diff --git a/src/ol/format/KML.js b/src/ol/format/KML.js
index 63edc8988d..8f0de59ae7 100644
--- a/src/ol/format/KML.js
+++ b/src/ol/format/KML.js
@@ -5,7 +5,6 @@ import Feature from '../Feature.js';
 import Fill from '../style/Fill.js';
 import GeometryCollection from '../geom/GeometryCollection.js';
 import Icon from '../style/Icon.js';
-import IconOrigin from '../style/IconOrigin.js';
 import ImageState from '../ImageState.js';
 import LineString from '../geom/LineString.js';
 import MultiLineString from '../geom/MultiLineString.js';
@@ -58,7 +57,7 @@ import {transformGeometryWithOptions} from './Feature.js';
  * @property {import("../style/Icon.js").IconAnchorUnits} xunits Units of x.
  * @property {number} y Y coordinate.
  * @property {import("../style/Icon.js").IconAnchorUnits} yunits Units of Y.
- * @property {import("../style/IconOrigin.js").default} [origin] Origin.
+ * @property {import("../style/Icon.js").IconOrigin} [origin] Origin.
  */
 
 /**
@@ -333,7 +332,7 @@ function createStyleDefaults() {
 
   DEFAULT_IMAGE_STYLE = new Icon({
     anchor: DEFAULT_IMAGE_STYLE_ANCHOR,
-    anchorOrigin: IconOrigin.BOTTOM_LEFT,
+    anchorOrigin: 'bottom-left',
     anchorXUnits: DEFAULT_IMAGE_STYLE_ANCHOR_X_UNITS,
     anchorYUnits: DEFAULT_IMAGE_STYLE_ANCHOR_Y_UNITS,
     crossOrigin: 'anonymous',
@@ -1173,18 +1172,19 @@ function readStyleURL(node) {
 function readVec2(node) {
   const xunits = node.getAttribute('xunits');
   const yunits = node.getAttribute('yunits');
+  /** @type {import('../style/Icon.js').IconOrigin} */
   let origin;
   if (xunits !== 'insetPixels') {
     if (yunits !== 'insetPixels') {
-      origin = IconOrigin.BOTTOM_LEFT;
+      origin = 'bottom-left';
     } else {
-      origin = IconOrigin.TOP_LEFT;
+      origin = 'top-left';
     }
   } else {
     if (yunits !== 'insetPixels') {
-      origin = IconOrigin.BOTTOM_RIGHT;
+      origin = 'bottom-right';
     } else {
-      origin = IconOrigin.TOP_RIGHT;
+      origin = 'top-right';
     }
   }
   return {
@@ -1265,7 +1265,8 @@ function iconStyleParser(node, objectStack) {
     src = DEFAULT_IMAGE_STYLE_SRC;
   }
   let anchor, anchorXUnits, anchorYUnits;
-  let anchorOrigin = IconOrigin.BOTTOM_LEFT;
+  /** @type {import('../style/Icon.js').IconOrigin|undefined} */
+  let anchorOrigin = 'bottom-left';
   const hotSpot = /** @type {Vec2|undefined} */ (object['hotSpot']);
   if (hotSpot) {
     anchor = [hotSpot.x, hotSpot.y];
@@ -1325,7 +1326,7 @@ function iconStyleParser(node, objectStack) {
       anchorYUnits: anchorYUnits,
       crossOrigin: this.crossOrigin_,
       offset: offset,
-      offsetOrigin: IconOrigin.BOTTOM_LEFT,
+      offsetOrigin: 'bottom-left',
       rotation: rotation,
       scale: scale,
       size: size,
diff --git a/src/ol/style/Icon.js b/src/ol/style/Icon.js
index 5a0e95cde0..414c8cd4a5 100644
--- a/src/ol/style/Icon.js
+++ b/src/ol/style/Icon.js
@@ -2,7 +2,6 @@
  * @module ol/style/Icon
  */
 import EventType from '../events/EventType.js';
-import IconOrigin from './IconOrigin.js';
 import ImageState from '../ImageState.js';
 import ImageStyle from './Image.js';
 import {asArray} from '../color.js';
@@ -15,10 +14,15 @@ import {getUid} from '../util.js';
  * Anchor unit can be either a fraction of the icon size or in pixels.
  */
 
+/**
+ * @typedef {'bottom-left' | 'bottom-right' | 'top-left' | 'top-right'} IconOrigin
+ * Icon origin. One of 'bottom-left', 'bottom-right', 'top-left', 'top-right'.
+ */
+
 /**
  * @typedef {Object} Options
  * @property {Array<number>} [anchor=[0.5, 0.5]] Anchor. Default value is the icon center.
- * @property {import("./IconOrigin.js").default} [anchorOrigin='top-left'] Origin of the anchor: `bottom-left`, `bottom-right`,
+ * @property {IconOrigin} [anchorOrigin='top-left'] Origin of the anchor: `bottom-left`, `bottom-right`,
  * `top-left` or `top-right`.
  * @property {IconAnchorUnits} [anchorXUnits='fraction'] Units in which the anchor x value is
  * specified. A value of `'fraction'` indicates the x value is a fraction of the icon. A value of `'pixels'` indicates
@@ -37,7 +41,7 @@ import {getUid} from '../util.js';
  * @property {Array<number>} [offset=[0, 0]] Offset, which, together with the size and the offset origin, define the
  * sub-rectangle to use from the original icon image.
  * @property {Array<number>} [displacement=[0,0]] Displacement of the icon.
- * @property {import("./IconOrigin.js").default} [offsetOrigin='top-left'] Origin of the offset: `bottom-left`, `bottom-right`,
+ * @property {IconOrigin} [offsetOrigin='top-left'] Origin of the offset: `bottom-left`, `bottom-right`,
  * `top-left` or `top-right`.
  * @property {number} [opacity=1] Opacity of the icon.
  * @property {number|import("../size.js").Size} [scale=1] Scale.
@@ -108,12 +112,10 @@ class Icon extends ImageStyle {
 
     /**
      * @private
-     * @type {import("./IconOrigin.js").default}
+     * @type {IconOrigin}
      */
     this.anchorOrigin_ =
-      options.anchorOrigin !== undefined
-        ? options.anchorOrigin
-        : IconOrigin.TOP_LEFT;
+      options.anchorOrigin !== undefined ? options.anchorOrigin : 'top-left';
 
     /**
      * @private
@@ -192,12 +194,10 @@ class Icon extends ImageStyle {
     this.offset_ = options.offset !== undefined ? options.offset : [0, 0];
     /**
      * @private
-     * @type {import("./IconOrigin.js").default}
+     * @type {IconOrigin}
      */
     this.offsetOrigin_ =
-      options.offsetOrigin !== undefined
-        ? options.offsetOrigin
-        : IconOrigin.TOP_LEFT;
+      options.offsetOrigin !== undefined ? options.offsetOrigin : 'top-left';
 
     /**
      * @private
@@ -270,7 +270,7 @@ class Icon extends ImageStyle {
         }
       }
 
-      if (this.anchorOrigin_ != IconOrigin.TOP_LEFT) {
+      if (this.anchorOrigin_ != 'top-left') {
         if (!size) {
           return null;
         }
@@ -278,14 +278,14 @@ class Icon extends ImageStyle {
           anchor = this.anchor_.slice();
         }
         if (
-          this.anchorOrigin_ == IconOrigin.TOP_RIGHT ||
-          this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
+          this.anchorOrigin_ == 'top-right' ||
+          this.anchorOrigin_ == 'bottom-right'
         ) {
           anchor[0] = -anchor[0] + size[0];
         }
         if (
-          this.anchorOrigin_ == IconOrigin.BOTTOM_LEFT ||
-          this.anchorOrigin_ == IconOrigin.BOTTOM_RIGHT
+          this.anchorOrigin_ == 'bottom-left' ||
+          this.anchorOrigin_ == 'bottom-right'
         ) {
           anchor[1] = -anchor[1] + size[1];
         }
@@ -369,7 +369,7 @@ class Icon extends ImageStyle {
     }
     let offset = this.offset_;
 
-    if (this.offsetOrigin_ != IconOrigin.TOP_LEFT) {
+    if (this.offsetOrigin_ != 'top-left') {
       const size = this.getSize();
       const iconImageSize = this.iconImage_.getSize();
       if (!size || !iconImageSize) {
@@ -377,14 +377,14 @@ class Icon extends ImageStyle {
       }
       offset = offset.slice();
       if (
-        this.offsetOrigin_ == IconOrigin.TOP_RIGHT ||
-        this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT
+        this.offsetOrigin_ == 'top-right' ||
+        this.offsetOrigin_ == 'bottom-right'
       ) {
         offset[0] = iconImageSize[0] - size[0] - offset[0];
       }
       if (
-        this.offsetOrigin_ == IconOrigin.BOTTOM_LEFT ||
-        this.offsetOrigin_ == IconOrigin.BOTTOM_RIGHT
+        this.offsetOrigin_ == 'bottom-left' ||
+        this.offsetOrigin_ == 'bottom-right'
       ) {
         offset[1] = iconImageSize[1] - size[1] - offset[1];
       }
diff --git a/src/ol/style/IconOrigin.js b/src/ol/style/IconOrigin.js
deleted file mode 100644
index a1bd31b1c1..0000000000
--- a/src/ol/style/IconOrigin.js
+++ /dev/null
@@ -1,30 +0,0 @@
-/**
- * @module ol/style/IconOrigin
- */
-
-/**
- * Icon origin. One of 'bottom-left', 'bottom-right', 'top-left', 'top-right'.
- * @enum {string}
- */
-export default {
-  /**
-   * Origin is at bottom left
-   * @api
-   */
-  BOTTOM_LEFT: 'bottom-left',
-  /**
-   * Origin is at bottom right
-   * @api
-   */
-  BOTTOM_RIGHT: 'bottom-right',
-  /**
-   * Origin is at top left
-   * @api
-   */
-  TOP_LEFT: 'top-left',
-  /**
-   * Origin is at top right
-   * @api
-   */
-  TOP_RIGHT: 'top-right',
-};
diff --git a/test/browser/spec/ol/format/kml.test.js b/test/browser/spec/ol/format/kml.test.js
index 672f95e7f5..79b0eddb19 100644
--- a/test/browser/spec/ol/format/kml.test.js
+++ b/test/browser/spec/ol/format/kml.test.js
@@ -4,7 +4,6 @@ import Fill from '../../../../../src/ol/style/Fill.js';
 import GeoJSON from '../../../../../src/ol/format/GeoJSON.js';
 import GeometryCollection from '../../../../../src/ol/geom/GeometryCollection.js';
 import Icon from '../../../../../src/ol/style/Icon.js';
-import IconOrigin from '../../../../../src/ol/style/IconOrigin.js';
 import ImageState from '../../../../../src/ol/ImageState.js';
 import KML, {
   getDefaultFillStyle,
@@ -2429,7 +2428,7 @@ describe('ol.format.KML', function () {
             if (f.getId() == 1) {
               expect(imageStyle.anchor_[0]).to.be(0.5);
               expect(imageStyle.anchor_[1]).to.be(0.5);
-              expect(imageStyle.anchorOrigin_).to.be(IconOrigin.BOTTOM_LEFT);
+              expect(imageStyle.anchorOrigin_).to.be('bottom-left');
               expect(imageStyle.anchorXUnits_).to.be('fraction');
               expect(imageStyle.anchorYUnits_).to.be('fraction');
             } else {
@@ -2438,16 +2437,16 @@ describe('ol.format.KML', function () {
               expect(imageStyle.anchorXUnits_).to.be('pixels');
               expect(imageStyle.anchorYUnits_).to.be('pixels');
               if (f.getId() == 2) {
-                expect(imageStyle.anchorOrigin_).to.be(IconOrigin.BOTTOM_LEFT);
+                expect(imageStyle.anchorOrigin_).to.be('bottom-left');
               }
               if (f.getId() == 3) {
-                expect(imageStyle.anchorOrigin_).to.be(IconOrigin.BOTTOM_RIGHT);
+                expect(imageStyle.anchorOrigin_).to.be('bottom-right');
               }
               if (f.getId() == 4) {
-                expect(imageStyle.anchorOrigin_).to.be(IconOrigin.TOP_LEFT);
+                expect(imageStyle.anchorOrigin_).to.be('top-left');
               }
               if (f.getId() == 5) {
-                expect(imageStyle.anchorOrigin_).to.be(IconOrigin.TOP_RIGHT);
+                expect(imageStyle.anchorOrigin_).to.be('top-right');
               }
             }
             expect(imageStyle.getRotation()).to.eql(0);