diff --git a/src/ol/render/webgl/Immediate.js b/src/ol/render/webgl/Immediate.js
index c984b0536c..6e13f075ec 100644
--- a/src/ol/render/webgl/Immediate.js
+++ b/src/ol/render/webgl/Immediate.js
@@ -6,7 +6,7 @@ import {intersects} from '../../extent.js';
 import GeometryType from '../../geom/GeometryType.js';
 import ReplayType from '../ReplayType.js';
 import VectorContext from '../VectorContext.js';
-import _ol_render_webgl_ReplayGroup_ from '../webgl/ReplayGroup.js';
+import WebGLReplayGroup from '../webgl/ReplayGroup.js';
 
 /**
  * @constructor
@@ -198,7 +198,7 @@ _ol_render_webgl_Immediate_.prototype.drawGeometryCollection = function(geometry
  */
 _ol_render_webgl_Immediate_.prototype.drawPoint = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.ImageReplay} */ (
     replayGroup.getReplay(0, ReplayType.IMAGE));
   replay.setImageStyle(this.imageStyle_);
@@ -225,7 +225,7 @@ _ol_render_webgl_Immediate_.prototype.drawPoint = function(geometry, data) {
  */
 _ol_render_webgl_Immediate_.prototype.drawMultiPoint = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.ImageReplay} */ (
     replayGroup.getReplay(0, ReplayType.IMAGE));
   replay.setImageStyle(this.imageStyle_);
@@ -251,7 +251,7 @@ _ol_render_webgl_Immediate_.prototype.drawMultiPoint = function(geometry, data)
  */
 _ol_render_webgl_Immediate_.prototype.drawLineString = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.LineStringReplay} */ (
     replayGroup.getReplay(0, ReplayType.LINE_STRING));
   replay.setFillStrokeStyle(null, this.strokeStyle_);
@@ -277,7 +277,7 @@ _ol_render_webgl_Immediate_.prototype.drawLineString = function(geometry, data)
  */
 _ol_render_webgl_Immediate_.prototype.drawMultiLineString = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.LineStringReplay} */ (
     replayGroup.getReplay(0, ReplayType.LINE_STRING));
   replay.setFillStrokeStyle(null, this.strokeStyle_);
@@ -303,7 +303,7 @@ _ol_render_webgl_Immediate_.prototype.drawMultiLineString = function(geometry, d
  */
 _ol_render_webgl_Immediate_.prototype.drawPolygon = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.PolygonReplay} */ (
     replayGroup.getReplay(0, ReplayType.POLYGON));
   replay.setFillStrokeStyle(this.fillStyle_, this.strokeStyle_);
@@ -329,7 +329,7 @@ _ol_render_webgl_Immediate_.prototype.drawPolygon = function(geometry, data) {
  */
 _ol_render_webgl_Immediate_.prototype.drawMultiPolygon = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.PolygonReplay} */ (
     replayGroup.getReplay(0, ReplayType.POLYGON));
   replay.setFillStrokeStyle(this.fillStyle_, this.strokeStyle_);
@@ -355,7 +355,7 @@ _ol_render_webgl_Immediate_.prototype.drawMultiPolygon = function(geometry, data
  */
 _ol_render_webgl_Immediate_.prototype.drawCircle = function(geometry, data) {
   const context = this.context_;
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(1, this.extent_);
+  const replayGroup = new WebGLReplayGroup(1, this.extent_);
   const replay = /** @type {ol.render.webgl.CircleReplay} */ (
     replayGroup.getReplay(0, ReplayType.CIRCLE));
   replay.setFillStrokeStyle(this.fillStyle_, this.strokeStyle_);
diff --git a/src/ol/render/webgl/ReplayGroup.js b/src/ol/render/webgl/ReplayGroup.js
index ad6f35d5e2..c4d25830c1 100644
--- a/src/ol/render/webgl/ReplayGroup.js
+++ b/src/ol/render/webgl/ReplayGroup.js
@@ -21,7 +21,7 @@ import _ol_render_webgl_TextReplay_ from '../webgl/TextReplay.js';
  * @param {number=} opt_renderBuffer Render buffer.
  * @struct
  */
-const _ol_render_webgl_ReplayGroup_ = function(tolerance, maxExtent, opt_renderBuffer) {
+const WebGLReplayGroup = function(tolerance, maxExtent, opt_renderBuffer) {
   ReplayGroup.call(this);
 
   /**
@@ -51,21 +51,21 @@ const _ol_render_webgl_ReplayGroup_ = function(tolerance, maxExtent, opt_renderB
 
 };
 
-inherits(_ol_render_webgl_ReplayGroup_, ReplayGroup);
+inherits(WebGLReplayGroup, ReplayGroup);
 
 
 /**
  * @param {ol.style.Style} style Style.
  * @param {boolean} group Group with previous replay.
  */
-_ol_render_webgl_ReplayGroup_.prototype.addDeclutter = function(style, group) {};
+WebGLReplayGroup.prototype.addDeclutter = function(style, group) {};
 
 
 /**
  * @param {ol.webgl.Context} context WebGL context.
  * @return {function()} Delete resources function.
  */
-_ol_render_webgl_ReplayGroup_.prototype.getDeleteResourcesFunction = function(context) {
+WebGLReplayGroup.prototype.getDeleteResourcesFunction = function(context) {
   const functions = [];
   let zKey;
   for (zKey in this.replaysByZIndex_) {
@@ -89,7 +89,7 @@ _ol_render_webgl_ReplayGroup_.prototype.getDeleteResourcesFunction = function(co
 /**
  * @param {ol.webgl.Context} context Context.
  */
-_ol_render_webgl_ReplayGroup_.prototype.finish = function(context) {
+WebGLReplayGroup.prototype.finish = function(context) {
   let zKey;
   for (zKey in this.replaysByZIndex_) {
     const replays = this.replaysByZIndex_[zKey];
@@ -103,7 +103,7 @@ _ol_render_webgl_ReplayGroup_.prototype.finish = function(context) {
 /**
  * @inheritDoc
  */
-_ol_render_webgl_ReplayGroup_.prototype.getReplay = function(zIndex, replayType) {
+WebGLReplayGroup.prototype.getReplay = function(zIndex, replayType) {
   const zIndexKey = zIndex !== undefined ? zIndex.toString() : '0';
   let replays = this.replaysByZIndex_[zIndexKey];
   if (replays === undefined) {
@@ -115,7 +115,7 @@ _ol_render_webgl_ReplayGroup_.prototype.getReplay = function(zIndex, replayType)
     /**
      * @type {Function}
      */
-    const Constructor = _ol_render_webgl_ReplayGroup_.BATCH_CONSTRUCTORS_[replayType];
+    const Constructor = WebGLReplayGroup.BATCH_CONSTRUCTORS_[replayType];
     replay = new Constructor(this.tolerance_, this.maxExtent_);
     replays[replayType] = replay;
   }
@@ -126,7 +126,7 @@ _ol_render_webgl_ReplayGroup_.prototype.getReplay = function(zIndex, replayType)
 /**
  * @inheritDoc
  */
-_ol_render_webgl_ReplayGroup_.prototype.isEmpty = function() {
+WebGLReplayGroup.prototype.isEmpty = function() {
   return _ol_obj_.isEmpty(this.replaysByZIndex_);
 };
 
@@ -142,7 +142,7 @@ _ol_render_webgl_ReplayGroup_.prototype.isEmpty = function() {
  * @param {Object.<string, boolean>} skippedFeaturesHash Ids of features
  *  to skip.
  */
-_ol_render_webgl_ReplayGroup_.prototype.replay = function(context,
+WebGLReplayGroup.prototype.replay = function(context,
   center, resolution, rotation, size, pixelRatio,
   opacity, skippedFeaturesHash) {
   /** @type {Array.<number>} */
@@ -183,7 +183,7 @@ _ol_render_webgl_ReplayGroup_.prototype.replay = function(context,
  * @return {T|undefined} Callback result.
  * @template T
  */
-_ol_render_webgl_ReplayGroup_.prototype.replayHitDetection_ = function(context,
+WebGLReplayGroup.prototype.replayHitDetection_ = function(context,
   center, resolution, rotation, size, pixelRatio, opacity,
   skippedFeaturesHash, featureCallback, oneByOne, opt_hitExtent) {
   /** @type {Array.<number>} */
@@ -226,7 +226,7 @@ _ol_render_webgl_ReplayGroup_.prototype.replayHitDetection_ = function(context,
  * @return {T|undefined} Callback result.
  * @template T
  */
-_ol_render_webgl_ReplayGroup_.prototype.forEachFeatureAtCoordinate = function(
+WebGLReplayGroup.prototype.forEachFeatureAtCoordinate = function(
   coordinate, context, center, resolution, rotation, size, pixelRatio,
   opacity, skippedFeaturesHash,
   callback) {
@@ -246,7 +246,7 @@ _ol_render_webgl_ReplayGroup_.prototype.forEachFeatureAtCoordinate = function(
   }
 
   return this.replayHitDetection_(context,
-    coordinate, resolution, rotation, _ol_render_webgl_ReplayGroup_.HIT_DETECTION_SIZE_,
+    coordinate, resolution, rotation, WebGLReplayGroup.HIT_DETECTION_SIZE_,
     pixelRatio, opacity, skippedFeaturesHash,
     /**
        * @param {ol.Feature|ol.render.Feature} feature Feature.
@@ -279,7 +279,7 @@ _ol_render_webgl_ReplayGroup_.prototype.forEachFeatureAtCoordinate = function(
  *  to skip.
  * @return {boolean} Is there a feature at the given coordinate?
  */
-_ol_render_webgl_ReplayGroup_.prototype.hasFeatureAtCoordinate = function(
+WebGLReplayGroup.prototype.hasFeatureAtCoordinate = function(
   coordinate, context, center, resolution, rotation, size, pixelRatio,
   opacity, skippedFeaturesHash) {
   const gl = context.getGL();
@@ -287,7 +287,7 @@ _ol_render_webgl_ReplayGroup_.prototype.hasFeatureAtCoordinate = function(
     gl.FRAMEBUFFER, context.getHitDetectionFramebuffer());
 
   const hasFeature = this.replayHitDetection_(context,
-    coordinate, resolution, rotation, _ol_render_webgl_ReplayGroup_.HIT_DETECTION_SIZE_,
+    coordinate, resolution, rotation, WebGLReplayGroup.HIT_DETECTION_SIZE_,
     pixelRatio, opacity, skippedFeaturesHash,
     /**
        * @param {ol.Feature|ol.render.Feature} feature Feature.
@@ -307,7 +307,7 @@ _ol_render_webgl_ReplayGroup_.prototype.hasFeatureAtCoordinate = function(
  * @private
  * @type {Array.<number>}
  */
-_ol_render_webgl_ReplayGroup_.HIT_DETECTION_SIZE_ = [1, 1];
+WebGLReplayGroup.HIT_DETECTION_SIZE_ = [1, 1];
 
 /**
  * @const
@@ -316,11 +316,11 @@ _ol_render_webgl_ReplayGroup_.HIT_DETECTION_SIZE_ = [1, 1];
  *                function(new: ol.render.webgl.Replay, number,
  *                ol.Extent)>}
  */
-_ol_render_webgl_ReplayGroup_.BATCH_CONSTRUCTORS_ = {
+WebGLReplayGroup.BATCH_CONSTRUCTORS_ = {
   'Circle': _ol_render_webgl_CircleReplay_,
   'Image': _ol_render_webgl_ImageReplay_,
   'LineString': _ol_render_webgl_LineStringReplay_,
   'Polygon': _ol_render_webgl_PolygonReplay_,
   'Text': _ol_render_webgl_TextReplay_
 };
-export default _ol_render_webgl_ReplayGroup_;
+export default WebGLReplayGroup;
diff --git a/src/ol/renderer/webgl/VectorLayer.js b/src/ol/renderer/webgl/VectorLayer.js
index 9ebc78a646..c2e9d4df35 100644
--- a/src/ol/renderer/webgl/VectorLayer.js
+++ b/src/ol/renderer/webgl/VectorLayer.js
@@ -5,7 +5,7 @@ import {getUid, inherits} from '../../index.js';
 import LayerType from '../../LayerType.js';
 import ViewHint from '../../ViewHint.js';
 import {buffer, containsExtent, createEmpty} from '../../extent.js';
-import _ol_render_webgl_ReplayGroup_ from '../../render/webgl/ReplayGroup.js';
+import WebGLReplayGroup from '../../render/webgl/ReplayGroup.js';
 import RendererType from '../Type.js';
 import _ol_renderer_vector_ from '../vector.js';
 import WebGLLayerRenderer from '../webgl/Layer.js';
@@ -256,7 +256,7 @@ WebGLVectorLayerRenderer.prototype.prepareFrame = function(frameState, layerStat
 
   this.dirty_ = false;
 
-  const replayGroup = new _ol_render_webgl_ReplayGroup_(
+  const replayGroup = new WebGLReplayGroup(
     _ol_renderer_vector_.getTolerance(resolution, pixelRatio),
     extent, vectorLayer.getRenderBuffer());
   vectorSource.loadFeatures(extent, resolution, projection);