diff --git a/src/ol/format/EsriJSON.js b/src/ol/format/EsriJSON.js
index 598e76b4f2..f91049d7fb 100644
--- a/src/ol/format/EsriJSON.js
+++ b/src/ol/format/EsriJSON.js
@@ -6,7 +6,7 @@ import _ol_Feature_ from '../Feature.js';
 import _ol_asserts_ from '../asserts.js';
 import {containsExtent} from '../extent.js';
 import FeatureFormat from '../format/Feature.js';
-import _ol_format_JSONFeature_ from '../format/JSONFeature.js';
+import JSONFeature from '../format/JSONFeature.js';
 import GeometryLayout from '../geom/GeometryLayout.js';
 import GeometryType from '../geom/GeometryType.js';
 import LineString from '../geom/LineString.js';
@@ -34,7 +34,7 @@ var EsriJSON = function(opt_options) {
 
   var options = opt_options ? opt_options : {};
 
-  _ol_format_JSONFeature_.call(this);
+  JSONFeature.call(this);
 
   /**
    * Name of the geometry attribute for features.
@@ -45,7 +45,7 @@ var EsriJSON = function(opt_options) {
 
 };
 
-inherits(EsriJSON, _ol_format_JSONFeature_);
+inherits(EsriJSON, JSONFeature);
 
 
 /**
diff --git a/src/ol/format/GeoJSON.js b/src/ol/format/GeoJSON.js
index e44df4dda3..bd9c4eeb79 100644
--- a/src/ol/format/GeoJSON.js
+++ b/src/ol/format/GeoJSON.js
@@ -8,7 +8,7 @@ import {inherits} from '../index.js';
 import _ol_asserts_ from '../asserts.js';
 import _ol_Feature_ from '../Feature.js';
 import FeatureFormat from '../format/Feature.js';
-import _ol_format_JSONFeature_ from '../format/JSONFeature.js';
+import JSONFeature from '../format/JSONFeature.js';
 import GeometryCollection from '../geom/GeometryCollection.js';
 import LineString from '../geom/LineString.js';
 import MultiLineString from '../geom/MultiLineString.js';
@@ -32,7 +32,7 @@ var GeoJSON = function(opt_options) {
 
   var options = opt_options ? opt_options : {};
 
-  _ol_format_JSONFeature_.call(this);
+  JSONFeature.call(this);
 
   /**
    * @inheritDoc
@@ -62,7 +62,7 @@ var GeoJSON = function(opt_options) {
 
 };
 
-inherits(GeoJSON, _ol_format_JSONFeature_);
+inherits(GeoJSON, JSONFeature);
 
 
 /**
diff --git a/src/ol/format/JSONFeature.js b/src/ol/format/JSONFeature.js
index b1a1ada243..802c59d83c 100644
--- a/src/ol/format/JSONFeature.js
+++ b/src/ol/format/JSONFeature.js
@@ -15,11 +15,11 @@ import _ol_format_FormatType_ from '../format/FormatType.js';
  * @abstract
  * @extends {ol.format.Feature}
  */
-var _ol_format_JSONFeature_ = function() {
+var JSONFeature = function() {
   FeatureFormat.call(this);
 };
 
-inherits(_ol_format_JSONFeature_, FeatureFormat);
+inherits(JSONFeature, FeatureFormat);
 
 
 /**
@@ -27,7 +27,7 @@ inherits(_ol_format_JSONFeature_, FeatureFormat);
  * @private
  * @return {Object} Object.
  */
-_ol_format_JSONFeature_.prototype.getObject_ = function(source) {
+JSONFeature.prototype.getObject_ = function(source) {
   if (typeof source === 'string') {
     var object = JSON.parse(source);
     return object ? /** @type {Object} */ (object) : null;
@@ -42,7 +42,7 @@ _ol_format_JSONFeature_.prototype.getObject_ = function(source) {
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.getType = function() {
+JSONFeature.prototype.getType = function() {
   return _ol_format_FormatType_.JSON;
 };
 
@@ -50,7 +50,7 @@ _ol_format_JSONFeature_.prototype.getType = function() {
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.readFeature = function(source, opt_options) {
+JSONFeature.prototype.readFeature = function(source, opt_options) {
   return this.readFeatureFromObject(
       this.getObject_(source), this.getReadOptions(source, opt_options));
 };
@@ -59,7 +59,7 @@ _ol_format_JSONFeature_.prototype.readFeature = function(source, opt_options) {
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.readFeatures = function(source, opt_options) {
+JSONFeature.prototype.readFeatures = function(source, opt_options) {
   return this.readFeaturesFromObject(
       this.getObject_(source), this.getReadOptions(source, opt_options));
 };
@@ -72,7 +72,7 @@ _ol_format_JSONFeature_.prototype.readFeatures = function(source, opt_options) {
  * @protected
  * @return {ol.Feature} Feature.
  */
-_ol_format_JSONFeature_.prototype.readFeatureFromObject = function(object, opt_options) {};
+JSONFeature.prototype.readFeatureFromObject = function(object, opt_options) {};
 
 
 /**
@@ -82,13 +82,13 @@ _ol_format_JSONFeature_.prototype.readFeatureFromObject = function(object, opt_o
  * @protected
  * @return {Array.<ol.Feature>} Features.
  */
-_ol_format_JSONFeature_.prototype.readFeaturesFromObject = function(object, opt_options) {};
+JSONFeature.prototype.readFeaturesFromObject = function(object, opt_options) {};
 
 
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.readGeometry = function(source, opt_options) {
+JSONFeature.prototype.readGeometry = function(source, opt_options) {
   return this.readGeometryFromObject(
       this.getObject_(source), this.getReadOptions(source, opt_options));
 };
@@ -101,13 +101,13 @@ _ol_format_JSONFeature_.prototype.readGeometry = function(source, opt_options) {
  * @protected
  * @return {ol.geom.Geometry} Geometry.
  */
-_ol_format_JSONFeature_.prototype.readGeometryFromObject = function(object, opt_options) {};
+JSONFeature.prototype.readGeometryFromObject = function(object, opt_options) {};
 
 
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.readProjection = function(source) {
+JSONFeature.prototype.readProjection = function(source) {
   return this.readProjectionFromObject(this.getObject_(source));
 };
 
@@ -118,13 +118,13 @@ _ol_format_JSONFeature_.prototype.readProjection = function(source) {
  * @protected
  * @return {ol.proj.Projection} Projection.
  */
-_ol_format_JSONFeature_.prototype.readProjectionFromObject = function(object) {};
+JSONFeature.prototype.readProjectionFromObject = function(object) {};
 
 
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.writeFeature = function(feature, opt_options) {
+JSONFeature.prototype.writeFeature = function(feature, opt_options) {
   return JSON.stringify(this.writeFeatureObject(feature, opt_options));
 };
 
@@ -135,13 +135,13 @@ _ol_format_JSONFeature_.prototype.writeFeature = function(feature, opt_options)
  * @param {olx.format.WriteOptions=} opt_options Write options.
  * @return {Object} Object.
  */
-_ol_format_JSONFeature_.prototype.writeFeatureObject = function(feature, opt_options) {};
+JSONFeature.prototype.writeFeatureObject = function(feature, opt_options) {};
 
 
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.writeFeatures = function(features, opt_options) {
+JSONFeature.prototype.writeFeatures = function(features, opt_options) {
   return JSON.stringify(this.writeFeaturesObject(features, opt_options));
 };
 
@@ -152,13 +152,13 @@ _ol_format_JSONFeature_.prototype.writeFeatures = function(features, opt_options
  * @param {olx.format.WriteOptions=} opt_options Write options.
  * @return {Object} Object.
  */
-_ol_format_JSONFeature_.prototype.writeFeaturesObject = function(features, opt_options) {};
+JSONFeature.prototype.writeFeaturesObject = function(features, opt_options) {};
 
 
 /**
  * @inheritDoc
  */
-_ol_format_JSONFeature_.prototype.writeGeometry = function(geometry, opt_options) {
+JSONFeature.prototype.writeGeometry = function(geometry, opt_options) {
   return JSON.stringify(this.writeGeometryObject(geometry, opt_options));
 };
 
@@ -169,5 +169,5 @@ _ol_format_JSONFeature_.prototype.writeGeometry = function(geometry, opt_options
  * @param {olx.format.WriteOptions=} opt_options Write options.
  * @return {Object} Object.
  */
-_ol_format_JSONFeature_.prototype.writeGeometryObject = function(geometry, opt_options) {};
-export default _ol_format_JSONFeature_;
+JSONFeature.prototype.writeGeometryObject = function(geometry, opt_options) {};
+export default JSONFeature;
diff --git a/src/ol/format/TopoJSON.js b/src/ol/format/TopoJSON.js
index f580fa7d05..1992cace94 100644
--- a/src/ol/format/TopoJSON.js
+++ b/src/ol/format/TopoJSON.js
@@ -4,7 +4,7 @@
 import {inherits} from '../index.js';
 import _ol_Feature_ from '../Feature.js';
 import FeatureFormat from '../format/Feature.js';
-import _ol_format_JSONFeature_ from '../format/JSONFeature.js';
+import JSONFeature from '../format/JSONFeature.js';
 import LineString from '../geom/LineString.js';
 import MultiLineString from '../geom/MultiLineString.js';
 import MultiPoint from '../geom/MultiPoint.js';
@@ -26,7 +26,7 @@ var _ol_format_TopoJSON_ = function(opt_options) {
 
   var options = opt_options ? opt_options : {};
 
-  _ol_format_JSONFeature_.call(this);
+  JSONFeature.call(this);
 
   /**
    * @private
@@ -49,7 +49,7 @@ var _ol_format_TopoJSON_ = function(opt_options) {
 
 };
 
-inherits(_ol_format_TopoJSON_, _ol_format_JSONFeature_);
+inherits(_ol_format_TopoJSON_, JSONFeature);
 
 
 /**