diff --git a/src/ol/style/Icon.js b/src/ol/style/Icon.js
index cc5cdfcd18..244bbf2525 100644
--- a/src/ol/style/Icon.js
+++ b/src/ol/style/Icon.js
@@ -341,13 +341,6 @@ class Icon extends ImageStyle {
     return this.iconImage_.getSize();
   }
 
-  /**
-   * @return {import("../size.js").Size} Size of the hit-detection image.
-   */
-  getHitDetectionImageSize() {
-    return this.getImageSize();
-  }
-
   /**
    * @return {import("../ImageState.js").default} Image state.
    */
diff --git a/src/ol/style/Image.js b/src/ol/style/Image.js
index f481c888ac..8914886975 100644
--- a/src/ol/style/Image.js
+++ b/src/ol/style/Image.js
@@ -185,14 +185,6 @@ class ImageStyle {
     return abstract();
   }
 
-  /**
-   * @abstract
-   * @return {import("../size.js").Size} Size of the hit-detection image.
-   */
-  getHitDetectionImageSize() {
-    return abstract();
-  }
-
   /**
    * Get the origin of the symbolizer.
    * @abstract
diff --git a/src/ol/style/RegularShape.js b/src/ol/style/RegularShape.js
index 2fc4580a5f..608fe057fa 100644
--- a/src/ol/style/RegularShape.js
+++ b/src/ol/style/RegularShape.js
@@ -140,18 +140,6 @@ class RegularShape extends ImageStyle {
      */
     this.size_ = null;
 
-    /**
-     * @private
-     * @type {import("../size.js").Size}
-     */
-    this.imageSize_ = null;
-
-    /**
-     * @private
-     * @type {import("../size.js").Size}
-     */
-    this.hitDetectionImageSize_ = null;
-
     /**
      * @private
      * @type {RenderOptions}
@@ -257,14 +245,7 @@ class RegularShape extends ImageStyle {
    * @return {import("../size.js").Size} Image size.
    */
   getImageSize() {
-    return this.imageSize_;
-  }
-
-  /**
-   * @return {import("../size.js").Size} Size of the hit-detection image.
-   */
-  getHitDetectionImageSize() {
-    return this.hitDetectionImageSize_;
+    return this.size_;
   }
 
   /**
@@ -498,8 +479,6 @@ class RegularShape extends ImageStyle {
     this.canvas_ = {};
     this.anchor_ = [size / 2 - displacement[0], size / 2 + displacement[1]];
     this.size_ = [size, size];
-    this.imageSize_ = [size, size];
-    this.hitDetectionImageSize_ = [size, size];
   }
 
   /**
diff --git a/test/browser/spec/ol/style/circle.test.js b/test/browser/spec/ol/style/circle.test.js
index a654f6a3a0..744a0db033 100644
--- a/test/browser/spec/ol/style/circle.test.js
+++ b/test/browser/spec/ol/style/circle.test.js
@@ -14,7 +14,6 @@ describe('ol.style.Circle', function () {
       // no hit-detection image is created, because no fill style is set
       expect(style.getImage(1)).to.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
     });
 
     it('creates a canvas (transparent fill-style)', function () {
@@ -32,7 +31,6 @@ describe('ol.style.Circle', function () {
       // hit-detection image is created, because transparent fill style is set
       expect(style.getImage(1)).to.not.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
     });
 
     it('creates a canvas (non-transparent fill-style)', function () {
@@ -50,7 +48,6 @@ describe('ol.style.Circle', function () {
       // no hit-detection image is created, because non-transparent fill style is set
       expect(style.getImage(1)).to.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
     });
   });
 
diff --git a/test/browser/spec/ol/style/regularshape.test.js b/test/browser/spec/ol/style/regularshape.test.js
index 6793ba31cc..af92e7c5b4 100644
--- a/test/browser/spec/ol/style/regularshape.test.js
+++ b/test/browser/spec/ol/style/regularshape.test.js
@@ -40,7 +40,6 @@ describe('ol.style.RegularShape', function () {
       // no hit-detection image is created, because no fill style is set
       expect(style.getImage(1)).to.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
     });
 
     it('creates a canvas (transparent fill-style)', function () {
@@ -61,7 +60,6 @@ describe('ol.style.RegularShape', function () {
       // hit-detection image is created, because transparent fill style is set
       expect(style.getImage(1)).to.not.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
       expect(style.getHitDetectionImage().width).to.be(20);
     });
 
@@ -80,7 +78,6 @@ describe('ol.style.RegularShape', function () {
       // no hit-detection image is created, because non-transparent fill style is set
       expect(style.getImage(1)).to.be(style.getHitDetectionImage());
       expect(style.getHitDetectionImage()).to.be.an(HTMLCanvasElement);
-      expect(style.getHitDetectionImageSize()).to.eql([20, 20]);
     });
 
     it('sets default displacement [0, 0]', function () {