diff --git a/src/ol/render/webgl/BatchRenderer.js b/src/ol/render/webgl/BatchRenderer.js
index c41d030cd0..29c4f4e9d4 100644
--- a/src/ol/render/webgl/BatchRenderer.js
+++ b/src/ol/render/webgl/BatchRenderer.js
@@ -81,7 +81,7 @@ class AbstractBatchRenderer {
       frameState,
       createTransform()
     );
-    this.generateRenderInstructions_(batch);
+    this.generateRenderInstructions(batch);
     this.generateBuffers_(batch, geometryType, callback);
   }
 
@@ -115,7 +115,7 @@ class AbstractBatchRenderer {
    * @param {import("./MixedGeometryBatch.js").GeometryBatch} batch Geometry batch
    * @protected
    */
-  generateRenderInstructions_(batch) {
+  generateRenderInstructions(batch) {
     abstract();
   }
 
@@ -125,7 +125,7 @@ class AbstractBatchRenderer {
    * @param {import("./MixedGeometryBatch.js").GeometryBatch} batch Geometry batch
    * @param {import("../../geom/GeometryType.js").default} geometryType Geometry type
    * @param {function(): void} callback Function called once the render buffers are updated
-   * @protected
+   * @private
    */
   generateBuffers_(batch, geometryType, callback) {
     const messageId = workerMessageCounter++;
@@ -153,8 +153,6 @@ class AbstractBatchRenderer {
       renderInstructionsTransform: batch.renderInstructionsTransform,
       customAttributesCount: this.customAttributes_.length,
     };
-    // additional properties will be sent back as-is by the worker
-    message['projectionTransform'] = batch.renderInstructionsTransform;
     this.worker_.postMessage(message, [batch.renderInstructions.buffer]);
 
     // leave ownership of render instructions
@@ -177,7 +175,7 @@ class AbstractBatchRenderer {
         this.worker_.removeEventListener('message', handleMessage);
 
         // store transform & invert transform for webgl buffers
-        batch.verticesBufferTransform = received.projectionTransform;
+        batch.verticesBufferTransform = received.renderInstructionsTransform;
         makeInverseTransform(
           batch.invertVerticesBufferTransform,
           batch.verticesBufferTransform
diff --git a/src/ol/render/webgl/LineStringBatchRenderer.js b/src/ol/render/webgl/LineStringBatchRenderer.js
index 3c5e1509d6..08fc5a1775 100644
--- a/src/ol/render/webgl/LineStringBatchRenderer.js
+++ b/src/ol/render/webgl/LineStringBatchRenderer.js
@@ -50,7 +50,7 @@ class LineStringBatchRenderer extends AbstractBatchRenderer {
    * @param {import("./MixedGeometryBatch.js").LineStringGeometryBatch} batch Linestring geometry batch
    * @override
    */
-  generateRenderInstructions_(batch) {
+  generateRenderInstructions(batch) {
     // here we anticipate the amount of render instructions for lines:
     // 2 instructions per vertex for position (x and y)
     // + 1 instruction per line per custom attributes
diff --git a/src/ol/render/webgl/PointBatchRenderer.js b/src/ol/render/webgl/PointBatchRenderer.js
index 09ca001250..b2fef90696 100644
--- a/src/ol/render/webgl/PointBatchRenderer.js
+++ b/src/ol/render/webgl/PointBatchRenderer.js
@@ -46,7 +46,7 @@ class PointBatchRenderer extends AbstractBatchRenderer {
    * @param {import("./MixedGeometryBatch.js").PointGeometryBatch} batch Point geometry batch
    * @override
    */
-  generateRenderInstructions_(batch) {
+  generateRenderInstructions(batch) {
     // here we anticipate the amount of render instructions for points:
     // 2 instructions per vertex for position (x and y)
     // + 1 instruction per vertex per custom attributes
diff --git a/src/ol/render/webgl/PolygonBatchRenderer.js b/src/ol/render/webgl/PolygonBatchRenderer.js
index 897b94ece3..d295d9139a 100644
--- a/src/ol/render/webgl/PolygonBatchRenderer.js
+++ b/src/ol/render/webgl/PolygonBatchRenderer.js
@@ -40,7 +40,7 @@ class PolygonBatchRenderer extends AbstractBatchRenderer {
    * @param {import("./MixedGeometryBatch.js").PolygonGeometryBatch} batch Polygon geometry batch
    * @override
    */
-  generateRenderInstructions_(batch) {
+  generateRenderInstructions(batch) {
     // here we anticipate the amount of render instructions for polygons:
     // 2 instructions per vertex for position (x and y)
     // + 1 instruction per polygon per custom attributes