      var control = new _ol_control_OverviewMap_();
+      var control = new OverviewMap();
       map.addControl(control);
       var ovView = control.ovmap_.getView();
       expect(ovView.getRotation()).to.be(0);
@@ -65,7 +65,7 @@ describe('ol.control.OverviewMap', function() {
     });
 
     it('stops listening to old maps', function() {
-      var control = new _ol_control_OverviewMap_();
+      var control = new OverviewMap();
       var ovView = control.ovmap_.getView();
 
       var view = new _ol_View_({
@@ -86,7 +86,7 @@ describe('ol.control.OverviewMap', function() {
     });
 
     it('set target to null', function() {
-      var control = new _ol_control_OverviewMap_();
+      var control = new OverviewMap();
 
       map.addControl(control);