diff --git a/examples/box-selection.js b/examples/box-selection.js
index 80140cc52a..958c565db2 100644
--- a/examples/box-selection.js
+++ b/examples/box-selection.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_events_condition_ from '../src/ol/events/condition.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import DragBox from '../src/ol/interaction/DragBox.js';
 import _ol_interaction_Select_ from '../src/ol/interaction/Select.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
@@ -12,7 +12,7 @@ import _ol_source_Vector_ from '../src/ol/source/Vector.js';
 
 var vectorSource = new _ol_source_Vector_({
   url: 'data/geojson/countries.geojson',
-  format: new _ol_format_GeoJSON_()
+  format: new GeoJSON()
 });
 
 
diff --git a/examples/canvas-gradient-pattern.js b/examples/canvas-gradient-pattern.js
index 4cdfec729f..76f22d58a7 100644
--- a/examples/canvas-gradient-pattern.js
+++ b/examples/canvas-gradient-pattern.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import * as _ol_extent_ from '../src/ol/extent.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_has_ from '../src/ol/has.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import {fromLonLat} from '../src/ol/proj.js';
@@ -84,7 +84,7 @@ var getStackedStyle = function(feature, resolution) {
 var vectorLayer = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: getStackedStyle
 });
diff --git a/examples/center.js b/examples/center.js
index 36a5b1c3df..7c1c32d509 100644
--- a/examples/center.js
+++ b/examples/center.js
@@ -1,7 +1,7 @@
 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_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
@@ -13,7 +13,7 @@ import _ol_style_Style_ from '../src/ol/style/Style.js';
 
 var source = new _ol_source_Vector_({
   url: 'data/geojson/switzerland.geojson',
-  format: new _ol_format_GeoJSON_()
+  format: new GeoJSON()
 });
 var style = new _ol_style_Style_({
   fill: new _ol_style_Fill_({
diff --git a/examples/drag-and-drop-image-vector.js b/examples/drag-and-drop-image-vector.js
index 44fdd05d59..7a8f8f81f7 100644
--- a/examples/drag-and-drop-image-vector.js
+++ b/examples/drag-and-drop-image-vector.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_format_GPX_ from '../src/ol/format/GPX.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_format_IGC_ from '../src/ol/format/IGC.js';
 import _ol_format_KML_ from '../src/ol/format/KML.js';
 import _ol_format_TopoJSON_ from '../src/ol/format/TopoJSON.js';
@@ -86,7 +86,7 @@ var styleFunction = function(feature, resolution) {
 var dragAndDropInteraction = new DragAndDrop({
   formatConstructors: [
     _ol_format_GPX_,
-    _ol_format_GeoJSON_,
+    GeoJSON,
     _ol_format_IGC_,
     _ol_format_KML_,
     _ol_format_TopoJSON_
diff --git a/examples/drag-and-drop.js b/examples/drag-and-drop.js
index 222efea03b..45d353a7d0 100644
--- a/examples/drag-and-drop.js
+++ b/examples/drag-and-drop.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_format_GPX_ from '../src/ol/format/GPX.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_format_IGC_ from '../src/ol/format/IGC.js';
 import _ol_format_KML_ from '../src/ol/format/KML.js';
 import _ol_format_TopoJSON_ from '../src/ol/format/TopoJSON.js';
@@ -86,7 +86,7 @@ var styleFunction = function(feature, resolution) {
 var dragAndDropInteraction = new DragAndDrop({
   formatConstructors: [
     _ol_format_GPX_,
-    _ol_format_GeoJSON_,
+    GeoJSON,
     _ol_format_IGC_,
     _ol_format_KML_,
     _ol_format_TopoJSON_
diff --git a/examples/export-map.js b/examples/export-map.js
index d0d9323f1e..df03f94c81 100644
--- a/examples/export-map.js
+++ b/examples/export-map.js
@@ -3,7 +3,7 @@
 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_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
@@ -17,7 +17,7 @@ var map = new _ol_Map_({
     new _ol_layer_Vector_({
       source: new _ol_source_Vector_({
         url: 'data/geojson/countries.geojson',
-        format: new _ol_format_GeoJSON_()
+        format: new GeoJSON()
       })
     })
   ],
diff --git a/examples/extent-interaction.js b/examples/extent-interaction.js
index b2bb3f2457..655bb9e138 100644
--- a/examples/extent-interaction.js
+++ b/examples/extent-interaction.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_events_condition_ from '../src/ol/events/condition.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_interaction_Extent_ from '../src/ol/interaction/Extent.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
@@ -10,7 +10,7 @@ import _ol_source_Vector_ from '../src/ol/source/Vector.js';
 
 var vectorSource = new _ol_source_Vector_({
   url: 'data/geojson/countries.geojson',
-  format: new _ol_format_GeoJSON_()
+  format: new GeoJSON()
 });
 
 var map = new _ol_Map_({
diff --git a/examples/geojson-vt.js b/examples/geojson-vt.js
index 57a5f7d959..fad9a58d3c 100644
--- a/examples/geojson-vt.js
+++ b/examples/geojson-vt.js
@@ -1,7 +1,7 @@
 // NOCOMPILE
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
 import _ol_source_VectorTile_ from '../src/ol/source/VectorTile.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
@@ -75,7 +75,7 @@ fetch(url).then(function(response) {
     debug: 1
   });
   var vectorSource = new _ol_source_VectorTile_({
-    format: new _ol_format_GeoJSON_(),
+    format: new GeoJSON(),
     tileLoadFunction: function(tile) {
       var format = tile.getFormat();
       var tileCoord = tile.getTileCoord();
diff --git a/examples/geojson.js b/examples/geojson.js
index e8c9db2d8f..a3d548526a 100644
--- a/examples/geojson.js
+++ b/examples/geojson.js
@@ -2,7 +2,7 @@ import _ol_Feature_ from '../src/ol/Feature.js';
 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_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import Circle from '../src/ol/geom/Circle.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
@@ -161,7 +161,7 @@ var geojsonObject = {
 };
 
 var vectorSource = new _ol_source_Vector_({
-  features: (new _ol_format_GeoJSON_()).readFeatures(geojsonObject)
+  features: (new GeoJSON()).readFeatures(geojsonObject)
 });
 
 vectorSource.addFeature(new _ol_Feature_(new Circle([5e6, 7e6], 1e6)));
diff --git a/examples/image-vector-layer.js b/examples/image-vector-layer.js
index 199c0fe46d..5af586662b 100644
--- a/examples/image-vector-layer.js
+++ b/examples/image-vector-layer.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_Vector_ from '../src/ol/source/Vector.js';
 import _ol_style_Fill_ from '../src/ol/style/Fill.js';
@@ -26,7 +26,7 @@ var map = new _ol_Map_({
       renderMode: 'image',
       source: new _ol_source_Vector_({
         url: 'data/geojson/countries.geojson',
-        format: new _ol_format_GeoJSON_()
+        format: new GeoJSON()
       }),
       style: function(feature) {
         style.getText().setText(feature.get('name'));
diff --git a/examples/jsts.js b/examples/jsts.js
index 99a430373b..038f2e6294 100644
--- a/examples/jsts.js
+++ b/examples/jsts.js
@@ -2,7 +2,7 @@
 // this example uses JSTS for which we don't have an externs file.
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import {fromLonLat} from '../src/ol/proj.js';
@@ -14,7 +14,7 @@ var source = new _ol_source_Vector_();
 fetch('data/geojson/roads-seoul.geojson').then(function(response) {
   return response.json();
 }).then(function(json) {
-  var format = new _ol_format_GeoJSON_();
+  var format = new GeoJSON();
   var features = format.readFeatures(json, {featureProjection: 'EPSG:3857'});
 
   var parser = new jsts.io.OL3Parser();
diff --git a/examples/modify-features.js b/examples/modify-features.js
index e8db4f57cd..d03a795b1d 100644
--- a/examples/modify-features.js
+++ b/examples/modify-features.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_interaction_ from '../src/ol/interaction.js';
 import _ol_interaction_Modify_ from '../src/ol/interaction/Modify.js';
 import _ol_interaction_Select_ from '../src/ol/interaction/Select.js';
@@ -17,7 +17,7 @@ var raster = new _ol_layer_Tile_({
 var vector = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_(),
+    format: new GeoJSON(),
     wrapX: false
   })
 });
diff --git a/examples/modify-test.js b/examples/modify-test.js
index 8553ac8fa9..a9002fa77b 100644
--- a/examples/modify-test.js
+++ b/examples/modify-test.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_interaction_ from '../src/ol/interaction.js';
 import _ol_interaction_Modify_ from '../src/ol/interaction/Modify.js';
 import _ol_interaction_Select_ from '../src/ol/interaction/Select.js';
@@ -145,7 +145,7 @@ var geojsonObject = {
 };
 
 var source = new _ol_source_Vector_({
-  features: (new _ol_format_GeoJSON_()).readFeatures(geojsonObject)
+  features: (new GeoJSON()).readFeatures(geojsonObject)
 });
 
 var layer = new _ol_layer_Vector_({
diff --git a/examples/polygon-styles.js b/examples/polygon-styles.js
index 80629d2423..32c1b0442f 100644
--- a/examples/polygon-styles.js
+++ b/examples/polygon-styles.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import MultiPoint from '../src/ol/geom/MultiPoint.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_Vector_ from '../src/ol/source/Vector.js';
@@ -81,7 +81,7 @@ var geojsonObject = {
 };
 
 var source = new _ol_source_Vector_({
-  features: (new _ol_format_GeoJSON_()).readFeatures(geojsonObject)
+  features: (new GeoJSON()).readFeatures(geojsonObject)
 });
 
 var layer = new _ol_layer_Vector_({
diff --git a/examples/select-features.js b/examples/select-features.js
index c2a8a4a934..6d1a0d8039 100644
--- a/examples/select-features.js
+++ b/examples/select-features.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_events_condition_ from '../src/ol/events/condition.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_interaction_Select_ from '../src/ol/interaction/Select.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
@@ -15,7 +15,7 @@ var raster = new _ol_layer_Tile_({
 var vector = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   })
 });
 
diff --git a/examples/sphere-mollweide.js b/examples/sphere-mollweide.js
index 13cb008b6c..c317e1f479 100644
--- a/examples/sphere-mollweide.js
+++ b/examples/sphere-mollweide.js
@@ -1,7 +1,7 @@
 import Graticule from '../src/ol/Graticule.js';
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_proj_Projection_ from '../src/ol/proj/Projection.js';
 import _ol_source_Vector_ from '../src/ol/source/Vector.js';
@@ -28,7 +28,7 @@ var map = new _ol_Map_({
     new _ol_layer_Vector_({
       source: new _ol_source_Vector_({
         url: 'data/geojson/countries-110m.geojson',
-        format: new _ol_format_GeoJSON_()
+        format: new GeoJSON()
       })
     })
   ],
diff --git a/examples/street-labels.js b/examples/street-labels.js
index aee202b175..acc7330bbf 100644
--- a/examples/street-labels.js
+++ b/examples/street-labels.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import * as _ol_extent_ from '../src/ol/extent.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_BingMaps_ from '../src/ol/source/BingMaps.js';
@@ -30,7 +30,7 @@ var map = new _ol_Map_({
   }), new _ol_layer_Vector_({
     declutter: true,
     source: new _ol_source_Vector_({
-      format: new _ol_format_GeoJSON_(),
+      format: new GeoJSON(),
       url: 'data/geojson/vienna-streets.geojson'
     }),
     style: function(feature) {
diff --git a/examples/translate-features.js b/examples/translate-features.js
index 54cecc4e4c..23d8d50ec9 100644
--- a/examples/translate-features.js
+++ b/examples/translate-features.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_interaction_ from '../src/ol/interaction.js';
 import _ol_interaction_Select_ from '../src/ol/interaction/Select.js';
 import _ol_interaction_Translate_ from '../src/ol/interaction/Translate.js';
@@ -17,7 +17,7 @@ var raster = new _ol_layer_Tile_({
 var vector = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   })
 });
 
diff --git a/examples/turf.js b/examples/turf.js
index a4a8f59c7d..d53aa6a293 100644
--- a/examples/turf.js
+++ b/examples/turf.js
@@ -2,7 +2,7 @@
 // this example uses turf.js for which we don't have an externs file.
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import {fromLonLat} from '../src/ol/proj.js';
@@ -14,7 +14,7 @@ var source = new _ol_source_Vector_();
 fetch('data/geojson/roads-seoul.geojson').then(function(response) {
   return response.json();
 }).then(function(json) {
-  var format = new _ol_format_GeoJSON_();
+  var format = new GeoJSON();
   var features = format.readFeatures(json);
   var street = features[0];
 
diff --git a/examples/vector-label-decluttering.js b/examples/vector-label-decluttering.js
index d7b95b515f..dc1a1c92ca 100644
--- a/examples/vector-label-decluttering.js
+++ b/examples/vector-label-decluttering.js
@@ -1,7 +1,7 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import * as _ol_extent_ from '../src/ol/extent.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_Vector_ from '../src/ol/source/Vector.js';
 import _ol_style_Fill_ from '../src/ol/style/Fill.js';
@@ -61,7 +61,7 @@ var style = [countryStyle, labelStyle];
 var vectorLayer = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: function(feature) {
     labelStyle.getText().setText(feature.get('name'));
diff --git a/examples/vector-labels.js b/examples/vector-labels.js
index e39e1d8630..ffe12c6d68 100644
--- a/examples/vector-labels.js
+++ b/examples/vector-labels.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_OSM_ from '../src/ol/source/OSM.js';
@@ -143,7 +143,7 @@ function polygonStyleFunction(feature, resolution) {
 var vectorPolygons = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/polygon-samples.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: polygonStyleFunction
 });
@@ -163,7 +163,7 @@ function lineStyleFunction(feature, resolution) {
 var vectorLines = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/line-samples.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: lineStyleFunction
 });
@@ -184,7 +184,7 @@ function pointStyleFunction(feature, resolution) {
 var vectorPoints = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/point-samples.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: pointStyleFunction
 });
diff --git a/examples/vector-layer.js b/examples/vector-layer.js
index 14d340e96a..53b340a584 100644
--- a/examples/vector-layer.js
+++ b/examples/vector-layer.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_Vector_ from '../src/ol/source/Vector.js';
 import _ol_style_Fill_ from '../src/ol/style/Fill.js';
@@ -32,7 +32,7 @@ var style = new _ol_style_Style_({
 var vectorLayer = new _ol_layer_Vector_({
   source: new _ol_source_Vector_({
     url: 'data/geojson/countries.geojson',
-    format: new _ol_format_GeoJSON_()
+    format: new GeoJSON()
   }),
   style: function(feature) {
     style.getText().setText(feature.get('name'));
diff --git a/examples/vector-wfs-getfeature.js b/examples/vector-wfs-getfeature.js
index 3473a2fb08..cc83d821da 100644
--- a/examples/vector-wfs-getfeature.js
+++ b/examples/vector-wfs-getfeature.js
@@ -2,7 +2,7 @@ import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
 import _ol_format_filter_ from '../src/ol/format/filter.js';
 import _ol_format_WFS_ from '../src/ol/format/WFS.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_source_BingMaps_ from '../src/ol/source/BingMaps.js';
@@ -59,7 +59,7 @@ fetch('https://ahocevar.com/geoserver/wfs', {
 }).then(function(response) {
   return response.json();
 }).then(function(json) {
-  var features = new _ol_format_GeoJSON_().readFeatures(json);
+  var features = new GeoJSON().readFeatures(json);
   vectorSource.addFeatures(features);
   map.getView().fit(vectorSource.getExtent());
 });
diff --git a/examples/vector-wfs.js b/examples/vector-wfs.js
index 64114664b8..8e242b28f9 100644
--- a/examples/vector-wfs.js
+++ b/examples/vector-wfs.js
@@ -1,6 +1,6 @@
 import _ol_Map_ from '../src/ol/Map.js';
 import _ol_View_ from '../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../src/ol/format/GeoJSON.js';
+import GeoJSON from '../src/ol/format/GeoJSON.js';
 import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
 import _ol_layer_Vector_ from '../src/ol/layer/Vector.js';
 import _ol_loadingstrategy_ from '../src/ol/loadingstrategy.js';
@@ -11,7 +11,7 @@ import _ol_style_Style_ from '../src/ol/style/Style.js';
 
 
 var vectorSource = new _ol_source_Vector_({
-  format: new _ol_format_GeoJSON_(),
+  format: new GeoJSON(),
   url: function(extent) {
     return 'https://ahocevar.com/geoserver/wfs?service=WFS&' +
         'version=1.1.0&request=GetFeature&typename=osm:water_areas&' +
diff --git a/src/ol/format/GeoJSON.js b/src/ol/format/GeoJSON.js
index 173c115953..e44df4dda3 100644
--- a/src/ol/format/GeoJSON.js
+++ b/src/ol/format/GeoJSON.js
@@ -28,7 +28,7 @@ import {get as getProjection} from '../proj.js';
  * @param {olx.format.GeoJSONOptions=} opt_options Options.
  * @api
  */
-var _ol_format_GeoJSON_ = function(opt_options) {
+var GeoJSON = function(opt_options) {
 
   var options = opt_options ? opt_options : {};
 
@@ -62,7 +62,7 @@ var _ol_format_GeoJSON_ = function(opt_options) {
 
 };
 
-inherits(_ol_format_GeoJSON_, _ol_format_JSONFeature_);
+inherits(GeoJSON, _ol_format_JSONFeature_);
 
 
 /**
@@ -71,11 +71,11 @@ inherits(_ol_format_GeoJSON_, _ol_format_JSONFeature_);
  * @private
  * @return {ol.geom.Geometry} Geometry.
  */
-_ol_format_GeoJSON_.readGeometry_ = function(object, opt_options) {
+GeoJSON.readGeometry_ = function(object, opt_options) {
   if (!object) {
     return null;
   }
-  var geometryReader = _ol_format_GeoJSON_.GEOMETRY_READERS_[object.type];
+  var geometryReader = GeoJSON.GEOMETRY_READERS_[object.type];
   return (
     /** @type {ol.geom.Geometry} */ FeatureFormat.transformWithOptions(
         geometryReader(object), false, opt_options)
@@ -89,7 +89,7 @@ _ol_format_GeoJSON_.readGeometry_ = function(object, opt_options) {
  * @private
  * @return {ol.geom.GeometryCollection} Geometry collection.
  */
-_ol_format_GeoJSON_.readGeometryCollectionGeometry_ = function(
+GeoJSON.readGeometryCollectionGeometry_ = function(
     object, opt_options) {
   var geometries = object.geometries.map(
       /**
@@ -97,7 +97,7 @@ _ol_format_GeoJSON_.readGeometryCollectionGeometry_ = function(
        * @return {ol.geom.Geometry} geometry Geometry.
        */
       function(geometry) {
-        return _ol_format_GeoJSON_.readGeometry_(geometry, opt_options);
+        return GeoJSON.readGeometry_(geometry, opt_options);
       });
   return new GeometryCollection(geometries);
 };
@@ -108,7 +108,7 @@ _ol_format_GeoJSON_.readGeometryCollectionGeometry_ = function(
  * @private
  * @return {ol.geom.Point} Point.
  */
-_ol_format_GeoJSON_.readPointGeometry_ = function(object) {
+GeoJSON.readPointGeometry_ = function(object) {
   return new Point(object.coordinates);
 };
 
@@ -118,7 +118,7 @@ _ol_format_GeoJSON_.readPointGeometry_ = function(object) {
  * @private
  * @return {ol.geom.LineString} LineString.
  */
-_ol_format_GeoJSON_.readLineStringGeometry_ = function(object) {
+GeoJSON.readLineStringGeometry_ = function(object) {
   return new LineString(object.coordinates);
 };
 
@@ -128,7 +128,7 @@ _ol_format_GeoJSON_.readLineStringGeometry_ = function(object) {
  * @private
  * @return {ol.geom.MultiLineString} MultiLineString.
  */
-_ol_format_GeoJSON_.readMultiLineStringGeometry_ = function(object) {
+GeoJSON.readMultiLineStringGeometry_ = function(object) {
   return new MultiLineString(object.coordinates);
 };
 
@@ -138,7 +138,7 @@ _ol_format_GeoJSON_.readMultiLineStringGeometry_ = function(object) {
  * @private
  * @return {ol.geom.MultiPoint} MultiPoint.
  */
-_ol_format_GeoJSON_.readMultiPointGeometry_ = function(object) {
+GeoJSON.readMultiPointGeometry_ = function(object) {
   return new MultiPoint(object.coordinates);
 };
 
@@ -148,7 +148,7 @@ _ol_format_GeoJSON_.readMultiPointGeometry_ = function(object) {
  * @private
  * @return {ol.geom.MultiPolygon} MultiPolygon.
  */
-_ol_format_GeoJSON_.readMultiPolygonGeometry_ = function(object) {
+GeoJSON.readMultiPolygonGeometry_ = function(object) {
   return new MultiPolygon(object.coordinates);
 };
 
@@ -158,7 +158,7 @@ _ol_format_GeoJSON_.readMultiPolygonGeometry_ = function(object) {
  * @private
  * @return {ol.geom.Polygon} Polygon.
  */
-_ol_format_GeoJSON_.readPolygonGeometry_ = function(object) {
+GeoJSON.readPolygonGeometry_ = function(object) {
   return new Polygon(object.coordinates);
 };
 
@@ -169,8 +169,8 @@ _ol_format_GeoJSON_.readPolygonGeometry_ = function(object) {
  * @private
  * @return {GeoJSONGeometry|GeoJSONGeometryCollection} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writeGeometry_ = function(geometry, opt_options) {
-  var geometryWriter = _ol_format_GeoJSON_.GEOMETRY_WRITERS_[geometry.getType()];
+GeoJSON.writeGeometry_ = function(geometry, opt_options) {
+  var geometryWriter = GeoJSON.GEOMETRY_WRITERS_[geometry.getType()];
   return geometryWriter(/** @type {ol.geom.Geometry} */ (
     FeatureFormat.transformWithOptions(geometry, true, opt_options)),
   opt_options);
@@ -182,7 +182,7 @@ _ol_format_GeoJSON_.writeGeometry_ = function(geometry, opt_options) {
  * @private
  * @return {GeoJSONGeometryCollection} Empty GeoJSON geometry collection.
  */
-_ol_format_GeoJSON_.writeEmptyGeometryCollectionGeometry_ = function(geometry) {
+GeoJSON.writeEmptyGeometryCollectionGeometry_ = function(geometry) {
   return /** @type {GeoJSONGeometryCollection} */ ({
     type: 'GeometryCollection',
     geometries: []
@@ -196,12 +196,12 @@ _ol_format_GeoJSON_.writeEmptyGeometryCollectionGeometry_ = function(geometry) {
  * @private
  * @return {GeoJSONGeometryCollection} GeoJSON geometry collection.
  */
-_ol_format_GeoJSON_.writeGeometryCollectionGeometry_ = function(
+GeoJSON.writeGeometryCollectionGeometry_ = function(
     geometry, opt_options) {
   var geometries = geometry.getGeometriesArray().map(function(geometry) {
     var options = _ol_obj_.assign({}, opt_options);
     delete options.featureProjection;
-    return _ol_format_GeoJSON_.writeGeometry_(geometry, options);
+    return GeoJSON.writeGeometry_(geometry, options);
   });
   return /** @type {GeoJSONGeometryCollection} */ ({
     type: 'GeometryCollection',
@@ -216,7 +216,7 @@ _ol_format_GeoJSON_.writeGeometryCollectionGeometry_ = function(
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writeLineStringGeometry_ = function(geometry, opt_options) {
+GeoJSON.writeLineStringGeometry_ = function(geometry, opt_options) {
   return /** @type {GeoJSONGeometry} */ ({
     type: 'LineString',
     coordinates: geometry.getCoordinates()
@@ -230,7 +230,7 @@ _ol_format_GeoJSON_.writeLineStringGeometry_ = function(geometry, opt_options) {
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writeMultiLineStringGeometry_ = function(geometry, opt_options) {
+GeoJSON.writeMultiLineStringGeometry_ = function(geometry, opt_options) {
   return /** @type {GeoJSONGeometry} */ ({
     type: 'MultiLineString',
     coordinates: geometry.getCoordinates()
@@ -244,7 +244,7 @@ _ol_format_GeoJSON_.writeMultiLineStringGeometry_ = function(geometry, opt_optio
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writeMultiPointGeometry_ = function(geometry, opt_options) {
+GeoJSON.writeMultiPointGeometry_ = function(geometry, opt_options) {
   return /** @type {GeoJSONGeometry} */ ({
     type: 'MultiPoint',
     coordinates: geometry.getCoordinates()
@@ -258,7 +258,7 @@ _ol_format_GeoJSON_.writeMultiPointGeometry_ = function(geometry, opt_options) {
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writeMultiPolygonGeometry_ = function(geometry, opt_options) {
+GeoJSON.writeMultiPolygonGeometry_ = function(geometry, opt_options) {
   var right;
   if (opt_options) {
     right = opt_options.rightHanded;
@@ -276,7 +276,7 @@ _ol_format_GeoJSON_.writeMultiPolygonGeometry_ = function(geometry, opt_options)
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writePointGeometry_ = function(geometry, opt_options) {
+GeoJSON.writePointGeometry_ = function(geometry, opt_options) {
   return /** @type {GeoJSONGeometry} */ ({
     type: 'Point',
     coordinates: geometry.getCoordinates()
@@ -290,7 +290,7 @@ _ol_format_GeoJSON_.writePointGeometry_ = function(geometry, opt_options) {
  * @private
  * @return {GeoJSONGeometry} GeoJSON geometry.
  */
-_ol_format_GeoJSON_.writePolygonGeometry_ = function(geometry, opt_options) {
+GeoJSON.writePolygonGeometry_ = function(geometry, opt_options) {
   var right;
   if (opt_options) {
     right = opt_options.rightHanded;
@@ -307,14 +307,14 @@ _ol_format_GeoJSON_.writePolygonGeometry_ = function(geometry, opt_options) {
  * @private
  * @type {Object.<string, function(GeoJSONObject): ol.geom.Geometry>}
  */
-_ol_format_GeoJSON_.GEOMETRY_READERS_ = {
-  'Point': _ol_format_GeoJSON_.readPointGeometry_,
-  'LineString': _ol_format_GeoJSON_.readLineStringGeometry_,
-  'Polygon': _ol_format_GeoJSON_.readPolygonGeometry_,
-  'MultiPoint': _ol_format_GeoJSON_.readMultiPointGeometry_,
-  'MultiLineString': _ol_format_GeoJSON_.readMultiLineStringGeometry_,
-  'MultiPolygon': _ol_format_GeoJSON_.readMultiPolygonGeometry_,
-  'GeometryCollection': _ol_format_GeoJSON_.readGeometryCollectionGeometry_
+GeoJSON.GEOMETRY_READERS_ = {
+  'Point': GeoJSON.readPointGeometry_,
+  'LineString': GeoJSON.readLineStringGeometry_,
+  'Polygon': GeoJSON.readPolygonGeometry_,
+  'MultiPoint': GeoJSON.readMultiPointGeometry_,
+  'MultiLineString': GeoJSON.readMultiLineStringGeometry_,
+  'MultiPolygon': GeoJSON.readMultiPolygonGeometry_,
+  'GeometryCollection': GeoJSON.readGeometryCollectionGeometry_
 };
 
 
@@ -323,15 +323,15 @@ _ol_format_GeoJSON_.GEOMETRY_READERS_ = {
  * @private
  * @type {Object.<string, function(ol.geom.Geometry, olx.format.WriteOptions=): (GeoJSONGeometry|GeoJSONGeometryCollection)>}
  */
-_ol_format_GeoJSON_.GEOMETRY_WRITERS_ = {
-  'Point': _ol_format_GeoJSON_.writePointGeometry_,
-  'LineString': _ol_format_GeoJSON_.writeLineStringGeometry_,
-  'Polygon': _ol_format_GeoJSON_.writePolygonGeometry_,
-  'MultiPoint': _ol_format_GeoJSON_.writeMultiPointGeometry_,
-  'MultiLineString': _ol_format_GeoJSON_.writeMultiLineStringGeometry_,
-  'MultiPolygon': _ol_format_GeoJSON_.writeMultiPolygonGeometry_,
-  'GeometryCollection': _ol_format_GeoJSON_.writeGeometryCollectionGeometry_,
-  'Circle': _ol_format_GeoJSON_.writeEmptyGeometryCollectionGeometry_
+GeoJSON.GEOMETRY_WRITERS_ = {
+  'Point': GeoJSON.writePointGeometry_,
+  'LineString': GeoJSON.writeLineStringGeometry_,
+  'Polygon': GeoJSON.writePolygonGeometry_,
+  'MultiPoint': GeoJSON.writeMultiPointGeometry_,
+  'MultiLineString': GeoJSON.writeMultiLineStringGeometry_,
+  'MultiPolygon': GeoJSON.writeMultiPolygonGeometry_,
+  'GeometryCollection': GeoJSON.writeGeometryCollectionGeometry_,
+  'Circle': GeoJSON.writeEmptyGeometryCollectionGeometry_
 };
 
 
@@ -347,7 +347,7 @@ _ol_format_GeoJSON_.GEOMETRY_WRITERS_ = {
  * @return {ol.Feature} Feature.
  * @api
  */
-_ol_format_GeoJSON_.prototype.readFeature;
+GeoJSON.prototype.readFeature;
 
 
 /**
@@ -361,13 +361,13 @@ _ol_format_GeoJSON_.prototype.readFeature;
  * @return {Array.<ol.Feature>} Features.
  * @api
  */
-_ol_format_GeoJSON_.prototype.readFeatures;
+GeoJSON.prototype.readFeatures;
 
 
 /**
  * @inheritDoc
  */
-_ol_format_GeoJSON_.prototype.readFeatureFromObject = function(
+GeoJSON.prototype.readFeatureFromObject = function(
     object, opt_options) {
   /**
    * @type {GeoJSONFeature}
@@ -382,7 +382,7 @@ _ol_format_GeoJSON_.prototype.readFeatureFromObject = function(
     });
   }
 
-  var geometry = _ol_format_GeoJSON_.readGeometry_(geoJSONFeature.geometry, opt_options);
+  var geometry = GeoJSON.readGeometry_(geoJSONFeature.geometry, opt_options);
   var feature = new _ol_Feature_();
   if (this.geometryName_) {
     feature.setGeometryName(this.geometryName_);
@@ -403,7 +403,7 @@ _ol_format_GeoJSON_.prototype.readFeatureFromObject = function(
 /**
  * @inheritDoc
  */
-_ol_format_GeoJSON_.prototype.readFeaturesFromObject = function(
+GeoJSON.prototype.readFeaturesFromObject = function(
     object, opt_options) {
   var geoJSONObject = /** @type {GeoJSONObject} */ (object);
   /** @type {Array.<ol.Feature>} */
@@ -434,15 +434,15 @@ _ol_format_GeoJSON_.prototype.readFeaturesFromObject = function(
  * @return {ol.geom.Geometry} Geometry.
  * @api
  */
-_ol_format_GeoJSON_.prototype.readGeometry;
+GeoJSON.prototype.readGeometry;
 
 
 /**
  * @inheritDoc
  */
-_ol_format_GeoJSON_.prototype.readGeometryFromObject = function(
+GeoJSON.prototype.readGeometryFromObject = function(
     object, opt_options) {
-  return _ol_format_GeoJSON_.readGeometry_(
+  return GeoJSON.readGeometry_(
       /** @type {GeoJSONGeometry} */ (object), opt_options);
 };
 
@@ -455,13 +455,13 @@ _ol_format_GeoJSON_.prototype.readGeometryFromObject = function(
  * @return {ol.proj.Projection} Projection.
  * @api
  */
-_ol_format_GeoJSON_.prototype.readProjection;
+GeoJSON.prototype.readProjection;
 
 
 /**
  * @inheritDoc
  */
-_ol_format_GeoJSON_.prototype.readProjectionFromObject = function(object) {
+GeoJSON.prototype.readProjectionFromObject = function(object) {
   var geoJSONObject = /** @type {GeoJSONObject} */ (object);
   var crs = geoJSONObject.crs;
   var projection;
@@ -488,7 +488,7 @@ _ol_format_GeoJSON_.prototype.readProjectionFromObject = function(object) {
  * @override
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeFeature;
+GeoJSON.prototype.writeFeature;
 
 
 /**
@@ -500,7 +500,7 @@ _ol_format_GeoJSON_.prototype.writeFeature;
  * @override
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeFeatureObject = function(feature, opt_options) {
+GeoJSON.prototype.writeFeatureObject = function(feature, opt_options) {
   opt_options = this.adaptOptions(opt_options);
 
   var object = /** @type {GeoJSONFeature} */ ({
@@ -513,7 +513,7 @@ _ol_format_GeoJSON_.prototype.writeFeatureObject = function(feature, opt_options
   var geometry = feature.getGeometry();
   if (geometry) {
     object.geometry =
-        _ol_format_GeoJSON_.writeGeometry_(geometry, opt_options);
+        GeoJSON.writeGeometry_(geometry, opt_options);
   } else {
     object.geometry = null;
   }
@@ -537,7 +537,7 @@ _ol_format_GeoJSON_.prototype.writeFeatureObject = function(feature, opt_options
  * @return {string} GeoJSON.
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeFeatures;
+GeoJSON.prototype.writeFeatures;
 
 
 /**
@@ -549,7 +549,7 @@ _ol_format_GeoJSON_.prototype.writeFeatures;
  * @override
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeFeaturesObject = function(features, opt_options) {
+GeoJSON.prototype.writeFeaturesObject = function(features, opt_options) {
   opt_options = this.adaptOptions(opt_options);
   var objects = [];
   var i, ii;
@@ -572,7 +572,7 @@ _ol_format_GeoJSON_.prototype.writeFeaturesObject = function(features, opt_optio
  * @return {string} GeoJSON.
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeGeometry;
+GeoJSON.prototype.writeGeometry;
 
 
 /**
@@ -584,9 +584,9 @@ _ol_format_GeoJSON_.prototype.writeGeometry;
  * @override
  * @api
  */
-_ol_format_GeoJSON_.prototype.writeGeometryObject = function(geometry,
+GeoJSON.prototype.writeGeometryObject = function(geometry,
     opt_options) {
-  return _ol_format_GeoJSON_.writeGeometry_(geometry,
+  return GeoJSON.writeGeometry_(geometry,
       this.adaptOptions(opt_options));
 };
-export default _ol_format_GeoJSON_;
+export default GeoJSON;
diff --git a/test/rendering/ol/layer/vector.test.js b/test/rendering/ol/layer/vector.test.js
index 6153fd4864..2d594d97b6 100644
--- a/test/rendering/ol/layer/vector.test.js
+++ b/test/rendering/ol/layer/vector.test.js
@@ -1,7 +1,7 @@
 import _ol_Feature_ from '../../../../src/ol/Feature.js';
 import _ol_Map_ from '../../../../src/ol/Map.js';
 import _ol_View_ from '../../../../src/ol/View.js';
-import _ol_format_GeoJSON_ from '../../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../../src/ol/format/GeoJSON.js';
 import Circle from '../../../../src/ol/geom/Circle.js';
 import LineString from '../../../../src/ol/geom/LineString.js';
 import Point from '../../../../src/ol/geom/Point.js';
@@ -463,7 +463,7 @@ describe('ol.rendering.layer.Vector', function() {
         properties: {}
       };
 
-      var format = new _ol_format_GeoJSON_({featureProjection: 'EPSG:3857'});
+      var format = new GeoJSON({featureProjection: 'EPSG:3857'});
       var feature = format.readFeature(json);
 
       var layer = new _ol_layer_Vector_({
diff --git a/test/spec/ol/featureloader.test.js b/test/spec/ol/featureloader.test.js
index 103e8ec0cd..6165a735d6 100644
--- a/test/spec/ol/featureloader.test.js
+++ b/test/spec/ol/featureloader.test.js
@@ -1,5 +1,5 @@
 import _ol_featureloader_ from '../../../src/ol/featureloader.js';
-import _ol_format_GeoJSON_ from '../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../src/ol/format/GeoJSON.js';
 import _ol_source_Vector_ from '../../../src/ol/source/Vector.js';
 
 
@@ -13,7 +13,7 @@ describe('ol.featureloader', function() {
 
     beforeEach(function() {
       url = 'spec/ol/data/point.json';
-      format = new _ol_format_GeoJSON_();
+      format = new GeoJSON();
 
       source = new _ol_source_Vector_();
     });
diff --git a/test/spec/ol/format/geojson.test.js b/test/spec/ol/format/geojson.test.js
index cffafb4869..5c1d1b86d5 100644
--- a/test/spec/ol/format/geojson.test.js
+++ b/test/spec/ol/format/geojson.test.js
@@ -1,6 +1,6 @@
 import _ol_Feature_ from '../../../../src/ol/Feature.js';
 import * as _ol_extent_ from '../../../../src/ol/extent.js';
-import _ol_format_GeoJSON_ from '../../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../../src/ol/format/GeoJSON.js';
 import Circle from '../../../../src/ol/geom/Circle.js';
 import GeometryCollection from '../../../../src/ol/geom/GeometryCollection.js';
 import LineString from '../../../../src/ol/geom/LineString.js';
@@ -15,7 +15,7 @@ describe('ol.format.GeoJSON', function() {
 
   var format;
   beforeEach(function() {
-    format = new _ol_format_GeoJSON_();
+    format = new GeoJSON();
   });
 
   var pointGeoJSON = {
@@ -215,7 +215,7 @@ describe('ol.format.GeoJSON', function() {
     });
 
     it('uses featureProjection passed to the constructor', function() {
-      var format = new _ol_format_GeoJSON_({featureProjection: 'EPSG:3857'});
+      var format = new GeoJSON({featureProjection: 'EPSG:3857'});
       var feature = format.readFeatures(pointGeoJSON);
       expect(feature[0].getGeometry()).to.be.an(Point);
       expect(feature[0].getGeometry().getCoordinates()).to.eql(
@@ -223,7 +223,7 @@ describe('ol.format.GeoJSON', function() {
     });
 
     it('gives precedence to options passed to the read method', function() {
-      var format = new _ol_format_GeoJSON_({featureProjection: 'EPSG:1234'});
+      var format = new GeoJSON({featureProjection: 'EPSG:1234'});
       var feature = format.readFeatures(pointGeoJSON, {
         featureProjection: 'EPSG:3857'
       });
@@ -254,7 +254,7 @@ describe('ol.format.GeoJSON', function() {
     });
 
     it('can create a feature with a specific geometryName', function() {
-      var feature = new _ol_format_GeoJSON_({geometryName: 'the_geom'}).
+      var feature = new GeoJSON({geometryName: 'the_geom'}).
           readFeature(pointGeoJSON);
       expect(feature.getGeometryName()).to.be('the_geom');
       expect(feature.getGeometry()).to.be.an(Point);
@@ -322,7 +322,7 @@ describe('ol.format.GeoJSON', function() {
 
     it('generates an array of features for Feature', function() {
 
-      var format = new _ol_format_GeoJSON_();
+      var format = new GeoJSON();
       var json = {
         type: 'Feature',
         properties: {
@@ -604,7 +604,7 @@ describe('ol.format.GeoJSON', function() {
     });
 
     it('respects featureProjection passed to constructor', function() {
-      var format = new _ol_format_GeoJSON_({featureProjection: 'EPSG:3857'});
+      var format = new GeoJSON({featureProjection: 'EPSG:3857'});
       var point = new Point(fromLonLat([10, 20]));
       var geojson = format.writeGeometry(point);
       var obj = JSON.parse(geojson);
diff --git a/test/spec/ol/format/kml.test.js b/test/spec/ol/format/kml.test.js
index 79c3c42504..90d871112c 100644
--- a/test/spec/ol/format/kml.test.js
+++ b/test/spec/ol/format/kml.test.js
@@ -1,6 +1,6 @@
 import _ol_Feature_ from '../../../../src/ol/Feature.js';
 import _ol_array_ from '../../../../src/ol/array.js';
-import _ol_format_GeoJSON_ from '../../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../../src/ol/format/GeoJSON.js';
 import _ol_format_KML_ from '../../../../src/ol/format/KML.js';
 import GeometryCollection from '../../../../src/ol/geom/GeometryCollection.js';
 import LineString from '../../../../src/ol/geom/LineString.js';
@@ -3230,7 +3230,7 @@ describe('ol.format.KML', function() {
       });
 
       it('feature must not have a properties property', function() {
-        var geojsonFormat = new _ol_format_GeoJSON_();
+        var geojsonFormat = new GeoJSON();
         features.forEach(function(feature) {
           var geojsonFeature = geojsonFormat.writeFeatureObject(feature);
           expect(geojsonFeature.properties).to.be(null);
diff --git a/test/spec/ol/interaction/draganddrop.test.js b/test/spec/ol/interaction/draganddrop.test.js
index 99a3665b44..ffd6d51be6 100644
--- a/test/spec/ol/interaction/draganddrop.test.js
+++ b/test/spec/ol/interaction/draganddrop.test.js
@@ -2,7 +2,7 @@ import {inherits} from '../../../../src/ol/index.js';
 import _ol_View_ from '../../../../src/ol/View.js';
 import Event from '../../../../src/ol/events/Event.js';
 import EventTarget from '../../../../src/ol/events/EventTarget.js';
-import _ol_format_GeoJSON_ from '../../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../../src/ol/format/GeoJSON.js';
 import DragAndDrop from '../../../../src/ol/interaction/DragAndDrop.js';
 import _ol_source_Vector_ from '../../../../src/ol/source/Vector.js';
 
@@ -20,7 +20,7 @@ where('FileReader').describe('ol.interaction.DragAndDrop', function() {
       }
     };
     interaction = new DragAndDrop({
-      formatConstructors: [_ol_format_GeoJSON_]
+      formatConstructors: [GeoJSON]
     });
   });
 
@@ -38,7 +38,7 @@ where('FileReader').describe('ol.interaction.DragAndDrop', function() {
     it('accepts a source option', function() {
       var source = new _ol_source_Vector_();
       var drop = new DragAndDrop({
-        formatConstructors: [_ol_format_GeoJSON_],
+        formatConstructors: [GeoJSON],
         source: source
       });
       expect(drop.source_).to.equal(source);
@@ -74,7 +74,7 @@ where('FileReader').describe('ol.interaction.DragAndDrop', function() {
     it('registers and unregisters listeners on a custom target', function() {
       var customTarget = new EventTarget();
       interaction = new DragAndDrop({
-        formatConstructors: [_ol_format_GeoJSON_],
+        formatConstructors: [GeoJSON],
         target: customTarget
       });
       interaction.setMap(map);
@@ -138,7 +138,7 @@ where('FileReader').describe('ol.interaction.DragAndDrop', function() {
     it('adds dropped features to a source', function(done) {
       var source = new _ol_source_Vector_();
       var drop = new DragAndDrop({
-        formatConstructors: [_ol_format_GeoJSON_],
+        formatConstructors: [GeoJSON],
         source: source
       });
       drop.setMap(map);
diff --git a/test/spec/ol/vectorimagetile.test.js b/test/spec/ol/vectorimagetile.test.js
index 922ea6b1d9..4e88bb3e1e 100644
--- a/test/spec/ol/vectorimagetile.test.js
+++ b/test/spec/ol/vectorimagetile.test.js
@@ -2,7 +2,7 @@ import _ol_TileState_ from '../../../src/ol/TileState.js';
 import _ol_VectorImageTile_ from '../../../src/ol/VectorImageTile.js';
 import _ol_VectorTile_ from '../../../src/ol/VectorTile.js';
 import _ol_events_ from '../../../src/ol/events.js';
-import _ol_format_GeoJSON_ from '../../../src/ol/format/GeoJSON.js';
+import GeoJSON from '../../../src/ol/format/GeoJSON.js';
 import {get as getProjection} from '../../../src/ol/proj.js';
 import _ol_tilegrid_ from '../../../src/ol/tilegrid.js';
 import _ol_tilegrid_TileGrid_ from '../../../src/ol/tilegrid/TileGrid.js';
@@ -11,7 +11,7 @@ import _ol_tilegrid_TileGrid_ from '../../../src/ol/tilegrid/TileGrid.js';
 describe('ol.VectorImageTile', function() {
 
   it('configures loader that sets features on the source tile', function(done) {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/point.json';
     var tile = new _ol_VectorImageTile_([0, 0, -1], 0, url, format,
         _ol_VectorImageTile_.defaultLoadFunction, [0, 0, -1], function() {
@@ -31,7 +31,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('sets LOADED state when previously failed source tiles are loaded', function(done) {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/unavailable.json';
     var sourceTile;
     var tile = new _ol_VectorImageTile_([0, 0, 0] /* one world away */, 0, url, format,
@@ -59,7 +59,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('sets ERROR state when source tiles fail to load', function(done) {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/unavailable.json';
     var tile = new _ol_VectorImageTile_([0, 0, -1], 0, url, format,
         _ol_VectorImageTile_.defaultLoadFunction, [0, 0, -1], function() {
@@ -76,7 +76,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('sets EMPTY state when tile has only empty source tiles', function(done) {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = '';
     var tile = new _ol_VectorImageTile_([0, 0, -1], 0, url, format,
         _ol_VectorImageTile_.defaultLoadFunction, [0, 0, -1], function() {},
@@ -92,7 +92,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('only loads tiles within the source tileGrid\'s extent', function() {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/point.json';
     var tileGrid = new _ol_tilegrid_TileGrid_({
       resolutions: [0.02197265625, 0.010986328125, 0.0054931640625],
@@ -112,7 +112,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('#dispose() while loading', function() {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/point.json';
     var tile = new _ol_VectorImageTile_([0, 0, 0] /* one world away */, 0, url, format,
         _ol_VectorImageTile_.defaultLoadFunction, [0, 0, -1], function() {
@@ -132,7 +132,7 @@ describe('ol.VectorImageTile', function() {
   });
 
   it('#dispose() when loaded', function(done) {
-    var format = new _ol_format_GeoJSON_();
+    var format = new GeoJSON();
     var url = 'spec/ol/data/point.json';
     var tile = new _ol_VectorImageTile_([0, 0, -1], 0, url, format,
         _ol_VectorImageTile_.defaultLoadFunction, [0, 0, -1], function() {